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Atkinson EA, Finn PR. Sex Differences in Trait Anxiety's Association with Alcohol Problems in Emerging Adults: The Influence of Symptoms of Depression and Borderline Personality. JOURNAL OF SUBSTANCE USE 2019; 24:323-328. [PMID: 31768128 DOI: 10.1080/14659891.2019.1572800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
OBJECTIVE The co-occurrence of alcohol use disorder (AUD) and internalizing psychopathology, such as anxiety and depression, has been well documented. However, most studies of the association between alcohol problems and anxiety, and do not simultaneously consider depression or borderline personality, which covary strongly with both anxiety symptoms and AUDs. The current study examined sex differences in the association between alcohol problems and anxiety, while accounting for depressive and borderline personality (BPD) symptoms. METHOD A sample 810 (364 females) young adults aged 18-30 recruited from the community, who varied widely in lifetime alcohol problems, were administered diagnostic interviews and measures of a trait anxiety, depression, and BPD symptoms. RESULTS Analyses revealed that trait anxiety, depression, and borderline symptoms were all significantly associated with higher lifetime alcohol problems in both males and females. However, the association between trait anxiety and alcohol problems was significantly stronger for males compared with females, even when controlling for depression and BPD symptoms. There were no significant sex differences in the association between alcohol problems and symptoms of either depression or BPD symptoms. CONCLUSION This suggests specific sex differences in the mechanisms by which trait anxiety is associated with alcohol problems.
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Affiliation(s)
- Emily A Atkinson
- Department of Psychological & Brain Sciences, Indiana University- Bloomington, Bloomington, IN 47405
| | - Peter R Finn
- Department of Psychological & Brain Sciences, Indiana University- Bloomington, Bloomington, IN 47405
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2
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Broniatowski DA, Reyna VF. A formal model of fuzzy-trace theory: Variations on framing effects and the Allais paradox. DECISION (WASHINGTON, D.C.) 2018; 5:205-252. [PMID: 30320145 PMCID: PMC6176745 DOI: 10.1037/dec0000083] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Fuzzy-trace theory assumes that decision-makers process qualitative "gist" representations and quantitative "verbatim" representations in parallel. We develop a lattice model of fuzzy-trace theory that explains both processes. Specifically, the model provides a novel formalization of how: 1) decision-makers encode multiple representations of options in parallel; 2) representations compete or combine so that choices often turn on the simplest representation of encoded gists; and 3) choices between representations are made based on positive vs. negative valences associated with social and moral principles stored in long-term memory (e.g., saving lives is good). The model integrates effects of individual differences in numeracy, metacognitive monitoring and editing, and sensation seeking. We conducted a systematic review of variations on framing effects and the Allais Paradox, both core phenomena of risky decision-making, and tested whether our model could predict observed choices: The model successfully predicted 82 out of 88 (93%) pairs of studies (comparing gain to loss conditions) demonstrating 16 variations on effects, theoretically critical manipulations that eliminate or exaggerate framing effects. When examining these conditions individually, the model successfully predicted 153 (90%) out of 170 eligible studies. Parameters of the model varied in theoretically meaningful ways with differences in numeracy, metacognitive monitoring, and sensation seeking, accounting for risk preferences at the group level. New experiments show similar results at the individual level. The model is also shown to be scientifically parsimonious using standard measures. Relations to current theories, such as Cumulative Prospect Theory, and potential extensions are discussed.
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Affiliation(s)
- David A Broniatowski
- Department of Engineering Management and Systems Engineering, School of Engineering and Applied Science, The George Washington University
| | - Valerie F Reyna
- Human Neuroscience Institute, Center for Behavioral Economics and Decision Research, and Cornell Magnetic Resonance Image Facility, Cornell University
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3
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Shen B, Qu W, Ge Y, Sun X, Zhang K. The relationship between personalities and self-report positive driving behavior in a Chinese sample. PLoS One 2018; 13:e0190746. [PMID: 29324823 PMCID: PMC5764283 DOI: 10.1371/journal.pone.0190746] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 12/11/2017] [Indexed: 02/06/2023] Open
Abstract
Driving behaviors play an important role in accident involvement. Concretely speaking, aberrant driving behaviors would cause more accidents, and oppositely positive driving behaviors would promote to build safety traffic environment. The main goals of this study were to explore the positive driving behavior and its relationship with personality in a Chinese sample. A total of 421 licensed drivers (286 male and 135 female) from Beijing, China completed the Positive Driver Behavior Scale (PDBS), the Driver Behavior Questionnaire (DBQ), the Dula Dangerous Driving Index (DDDI) and the Big Five Inventory (BFI) on a voluntary and anonymous basis. The results showed that the Chinese version of the PDBS has both reliability and validity and that the PDBS was significantly correlated with the BFI. Specifically, the PDBS was negatively correlated with neuroticism (r = -0.38) and positively correlated with extraversion, agreeableness, conscientiousness and openness to experience (the correlation coefficient ranged from 0.36 to 0.55). In contrast with previous research, age was negatively correlated with the PDBS (r = -0.38) in our sample, which may have resulted from less driving experience or a lack of available cognitive resources.
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Affiliation(s)
- Biying Shen
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Weina Qu
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, China
| | - Yan Ge
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, China
| | - Xianghong Sun
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, China
| | - Kan Zhang
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, China
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4
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Ramchandani PG, O’Farrelly C, Babalis D, Bakermans-Kranenburg MJ, Byford S, Grimas ESR, Iles JE, van IJzendoorn MH, McGinley J, Phillips CM, Stein A, Warwick J, Watt HC, Scott S. Preventing enduring behavioural problems in young children through early psychological intervention (Healthy Start, Happy Start): study protocol for a randomized controlled trial. Trials 2017; 18:543. [PMID: 29141661 PMCID: PMC5688689 DOI: 10.1186/s13063-017-2293-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 10/30/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Behavioural problems are common in early childhood, and can result in enduring costs to the individual and society, including an increased risk of mental and physical illness, criminality, educational failure and drug and alcohol misuse. Most previous research has examined the impact of interventions targeting older children when difficulties are more established and harder to change, and have rarely included fathers. We are conducting a trial of a psychological intervention delivered to families with very young children, engaging both parents where possible. METHODS This study is a two-arm, parallel group, researcher-blind, randomized controlled trial, to test the clinical effectiveness and cost-effectiveness of a parenting intervention, Video Feedback Intervention to Promote Positive Parenting and Sensitive Discipline (VIPP-SD) for parents of young children (12-36 months) at risk of behavioural difficulties. VIPP-SD is an evidence-based parenting intervention developed at Leiden University in the Netherlands which uses a video-feedback approach to support parents, particularly by enhancing parental sensitivity and sensitive discipline in caring for children. The trial will involve 300 families, who will be randomly allocated into either an intervention group, who will receive the video-feedback intervention (n = 150), or a control group, who will receive treatment as usual (n = 150). The trial will evaluate whether VIPP-SD, compared to treatment as usual, leads to lower levels of behavioural problems in young children who are at high risk of developing these difficulties. Assessments will be conducted at baseline, and 5 and 24 months post-randomization. The primary outcome measure is a modified version of the Preschool Parental Account of Child Symptoms (Pre-PACS), a structured clinical interview of behavioural symptoms. Secondary outcomes include caregiver-reported behavioural difficulties, parenting behaviours, parental sensitivity, parental mood and anxiety and parental relationship adjustment. An economic evaluation will also be carried out to assess the cost-effectiveness of the intervention compared to treatment as usual. DISCUSSION If shown to be effective, the intervention could be delivered widely to parents and caregivers of young children at risk of behavioural problems as part of community based services. TRIAL REGISTRATION ISRCTN Registry: ISRCTN58327365 . Registered 19 March 2015.
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Affiliation(s)
- Paul G. Ramchandani
- Centre for Psychiatry, Imperial College London, 7th Floor Commonwealth Building, Hammersmith Campus, Du Cane Road, London, W12 0NN UK
| | - Christine O’Farrelly
- Centre for Psychiatry, Imperial College London, 7th Floor Commonwealth Building, Hammersmith Campus, Du Cane Road, London, W12 0NN UK
| | - Daphne Babalis
- Imperial Clinical Trials Unit, Imperial College London, 59-61 North Wharf Road, London, W2 1LA UK
| | | | - Sarah Byford
- King’s Health Economics, King’s College London, Institute of Psychiatry, PO24 David Goldberg Centre, De Crespigny Park, London, SE5 8AF UK
| | - Ellen S. R. Grimas
- Centre for Psychiatry, Imperial College London, 7th Floor Commonwealth Building, Hammersmith Campus, Du Cane Road, London, W12 0NN UK
| | - Jane E. Iles
- Centre for Psychiatry, Imperial College London, 7th Floor Commonwealth Building, Hammersmith Campus, Du Cane Road, London, W12 0NN UK
| | - Marinus H. van IJzendoorn
- Centre for Child and Family Studies, Leiden University, PO Box 9555, 2300 RB Leiden, The Netherlands
| | - Julia McGinley
- Netmums, Henry Wood House, 2 Riding House Street, London, W1W 7FA UK
| | - Charlotte M. Phillips
- Centre for Psychiatry, Imperial College London, 7th Floor Commonwealth Building, Hammersmith Campus, Du Cane Road, London, W12 0NN UK
| | - Alan Stein
- Department of Psychiatry, University of Oxford, Oxford, OX3 7JX UK
| | - Jane Warwick
- Warwick Clinical Trials Unit, Division of Health Sciences, Warwick Medical School, University of Warwick, Gibbet Hill Campus, Coventry, CV4 7AL UK
| | - Hillary C. Watt
- School of Public Health, Faculty of Medicine, Imperial College London, Reynolds Building, Charing Cross Campus, St Dunstan’s Road, London, W6 8RP UK
| | - Stephen Scott
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, King’s College London, De Crespigny Park, London, SE5 8AF UK
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Samek DR, Hicks BM, Durbin E, Hinnant JB, Iacono WG, McGue M. Codevelopment Between Key Personality Traits and Alcohol Use Disorder From Adolescence Through Young Adulthood. J Pers 2017; 86:261-282. [PMID: 28258610 DOI: 10.1111/jopy.12311] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Personality traits related to negative emotionality and low constraint are strong correlates of alcohol use disorder (AUD), but few studies have evaluated the prospective interplay between these traits and AUD symptoms from adolescence to young adulthood. METHOD The Minnesota Twin Family Study (N = 2,769) was used to examine the developmental interplay between AUD symptoms and three personality measures of constraint, negative emotionality, and aggressive undercontrol from ages 17 to 29. RESULTS Results from random-intercept, cross-lagged panel models showed that low constraint and aggressive undercontrol predicted subsequent rank-order increases in AUD symptoms from ages 17 to 24. AUD symptoms did not predict rank-order change in these traits from ages 17 to 24. There was support for both cross-effects from ages 24 to 29. Biometric analysis of the twin data showed genetic influences accounted for most of the phenotypic correlations over time. CONCLUSION Results are consistent with the notion that personality traits related to low constraint and aggressive undercontrol are important vulnerability/predisposition factors for the development of early adult AUD. In later young adulthood, there is more evidence for the simultaneous codevelopment of personality and AUD. Implications are addressed with attention to personality-based risk assessments and targeted AUD prevention approaches.
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Mann FD, Engelhardt L, Briley DA, Grotzinger AD, Patterson MW, Tackett JL, Strathan DB, Heath A, Lynskey M, Slutske W, Martin NG, Tucker-Drob EM, Harden KP. Sensation seeking and impulsive traits as personality endophenotypes for antisocial behavior: Evidence from two independent samples. PERSONALITY AND INDIVIDUAL DIFFERENCES 2017; 105:30-39. [PMID: 28824215 PMCID: PMC5560504 DOI: 10.1016/j.paid.2016.09.018] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Sensation seeking and impulsivity are personality traits that are correlated with risk for antisocial behavior (ASB). This paper uses two independent samples of twins to (a) test the extent to which sensation seeking and impulsivity statistically mediate genetic influence on ASB, and (b) compare this to genetic influences accounted for by other personality traits. In Sample 1, delinquent behavior, as well as impulsivity, sensation seeking and Big Five personality traits, were measured in adolescent twins from the Texas Twin Project. In Sample 2, adult twins from the Australian Twin Registry responded to questionnaires that assessed individual differences in Eysenck's and Cloninger's personality dimensions, and a structured telephone interview that asked participants to retrospectively report DSM-defined symptoms of conduct disorder. Bivariate quantitative genetic models were used to identify genetic overlap between personality traits and ASB. Across both samples, novelty/sensation seeking and impulsive traits accounted for larger portions of genetic variance in ASB than other personality traits. We discuss whether sensation seeking and impulsive personality are causal endophenotypes for ASB, or merely index genetic liability for ASB.
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Affiliation(s)
- Frank D. Mann
- Department of Psychology, University of Texas at Austin, Austin, TX, United States
| | - Laura Engelhardt
- Department of Psychology, University of Texas at Austin, Austin, TX, United States
| | - Daniel A. Briley
- Department of Psychology, University of Illinois at Urbana-Champaign, Champaign, IL, United States
| | - Andrew D. Grotzinger
- Department of Psychology, University of Texas at Austin, Austin, TX, United States
| | - Megan W. Patterson
- Department of Psychology, University of Texas at Austin, Austin, TX, United States
| | - Jennifer L. Tackett
- Department of Psychology, Northwestern University, Evanston, IL, United States
| | - Dixie B. Strathan
- Faculty of Arts and Business, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Andrew Heath
- Psychiatry, Washington University School of Medicine, St Louis, MI, United States
| | | | - Wendy Slutske
- Department of Psychological Sciences, University of Missouri, Columbia, MO, United States
| | - Nicholas G. Martin
- Genetic Epidemiology, Molecular Epidemiology and Neurogenetics Laboratories, Queensland Institute of Medial Research, Brisbane, Queensland, Australia
| | - Elliot M. Tucker-Drob
- Department of Psychology, University of Texas at Austin, Austin, TX, United States
- Population Research Center, University of Texas at Austin, Austin, TX, United States
| | - K. Paige Harden
- Department of Psychology, University of Texas at Austin, Austin, TX, United States
- Population Research Center, University of Texas at Austin, Austin, TX, United States
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7
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Hagan MJ, Luecken LJ, Modecki KL, Sandler IN, Wolchik SA. Childhood negative emotionality predicts biobehavioral dysregulation fifteen years later. Emotion 2016; 16:877-85. [PMID: 27100364 PMCID: PMC5371433 DOI: 10.1037/emo0000161] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The temperamental trait of negative emotionality (NE) plays an important role in maladaptation among adults experiencing significant life stress. However, the prospective relation between childhood NE and subsequent interrelated behavioral, emotional, and biological dysregulation in later life has not yet been established among children who experience early adversity. Using a longitudinal sample of youth who experienced parental divorce during childhood (N = 160; 53% male; 83% White), we tested the hypothesis that childhood NE would predict physiological, emotional, and behavioral dysregulation 15 years later. NE was assessed by maternal report when youth were between 9 and 12 years old. Fifteen years later, young adults (mean age = 25.55 years) participated in a psychosocial stress task to assess cortisol reactivity and reported on internalizing symptoms and problematic alcohol use. Structural equation modeling revealed that higher childhood NE predicted significantly greater alcohol use, internalizing symptoms, and total cortisol output during a stress task 15 years later. Importantly, these findings held after adjusting for childhood internalizing symptoms. In addition, problematic alcohol use was associated with greater cortisol reactivity and internalizing symptoms. Findings suggest that childhood NE is a critical risk marker for interrelated forms of dysregulation in young adulthood among at-risk youth. (PsycINFO Database Record
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8
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Creswell KG, Bachrach RL, Wright AGC, Pinto A, Ansell E. Predicting problematic alcohol use with the DSM-5 alternative model of personality pathology. Personal Disord 2015; 7:103-11. [PMID: 26389625 DOI: 10.1037/per0000131] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
High comorbidity between personality disorders and alcohol use disorders appears related to individual differences in underlying personality dimensions of behavioral undercontrol and affective dysregulation. However, very little is known about how the Diagnostic and Statistical Manual of Mental Disorders (5th edition; DSM-5) Section III trait model of personality pathology relates to alcohol problems or how the strength of the relationship between personality pathology and alcohol problems changes with age and across gender. The current study examined these questions in a sample of 877 participants using the General Assessment of Personality Disorder to assess general personality dysfunction, the Personality Inventory for DSM-5 to measure specific traits, and the Alcohol Use Disorder Identification Test (AUDIT) to assess problematic alcohol use. Results demonstrated that general personality pathology (Criterion A) was significantly related to problematic alcohol use after controlling for age and gender effects. Furthermore, 2 of the 5 higher-order personality trait domains (Criterion B), Antagonism and Disinhibition, remained significant predictors of problematic alcohol use after accounting for the influence of general personality pathology; however, general personality pathology no longer predicted hazardous alcohol use once Antagonism and Disinhibition were added into the model. Finally, these 2 specific traits interacted with age, such that Antagonism was a stronger predictor of AUDIT scores among older individuals and Disinhibition was a stronger predictor of alcohol problems among younger individuals. Findings support the general validity of this new personality disorder diagnostic system and suggest important age effects in the relationship between traits and problematic alcohol use. (PsycINFO Database Record
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Affiliation(s)
| | | | | | - Anthony Pinto
- Division of Psychiatry Research, Zucker Hillside Hospital, North Shore-LIJ Health System
| | - Emily Ansell
- Department of Psychiatry, Yale University School of Medicine
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9
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Weir BW, Latkin CA. Alcohol, Intercourse, and Condom Use Among Women Recently Involved in the Criminal Justice System: Findings from Integrated Global-Frequency and Event-Level Methods. AIDS Behav 2015; 19:1048-60. [PMID: 25100052 DOI: 10.1007/s10461-014-0857-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The scientific literature on alcohol and sexual risk behavior is marked by multiple theoretical perspectives and inconsistent findings from global-frequency and event-level studies. Multilevel measures of alcohol use and multiple sexual risk outcomes can be used to evaluate these perspectives and resolve these inconsistencies. Among women recently involved in the criminal justice system in Portland, Oregon, daily alcohol use and sexual behavior were measured during four 30-day intervals over one year. In mixed effects models, person-level, month-level, and day-level alcohol use were significantly associated with the occurrence of intercourse but not with the use of condoms during intercourse. Findings are also reported for main, casual, and exchange partners. The relationships between alcohol use and sexual risk behavior are complex: No single theoretical perspective is sufficient to account for the study findings, and increased risk may be mediated through changes in intercourse rather than through changes in condom use.
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Affiliation(s)
- Brian W Weir
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, E7133, Baltimore, MD, 21205, USA,
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10
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Lewis GJ, Panizzon MS, Eyler L, Fennema-Notestine C, Chen CH, Neale MC, Jernigan TL, Lyons MJ, Dale AM, Kremen WS, Franz CE. Heritable influences on amygdala and orbitofrontal cortex contribute to genetic variation in core dimensions of personality. Neuroimage 2014; 103:309-315. [PMID: 25263286 DOI: 10.1016/j.neuroimage.2014.09.043] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 09/08/2014] [Accepted: 09/17/2014] [Indexed: 12/12/2022] Open
Abstract
While many studies have reported that individual differences in personality traits are genetically influenced, the neurobiological bases mediating these influences have not yet been well characterized. To advance understanding concerning the pathway from genetic variation to personality, here we examined whether measures of heritable variation in neuroanatomical size in candidate regions (amygdala and medial orbitofrontal cortex) were associated with heritable effects on personality. A sample of 486 middle-aged (mean=55 years) male twins (complete MZ pairs=120; complete DZ pairs=84) underwent structural brain scans and also completed measures of two core domains of personality: positive and negative emotionality. After adjusting for estimated intracranial volume, significant phenotypic (r(p)) and genetic (r(g)) correlations were observed between left amygdala volume and positive emotionality (r(p)=.16, p<.01; r(g)=.23, p<.05, respectively). In addition, after adjusting for mean cortical thickness, genetic and nonshared-environmental correlations (r(e)) between left medial orbitofrontal cortex thickness and negative emotionality were also observed (r(g)=.34, p<.01; r(e)=-.19, p<.05, respectively). These findings support a model positing that heritable bases of personality are, at least in part, mediated through individual differences in the size of brain structures, although further work is still required to confirm this causal interpretation.
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Affiliation(s)
- G J Lewis
- Department of Psychology, University of York, Heslington, York, YO10 5DD, UK.
| | - M S Panizzon
- Department of Psychiatry, University of California, San Diego, La Jolla, CA 92093, USA
| | - L Eyler
- Department of Psychiatry, University of California, San Diego, La Jolla, CA 92093, USA; Mental Illness Research, Education, & Clinical Center, VA San Diego Healthcare System, San Diego, CA 92093, USA
| | - C Fennema-Notestine
- Department of Psychiatry, University of California, San Diego, La Jolla, CA 92093, USA; Department of Radiology, University of California, San Diego, La Jolla, CA 92093, USA
| | - C-H Chen
- Department of Psychiatry, University of California, San Diego, La Jolla, CA 92093, USA; Department of Radiology, University of California, San Diego, La Jolla, CA 92093, USA
| | - M C Neale
- Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University School of Medicine, Richmond, VA 23219, USA
| | - T L Jernigan
- Department of Psychiatry, University of California, San Diego, La Jolla, CA 92093, USA; Department of Cognitive Science, University of California, San Diego, La Jolla, CA 92093, USA
| | - M J Lyons
- Department of Psychology, Boston University, Boston, MA 02215, USA
| | - A M Dale
- Department of Radiology, University of California, San Diego, La Jolla, CA 92093, USA; Department of Neurosciences, University of California, San Diego, La Jolla, CA, USA
| | - W S Kremen
- Department of Psychiatry, University of California, San Diego, La Jolla, CA 92093, USA; Center for Behavioral Genomics, University of California, San Diego, La Jolla, CA 92093, USA; Center of Excellence for Stress and Mental Health, VA San Diego Healthcare System, La Jolla, CA 92093, USA
| | - C E Franz
- Department of Psychiatry, University of California, San Diego, La Jolla, CA 92093, USA; Center for Behavioral Genomics, University of California, San Diego, La Jolla, CA 92093, USA
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11
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Blonigen DM, Timko C, Moos RH. Alcoholics Anonymous and reduced impulsivity: a novel mechanism of change. Subst Abus 2014; 34:4-12. [PMID: 23327499 DOI: 10.1080/08897077.2012.691448] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
ABSTRACT Reduced impulsivity is a novel, yet plausible, mechanism of change associated with the salutary effects of Alcoholics Anonymous (AA). Here, the authors review their work on links between AA attendance and reduced impulsivity using a 16-year prospective study of men and women with alcohol use disorders (AUDs) who were initially untreated for their drinking problems. Across the study period, there were significant mean-level decreases in impulsivity, and longer AA duration was associated with reductions in impulsivity. In turn, decreases in impulsivity from baseline to Year 1 were associated with fewer legal problems and better drinking and psychosocial outcomes at Year 1, and better psychosocial functioning at Year 8. Decreases in impulsivity mediated associations between longer AA duration and improvements on several Year 1 outcomes, with the indirect effects conditional on participants' age. Findings are discussed in terms of their potential implications for research on AA and, more broadly, interventions for individuals with AUDs.
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Affiliation(s)
- Daniel M Blonigen
- Center for Health Care Evaluation, Department of Veterans Affairs Health Care System, Menlo Park, CA 94025, USA.
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12
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McCart MR, Sheidow AJ, Letourneau EJ. Risk Reduction Therapy for Adolescents: Targeting Substance Use and HIV/STI-Risk Behaviors. COGNITIVE AND BEHAVIORAL PRACTICE 2014; 21:161-175. [PMID: 25419101 PMCID: PMC4235161 DOI: 10.1016/j.cbpra.2013.10.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
This paper describes a family-based intervention for addressing both substance use and unprotected sexual behavior in adolescents presenting for outpatient substance use treatment. The intervention combines contingency management (CM) for adolescent substance use, which is a behavioral intervention modeled on the Community Reinforcement Approach, with a sexual risk reduction protocol that mirrors aspects of the CM model. As a family-based intervention, caregivers attend every session and actively collaborate with the therapist to address their youth's behavior problems. The treatment is criterion-based with treatment duration determined by the youth's achievement of reduced substance use and unprotected sexual behavior goals. A case study describes the implementation of this treatment with an adolescent presenting a history of polysubstance use and unprotected sexual intercourse. Following the adolescent and caregiver's participation in weekly sessions, the adolescent demonstrated improvements in substance use, unprotected sexual behavior, and other behavior problems. Clinical summary data from two outpatient clinics reveal similar positive outcomes for youth receiving the intervention. This paper illustrates the potential utility of an integrated treatment approach targeting substance use and unprotected sexual behavior in an adolescent population.
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The role of constraint in the development of nicotine, marijuana, and alcohol dependence in young adulthood. Behav Genet 2013; 44:14-24. [PMID: 24343204 DOI: 10.1007/s10519-013-9629-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Accepted: 11/14/2013] [Indexed: 10/25/2022]
Abstract
The personality-related construct of behavioral disinhibition is hypothesized to confer a generalized risk for alcohol and drug dependence. On average, rates of substance use and scores on measures of disinhibition peak in adolescence and decline as people mature into adulthood. The present study investigated this developmental change by evaluating the relationship between disinhibition and substance use disorders using a longitudinal study of 2,608 twins assessed at ages 17, 24, and 29. These ages include the period of highest risk for substance use disorders (ages 17-24) as well as when substance dependence symptoms typically decline (ages 24-29). Disinhibition was measured with the Multidimensional Personality Questionnaire higher-order scale of Constraint, as well as its constituent facet scales of Harm Avoidance, Control, and Traditionalism. Constraint's relationship with substance dependence was statistically significant but small and largely genetic, with the genetic relationship declining from adolescence into adulthood. However, this result appeared to be almost entirely driven by Traditionalism, a propensity to hold traditional moral and social values, and not an obvious component of behavioral disinhibition. The results suggest that personality measures of Control and Harm Avoidance play only a small role in the development of substance dependence during late adolescence, and previous findings linking personality measures of disinhibition and substance use may be driven significantly by social and moral values than deficits in impulse control.
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14
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Testing the Conjoint Influence of Impulsivity and Drinking Restraint on Alcohol Use Consequences in College Student Drinkers. ADDICTIVE DISORDERS & THEIR TREATMENT 2013; 12:148-157. [PMID: 24078794 DOI: 10.1097/adt.0b013e31826ac3f4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Impulsivity and drinking restraint play a role in excessive drinking patterns and related negative consequences. Two domains of drinking restraint include preoccupation with thoughts of drinking (CEP) and attempts to control drinking (CBC), which differentially predict varying alcohol use outcomes in clinical and non-clinical samples. However, findings do not replicate across clinical, dependent samples and risky drinking young adults. This study examined the moderating role of dispositional impulsivity on the association between drinking restraint and alcohol consequences among college students to help clarify inconsistencies in the literature. METHODS Data were collected from a sample of college student drinkers (N = 393) on drinking behavior in the past 90 days, alcohol-related problems, dispositional impulsivity, and drinking restraint. RESULTS The association between CBC and alcohol consequences was significantly stronger for those higher than lower in dispositional impulsivity, after controlling for the effects of alcohol consumption. No such relationship was found for those high in trait temptation. CONCLUSIONS Alcohol consequences are greater among those who attempt to control their drinking and who act rashly and without consideration of future consequences; those who are high on trait temptation show no such relationship.
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Perry BL, Pescosolido BA, Bucholz K, Edenberg H, Kramer J, Kuperman S, Schuckit MA, Nurnberger JI. Gender-specific gene-environment interaction in alcohol dependence: the impact of daily life events and GABRA2. Behav Genet 2013; 43:402-14. [PMID: 23974430 PMCID: PMC4441044 DOI: 10.1007/s10519-013-9607-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 08/03/2013] [Indexed: 11/26/2022]
Abstract
Gender-moderated gene-environment interactions are rarely explored, raising concerns about inaccurate specification of etiological models and inferential errors. The current study examined the influence of gender, negative and positive daily life events, and GABRA2 genotype (SNP rs279871) on alcohol dependence, testing two- and three-way interactions between these variables using multi-level regression models fit to data from 2,281 White participants in the Collaborative Study on the Genetics of Alcoholism. Significant direct effects of variables of interest were identified, as well as gender-specific moderation of genetic risk on this SNP by social experiences. Higher levels of positive life events were protective for men with the high-risk genotype, but not among men with the low-risk genotype or women, regardless of genotype. Our findings support the disinhibition theory of alcohol dependence, suggesting that gender differences in social norms, constraints and opportunities, and behavioral undercontrol may explain men and women's distinct patterns of association.
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Affiliation(s)
- Brea L Perry
- Department of Sociology, University of Kentucky, 1515 Patterson Office Tower, Lexington, KY 40506-0027, USA.
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16
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Haber JR, Grant JD, Sartor CE, Koenig LB, Heath A, Jacob T. Religion/spirituality, risk, and the development of alcohol dependence in female twins. PSYCHOLOGY OF ADDICTIVE BEHAVIORS 2013; 27:562-72. [PMID: 23528196 PMCID: PMC3784623 DOI: 10.1037/a0031915] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The contention that Religion/Spirituality (R/S) influences the development of alcohol dependence (AD) is increasingly supported, but risk factors have not been adequately examined together with protective R/S factors so as to determine the nature and relative strength of these domains at different stages in the development of alcoholism. Secondary data analysis of a sample of 4,002 young adult female twins used conditional Cox proportional hazards survival models to examine three distinct stages in the development of alcoholism: years to initiation of drinking, years from first drink to at-risk drinking, and years from at-risk drinking to AD. Risk and protective factors from models of alcoholism etiology and studies of R/S dimensionality were modeled simultaneously as predictors of each discrete stage and compared. Findings demonstrated that both risk factors and R/S variables influenced initiation of alcohol use; only R/S variables influenced subsequent progression to at-risk drinking; and risk factors primarily influenced further progression to AD. Protective factors (R/S variables being an exemplar) appeared to be critical determinants of intermediate-stage progression, thus suggesting that R/S factors and other psychosocial interventions might be particularly effective in delaying progression toward AD at this stage. In contrast, after the onset of at-risk drinking, the influence of (genetically based) risk factors appeared to accelerate AD regardless of most other influences. Thus, the timing of psychosocial interventions appears critical to their potency and impact.
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Morales JA, Cardoso DG, Della Lucia TMC, Guedes RNC. Weevil x Insecticide: Does 'Personality' Matter? PLoS One 2013; 8:e67283. [PMID: 23840652 PMCID: PMC3694026 DOI: 10.1371/journal.pone.0067283] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Accepted: 05/14/2013] [Indexed: 12/03/2022] Open
Abstract
An insect’s behavior is the expression of its integrated physiology in response to external and internal stimuli, turning insect behavior into a potential determinant of insecticide exposure. Behavioral traits may therefore influence insecticide efficacy against insects, compromising the validity of standard bioassays of insecticide activity, which are fundamentally based on lethality alone. By extension, insect ‘personality’ (i.e., an individual’s integrated set of behavioral tendencies that is inferred from multiple empirical measures) may also be an important determinant of insecticide exposure and activity. This has yet to be considered because the behavioral studies involving insects and insecticides focus on populations rather than on individuals. Even among studies of animal ‘personality’, the relative contributions of individual and population variation are usually neglected. Here, we assessed behavioral traits (within the categories: activity, boldness/shyness, and exploration/avoidance) of individuals from 15 populations of the maize weevil (Sitophilus zeamais), an important stored-grain pest with serious problems of insecticide resistance, and correlated the behavioral responses with the activity of the insecticide deltamethrin. This analysis was performed at both the population and individual levels. There was significant variation in weevil ‘personality’ among individuals and populations, but variation among individuals within populations accounted for most of the observed variation (92.57%). This result emphasizes the importance of individual variation in behavioral and ‘personality’ studies. When the behavioral traits assessed were correlated with median lethal time (LT50) at the population level and with the survival time under insecticide exposure, activity traits, particularly the distance walked, significantly increased survival time. Therefore, behavioral traits are important components of insecticide efficacy, and individual variation should be considered in such studies. This is so because population differences provided only crude approximation of the individual personality in a restrained experimental setting likely to restrict individual behavior favoring the transposition of the individual variation to the population.
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Affiliation(s)
- Juliana A. Morales
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Danúbia G. Cardoso
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | | | - Raul Narciso C. Guedes
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
- * E-mail:
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Allen KJD, Gabbay FH. The amphetamine response moderates the relationship between negative emotionality and alcohol use. Alcohol Clin Exp Res 2013; 37:348-60. [PMID: 23240777 PMCID: PMC3563713 DOI: 10.1111/j.1530-0277.2012.01935.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2011] [Accepted: 06/29/2012] [Indexed: 11/29/2022]
Abstract
BACKGROUND Considerable evidence suggests that sensitivity to the stimulant effects of alcohol and other drugs is a risk marker for heavy or problematic use of those substances. A separate body of research implicates negative emotionality. The goal of the present study was to evaluate the independent and interactive effects of the stimulant response, assessed with an amphetamine challenge, and negative emotionality on alcohol and drug use. METHODS Healthy young women and men completed the Multidimensional Personality Questionnaire (MPQ) and an inventory assessing alcohol and other drug use. Subsequently, the effects of 10-mg d-amphetamine were determined in the laboratory using the Stimulant scale of the Biphasic Alcohol Effects Scale. Hierarchical regression analyses evaluated the effects of amphetamine response and the MPQ factor Negative Emotionality on measures of substance use. RESULTS The amphetamine response moderated relationships between negative emotionality and alcohol use: in combination with a robust amphetamine response (i.e., enhanced stimulant effects as compared with baseline), negative emotionality predicted greater alcohol consumption, more episodes of binge drinking, and more frequent intoxication in regression models. A strong stimulant response independently predicted having used an illicit drug, and there was a trend for it to predict having used alcohol. Negative emotionality alone was not associated with any measure of alcohol or drug use. CONCLUSIONS Consistent with the idea that emotion-based behavioral dysregulation promotes reward seeking, a high level of negative emotionality was associated with maladaptive alcohol use when it co-occurred with sensitivity to drug-based reward. The findings contribute to our understanding of how differences in personality may interact with those in drug response to affect alcohol use.
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Affiliation(s)
- Kenneth J. D. Allen
- Clinical Research Laboratory, Department of Psychology, Harvard University, Cambridge, Massachusetts
| | - Frances H. Gabbay
- Clinical Psychophysiology and Psychopharmacology Laboratory, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, Maryland
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Oliva EM, Keyes M, Iacono WG, McGue M. Adolescent substance use groups: antecedent and concurrent personality differences in a longitudinal study. J Pers 2012; 80:769-93. [PMID: 22091739 DOI: 10.1111/j.1467-6494.2011.00746.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study attempted to extend Shedler and Block's (1990) influential study, which found that adolescent drug experimenters had the healthiest personality functioning compared to abstainers and frequent users. Using a prospective design, we examined the relationship between antecedent and concurrent personality and age-18 substance use in a community sample of 1,298 twins (96% Caucasian, 49% male). Personality measures at ages 11 and 18 assessed positive emotionality (agentic and communal), negative emotionality, and constraint. Substance use groups-abstainers, experimenters, and problem users-were created at age 18. Age-18 substance use groups differed in age-11 and age-18 constraint such that problem users were lower than experimenters, who were lower than abstainers. Age-18 substance use groups did not differ in age-18 positive emotionality. However, abstainers were significantly lower than experimenters in communal positive emotionality, whereas female abstainers scored higher in agentic positive emotionality than female experimenters, who scored higher than female problem users. Experimenters were significantly lower in negative emotionality than problem users. Our findings are inconsistent with the notion that experimenters had the healthiest personality functioning and instead suggest different strengths and weaknesses for each group. Future studies should examine agentic and communal positive emotionality separately.
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Affiliation(s)
- Elizabeth M Oliva
- Center for Health Care Evaluation, VA Palo Alto Health Care System, Menlo Park, CA 94025, USA.
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20
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Genetic and environmental multidimensionality of well- and ill-being in middle aged twin men. Behav Genet 2012; 42:579-91. [PMID: 22484556 DOI: 10.1007/s10519-012-9538-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2011] [Accepted: 03/15/2012] [Indexed: 10/28/2022]
Abstract
The goals of the study were to determine the extent to which the underlying structure of different types of well-being was multidimensional and whether well- and ill-being were influenced by similar or different genetic and environmental factors. Participants were 1226 male twins ages 51-60, from the Vietnam Era Twin Study of Aging. Measures included: psychological well-being, Multidimensional Personality Questionnaire Well-Being scale (MPQWB), life satisfaction, self-esteem, and depressive symptoms. A two-orthogonal-factor common pathway model fit the data well. Psychological well-being and self-esteem loaded most strongly on Factor 1, which was highly heritable (h(2) = .79). Life satisfaction loaded most strongly on Factor 2, which was only moderately heritable (h(2) = .32). Only MPQWB had measure-specific genetic influences. Depressive symptoms loaded on both factors, and only depressive symptoms had measure-specific common environmental influences. All measures had specific unique environmental influences. Results indicate that well-being is genetically and environmentally multidimensional and that ill-being has partial overlap with both latent factors.
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21
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Temcheff CE, Serbin LA, Martin-Storey A, Stack DM, Hastings P, Ledingham J, Schwartzman AE. Childhood aggression, withdrawal and likeability, and the use of health care later: a longitudinal study. CMAJ 2011; 183:2095-101. [PMID: 22083681 DOI: 10.1503/cmaj.091830] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Literature suggests that early patterns of aggressive behaviour in both girls and boys are predictive of a variety of health risks in adulthood. However, longitudinal examination of the predictive links between childhood aggression, negative physical health outcomes in adulthood and overall use of health care has not been done. We looked at use of health care and a variety of physical health outcomes in adulthood to extend the current body of knowledge regarding the long-term negative sequelae of childhood aggression. METHODS Participants of the Concordia Longitudinal Risk Project were eligible for the current study if they had received medical care in the province of Quebec between 1992 and 2006, and if we were able to retrieve their medical and education records. Our primary outcome was use of the health care system, as determined using records from the Régie de l'assurance maladie du Québec and the Ministère de la santé et des services sociaux. Our controlled variables were socioeconomic status of the neighbourhood in which participants lived in 1986 and level of education. We used hierarchical multiple regression to explore the association between childhood behaviour and physical health in adulthood. RESULTS During the 15-year period studied, childhood agression corresponded to an increase in medical visits (8.1% per 1 standard deviation increase in agression), and injuries (10.7%) or lifestyle-related illnesses (44.2%), visits to specialists (6.2%) and visits to emergency departments (12.4%). We saw a positive relation between social withdrawal during childhood and government-funded visits to dentists. Peer-rated likeability during childhood showed negative relations with use of health care (overall), medical visits due to injuries and government-funded visits to dentists. INTERPRETATION Childhood aggression is a health risk that should be considered when designing interventions to improve public health and diminish the costs of medical services, particularly when considering interventions targeting children and families.
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Klinteberg BA, Almquist Y, Beijer U, Rydelius PA. Family psychosocial characteristics influencing criminal behaviour and mortality--possible mediating factors: a longitudinal study of male and female subjects in the Stockholm Birth Cohort. BMC Public Health 2011; 11:756. [PMID: 21962152 PMCID: PMC3198708 DOI: 10.1186/1471-2458-11-756] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Accepted: 10/02/2011] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND Family psychosocial characteristics in childhood have been associated with children's development into criminal behaviour and mortality. This study explored these possible relationships and examined alcohol and/or drug use and mental problems as possible mediating factors, highlighting gender-specific patterns. METHODS Data from Swedish subjects born in 1953 (n = 14,294) from the Stockholm Birth Cohort study were examined. Several indicators of adverse family factors and individual problems were included in the present study. The information was derived from various data sources, covering different periods. Gender-specific associations with incidence of criminality (1966-1980) and mortality (1981-2009) were analysed using logistic regression. Furthermore, the population attributable fraction (PAF) was calculated for all variables in the fully adjusted models which were positively related to the outcome. RESULTS Overall incidence of criminality and mortality was (m/f 32.3/6.6) and (m/f 6.1/3.5), respectively. The results showed that all aspects of family psychosocial and individual problems studied were associated with criminality for both genders. Among males, individual problems seemed to partly mediate these relations, but the associations remained statistically significant. Interestingly, the PAF analysis revealed a reduction in criminality of 17.5% when individual problems with alcohol and/or drug use were considered. Among females, a significant impact of alcohol and/or drug use on the association between family psychosocial characteristics and subsequent criminality was obtained. Inclusion of father's occupational class only somewhat reduced the estimates for the genders. Concerning male mortality, father's alcohol abuse was significantly related to an increased risk. When individual criminality was accounted for, the association was substantially reduced but remained statistically significant. Among females, when adjusting for family psychosocial factors, only the association between parents' mental problems and females' mortality was significant. None of the individual problem variables managed to explain this association. CONCLUSIONS Family psychosocial characteristics were associated with both subsequent criminal behaviour and mortality. These connections were partly explained by individual risk factors, especially by alcohol and/or drug use. The practical implications of the findings point to the importance of addressing the individual's alcohol and/or drug use in reducing criminal behaviour, which would also lower the mortality rates.
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Affiliation(s)
- Britt af Klinteberg
- Centre for Health Equity Studies, Stockholm University/Karolinska Institutet, Sveavägen 160, 5th floor, SE-106 91 Stockholm, Sweden
- Department of Psychology, Stockholm University, Stockholm, Sweden
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Ylva Almquist
- Centre for Health Equity Studies, Stockholm University/Karolinska Institutet, Sveavägen 160, 5th floor, SE-106 91 Stockholm, Sweden
| | - Ulla Beijer
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
- Department of Public Health, Karolinska Institutet, Stockholm, Sweden
| | - Per-Anders Rydelius
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
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Doane LD, Franz CE, Prom-Wormley E, Eaves LJ, Mendoza SP, Hellhammer DH, Lupien S, Xian H, Lyons MJ, Kremen W, Jacobson KC. Negative emotionality, depressive symptoms and cortisol diurnal rhythms: analysis of a community sample of middle-aged males. Horm Behav 2011; 60:202-9. [PMID: 21619882 PMCID: PMC3126866 DOI: 10.1016/j.yhbeh.2011.05.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2010] [Revised: 05/06/2011] [Accepted: 05/10/2011] [Indexed: 11/15/2022]
Abstract
Prior research suggests that individuals with particular personality traits, like negative emotionality, are at greater risk for adverse health outcomes. Despite bivariate associations between negative emotionality, depressive symptoms and the hypothalamic pituitary adrenal axis (HPA axis), few studies have sought to understand the biological pathways through which negative emotionality, depressive symptomatology and cortisol-one of the primary hormonal products of the HPA axis--are associated. The present study explored whether negative emotionality influenced cortisol dysregulation through current depressive symptomatology and whether negative emotionality served as a moderator of the relationship between depressive symptoms and cortisol. In the community-based Vietnam Era Twin Study of Aging, 783 male twins completed two days of cortisol saliva sampling in their natural environments. Three measures of cortisol were analyzed: waking levels, the cortisol awakening response, and the peak to bed slope. Depressive symptoms significantly mediated the associations between negative emotionality and the peak to bed slope. A 2-way interaction between depressive symptoms and negative emotionality was significant for the peak to bed slope and for waking levels of cortisol. Exploration of the interactions illustrated that depressive symptoms only affected cortisol slopes at average or high levels of negative emotionality and only affected waking levels at low levels of negative emotionality. Negative emotionality and depressive symptoms were not related to the cortisol awakening response. This is the first study to find indirect associations between negative emotionality and peak to bed cortisol slopes through depressive symptoms. These findings illustrate the complex interplay between personality characteristics, depressive symptoms and different indices of the cortisol diurnal rhythm.
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Affiliation(s)
- Leah D Doane
- Department of Psychology, Arizona State University, Tempe, AZ 85287-1104, USA.
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Huibregtse BM, Bornovalova MA, Hicks BM, McGue M, Iacono W. Testing the role of adolescent sexual initiation in later-life sexual risk behavior: a longitudinal twin design. Psychol Sci 2011; 22:924-33. [PMID: 21642552 DOI: 10.1177/0956797611410982] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The consistent association between adolescent sexual initiation (ASI) and risky adult sexual behavior (RASB) has generally been assumed to indicate that ASI has a causal effect on RASB; consequently, it is assumed that delaying ASI will reduce RASB. Yet the ASI-RASB association might be better accounted for by some third variable. We evaluated the causal role of ASI (initiation of oral, anal, or vaginal sex at or before age 16) in influencing RASB in a longitudinal sample of 2,173 twins (followed from ages 11 to 24 or from ages 17 to 29) using two methods: the discordant-twin design and the propensity-score design. The former controlled for unmeasured genetic and shared environmental factors, and the latter controlled for measured nonshared environmental factors. We replicated the link between ASI and RASB reported in previous research, but results from the discordant-twin and propensity-score analyses suggested that this association is better explained by common genetic or environmental risk factors than as a causal effect. These findings suggest that preventing ASI is unlikely to reduce RASB.
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Blonigen DM, Timko C, Moos BS, Moos RH. Impulsivity is an independent predictor of 15-year mortality risk among individuals seeking help for alcohol-related problems. Alcohol Clin Exp Res 2011; 35:2082-92. [PMID: 21631544 DOI: 10.1111/j.1530-0277.2011.01560.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Although past research has found impulsivity to be a significant predictor of mortality, no studies have tested this association in samples of individuals with alcohol-related problems or examined moderation of this effect via socio-contextual processes. The current study addressed these issues in a mixed-gender sample of individuals seeking help for alcohol-related problems. METHODS Using Cox proportional hazard models, variables measured at baseline and Year 1 of a 16-year prospective study were used to predict the probability of death from Years 1 to 16 (i.e., 15-year mortality risk). There were 628 participants at baseline (47.1% women); 515 and 405 participated in the follow-up assessments at Years 1 and 16, respectively. Among Year 1 participants, 93 individuals were known to have died between Years 1 and 16. RESULTS After controlling for age, gender, and marital status, higher impulsivity at baseline was associated with an increased risk of mortality from Years 1 to 16; however, this association was accounted for by the severity of alcohol use at baseline. In contrast, higher impulsivity at Year 1 was associated with an increased risk of mortality from Years 1 to 16, and remained significant when accounting for the severity of alcohol use, as well as physical health problems, emotional discharge coping, and interpersonal stress and support at Year 1. In addition, the association between Year 1 impulsivity and 15-year mortality risk was moderated by interpersonal support at Year 1, such that individuals high on impulsivity had a lower mortality risk when peer/friend support was high than when it was low. CONCLUSIONS The findings highlight impulsivity as a robust and independent predictor of mortality and suggest the need to consider interactions between personality traits and socio-contextual processes in the prediction of health-related outcomes for individuals with alcohol use disorders.
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Affiliation(s)
- Daniel M Blonigen
- Center for Health Care Evaluation, Department of Veterans Affairs Health Care System, Stanford University School of Medicine, Palo Alto, California 94025, USA.
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Bornovalova MA, Hicks BM, Patrick CJ, Iacono WG, McGue M. Development and validation of the Minnesota borderline personality disorder scale. Assessment 2011; 18:234-52. [PMID: 21467094 DOI: 10.1177/1073191111398320] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Although large epidemiological data sets can inform research on the etiology and development of borderline personality disorder (BPD), they rarely include BPD measures. In some cases, however, proxy measures can be constructed using instruments already in these data sets. In this study, the authors developed and validated a self-report measure of BPD from the Multidimensional Personality Questionnaire (MPQ). Items for the new instrument-the Minnesota BPD scale (MBPD) -were identified and refined using three large samples: undergraduates, community adolescent twins, and urban substance users. The authors determined the construct validity of the MBPD scale by examining its association with (a) diagnosed BPD, (b) questionnaire-reported BPD symptoms, and (c) clinical variables associated with BPD: suicidality, trauma, disinhibition, internalizing distress, and substance use. The authors also tested the MBPD scale in two prison inmate samples. Across samples, the MBPD scores correlated with BPD indices and external criteria and showed incremental validity above measures of negative affect, thus supporting its construct validity as a measure of BPD.
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Burk LR, Armstrong JM, Goldsmith HH, Klein MH, Strauman TJ, Costanzo P, Essex MJ. Sex, temperament, and family context: how the interaction of early factors differentially predict adolescent alcohol use and are mediated by proximal adolescent factors. PSYCHOLOGY OF ADDICTIVE BEHAVIORS 2011; 25:1-15. [PMID: 21443307 PMCID: PMC3174803 DOI: 10.1037/a0022349] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Adolescent alcohol use is common and has serious immediate and long-term ramifications. While concurrent individual and context factors are robustly associated with adolescent alcohol use, the influence of early childhood factors, particularly in interaction with child sex, are less clear. Using a prospective community sample of 362 (190 girls), this study investigated sex differences in the joint influence of distal childhood and proximal adolescent factors on Grade 10 alcohol use. All risk factors and two-way early individual-by-context interactions, and interactions of each of these with child sex, were entered into the initial regression. Significant sex interactions prompted the use of separate models for girls and boys. In addition to the identification of early (family socioeconomic status, authoritative parenting style) and proximal adolescent (mental health symptoms, deviant friends) risk factors for both girls and boys, results highlighted important sex differences. In particular, girls with higher alcohol consumption at Grade 10 were distinguished by the interaction of early temperamental disinhibition and exposure to parental stress; boys with higher alcohol consumption at Grade 10 were distinguished primarily by early temperamental negative affect. Results have implications for the timing and type of interventions offered to adolescents.
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Affiliation(s)
- Linnea R Burk
- Department of Psychiatry, University of Wisconsin School of Medicine and Public Health
| | - Jeffrey M Armstrong
- Department of Psychiatry, University of Wisconsin School of Medicine and Public Health
| | - H Hill Goldsmith
- Department of Psychiatry, University of Wisconsin School of Medicine and Public Health
| | - Marjorie H Klein
- Department of Psychiatry, University of Wisconsin School of Medicine and Public Health
| | | | | | - Marilyn J Essex
- Department of Psychiatry, University of Wisconsin School of Medicine and Public Health
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Franz CE, York TP, Eaves LJ, Prom-Wormley E, Jacobson KC, Lyons MJ, Grant MD, Xian H, Panizzon MS, Jimenez E, Kremen WS. Adult romantic attachment, negative emotionality, and depressive symptoms in middle aged men: a multivariate genetic analysis. Behav Genet 2011; 41:488-98. [PMID: 21213033 PMCID: PMC3121938 DOI: 10.1007/s10519-010-9428-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Accepted: 12/06/2010] [Indexed: 11/26/2022]
Abstract
Adult romantic attachment styles reflect ways of relating in close relationships and are associated with depression and negative emotionality. We estimated the extent to which dimensions of romantic attachment and negative emotionality share genetic or environmental risk factors in 1,237 middle-aged men in the Vietnam Era Twin Study of Aging (VETSA). A common genetic factor largely explained the covariance between attachment-related anxiety, attachment-related avoidance, depressive symptoms, and two measures of negative emotionality: Stress-Reaction (anxiety), and Alienation. Multivariate results supported genetic and environmental differences in attachment. Attachment-related anxiety and attachment-related avoidance were each influenced by additional genetic factors not shared with other measures; the genetic correlation between the attachment measure-specific genetic factors was 0.41, indicating some, but not complete overlap of genetic factors. Genetically informative longitudinal studies on attachment relationship dimensions can help to illuminate the role of relationship-based risk factors in healthy aging.
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Affiliation(s)
- Carol E Franz
- Department of Psychiatry, University of California San Diego, La Jolla, CA 92093-0738, USA.
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29
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Blonigen DM, Timko C, Moos BS, Moos RH. Treatment, alcoholics anonymous, and 16-year changes in impulsivity and legal problems among men and women with alcohol use disorders. J Stud Alcohol Drugs 2010; 70:714-25. [PMID: 19737496 DOI: 10.15288/jsad.2009.70.714] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE The link between impulsive personality traits and alcohol use disorders (AUDs) is well established. No studies, however, have investigated whether receipt of help for AUDs predicts change in impulsivity or whether such change is associated with relevant outcomes such as legal problems. The present study examined predictive associations between the duration of help for AUDs (Alcoholics Anonymous [AA], professional treatment) and impulsivity and legal problems over 16 years in men and women with AUDs. METHOD Participants who were initially untreated for their AUDs (n(men) = 332, n(women) = 296) completed follow-up telephone interviews at 1 and 16 years after their baseline assessment. RESULTS Impulsivity and legal problems declined between baseline and the 1-year and 16-year follow-ups among both women and men. A longer duration of participation in AA predicted a decline in impulsivity at both follow-up assessments, and, in turn, a decline in impulsivity predicted a decline in legal problems at Years 1 and 16. In addition, a longer duration of participation in AA predicted fewer legal problems at Year 1, and this association was moderated by gender (significant in men) and impulsivity (significant for individuals with higher baseline scores). CONCLUSIONS The results highlight the potential for AA and professional treatment to reduce the expression of impulsivity and related disinhibitory traits and legal problems in individuals with AUDs.
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Affiliation(s)
- Daniel M Blonigen
- Center for Health Care Evaluation, Department of Veterans Affairs Health Care System and Stanford University School of Medicine, Palo Alto, California, USA.
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White HR, Fleming CB, Catalano RF, Bailey JA. Prospective associations among alcohol use-related sexual enhancement expectancies, sex after alcohol use, and casual sex. PSYCHOLOGY OF ADDICTIVE BEHAVIORS 2010; 23:702-7. [PMID: 20025377 DOI: 10.1037/a0016630] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Higher levels of alcohol use have consistently been related to higher rates of sexual risk taking; however, it is not clear whether this relationship is causal. This study examined the concurrent and predictive associations among alcohol use-related sexual enhancement expectancies, drinking alcohol before engaging in sex, and casual sex during the transition into emerging adulthood and whether these associations differed for men and women. Data came from 590 men and women who were interviewed 3 times at 6-month intervals after high school. Growth curve analyses indicated that alcohol-related sexual enhancement expectancies were related to casual sex indirectly through drinking before sex but did not predict change in either of these behaviors. However, increases in drinking before sex predicted increases in casual sex over time. The findings provide some support for prevention programs that focus on alcohol-related sexual expectancies to reduce sexually transmitted illnesses among emerging adults.
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Affiliation(s)
- Helene R White
- Center of Alcohol Studies, Rutgers, the State University of New Jersey, Piscataway, NJ 08854-8001, USA.
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Pedersen SL, McCarthy DM. Person-environment transactions in youth drinking and driving. PSYCHOLOGY OF ADDICTIVE BEHAVIORS 2008; 22:340-8. [PMID: 18778127 DOI: 10.1037/0893-164x.22.3.340] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Drinking and driving is a significant health risk behavior for adolescents. This study tested mechanisms by which disinhibited personality traits (impulsivity and sensation seeking) and aspects of the adolescent home/social environment (parental monitoring and alcohol accessibility) can influence changes in drinking and driving behavior over time. Two hundred two high school age youths were assessed at 2 time points, approximately 8 months apart. Zero-inflated Poisson regression analyses were used to test (a) an additive model, where personality and environmental variables uniquely predict drinking and driving engagement and frequency; (b) a mediation model, where Time 2 environmental variables mediate the influence of disinhibited personality; and (c) an interaction model, where environmental factors either facilitate or constrain the influence of disinhibited personality on drinking and driving. Results supported both the additive and interaction model but not the mediation model. Differences emerged between results for personal drinking and driving and riding with a drinking driver. Improving our understanding of how malleable environmental variables can affect the influence of disinhibited personality traits on drinking and driving behaviors can help target and improve prevention/intervention efforts.
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Affiliation(s)
- Sarah L Pedersen
- Department of Psychological Sciences, University of Missouri, Columbia, MO 65211, USA
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Gulliver P, Begg D. Personality factors as predictors of persistent risky driving behavior and crash involvement among young adults. Inj Prev 2008; 13:376-81. [PMID: 18056312 DOI: 10.1136/ip.2007.015925] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVES The aim of this study was to examine the relationship between personality factors assessed during adolescence and persistent risky driving behavior and traffic crash involvement among young adults. DESIGN Data for this investigation were drawn from the Dunedin Multidisciplinary Health and Development Study, a longitudinal study of a cohort born in Dunedin, New Zealand. SUBJECTS The study population was 1037 young people born between 1 April 1972 and 31 March 1973. MAIN OUTCOME MEASURES The main outcome measures were persistent risky driving behaviors and crash involvement, collected in a face-to-face road-safety interview at ages 21 and 26. RESULTS The only outcomes for which there were sufficient numbers of females were a driver involved in any crash and a driver involved in an injury crash. Univariate logistic regression revealed that there were no significant predictors for either of these outcomes. For the males, at the univariate level, aggression, traditionalism, and alienation were the personality scales most frequently associated with risky driving behavior and crash risk. After adjusting for driving exposure, only high levels of aggression predicted being a driver involved in a crash, and alienation predicted being a driver involved in an injury crash. CONCLUSION These results suggest that road-safety interventions seeking to deter young adult males from persistent risky driving behavior need to be directed at those who do not endorse traditional views, are aggressive, and feel alienated from the rest of society.
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Stoltenberg SF, Batien BD, Birgenheir DG. Does gender moderate associations among impulsivity and health-risk behaviors? Addict Behav 2008; 33:252-65. [PMID: 17913380 PMCID: PMC2225595 DOI: 10.1016/j.addbeh.2007.09.004] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2006] [Revised: 07/13/2007] [Accepted: 09/05/2007] [Indexed: 11/26/2022]
Abstract
The present study explores the relations among gender, impulsivity and three health-risk behaviors relevant to young adults (tobacco use, alcohol problems and gambling problems) in a sample of 197 college-age individuals. We sought to determine whether impulsivity is associated with health-risk behaviors in the same ways for men and women. For tobacco use and gambling problems, men were at higher risk than women, and impulsivity was not significantly associated with higher risk. Higher levels of motor impulsivity in men accounted for a significant amount of the gender difference in risk for alcohol problems. That is, impulsivity as measured by the Barratt Impulsiveness Scale (version 11), mediated the association between gender and risk for alcohol problems. For impulsivity as measured by Stop Signal Reaction Time (i.e. response inhibition), gender moderated the association between impulsivity and alcohol problems. Specifically, lower levels of impulsivity were associated with greater risk for alcohol problems in both men and women, but the effect was stronger in men. We speculate that this seemingly paradoxical result might be the result of coping drinking to deal with negative affect associated with behavioral overcontrol. These findings suggest that prevention efforts might well focus on identifying individuals at high risk for alcohol problems, especially males, by assessing response inhibition.
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Affiliation(s)
- Scott F Stoltenberg
- Black Hills State University, Department of Psychology, Spearfish, SD 57799-9129, USA.
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Shoal GD, Gudonis LC, Giancola PR, Tarter RE. Delinquency as a mediator of the relation between negative affectivity and adolescent alcohol use disorder. Addict Behav 2007; 32:2747-65. [PMID: 17490823 PMCID: PMC2629998 DOI: 10.1016/j.addbeh.2007.04.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2006] [Revised: 02/19/2007] [Accepted: 04/09/2007] [Indexed: 11/25/2022]
Abstract
This investigation examined mediators of the longitudinal relation between negative affectivity and the development of problematic drinking behavior in adolescent boys and girls. In the present study, 499 early adolescents completed inventories of negative affectivity, attitudes toward delinquency, personal delinquency, and affiliation with delinquent peers. Positive attitudes toward delinquency emerged as the most consistent mediator and strongly predicted drinking frequency in various situations. Compared with personal delinquency, both attitudes toward delinquency and peer delinquency were superior predictors of affect-related drinking. Our results also demonstrated that positive attitudes toward delinquency mediated the relation between negative affectivity and later development of an alcohol use disorder. These findings suggest that a proneness to unpleasant affect impacts adolescent drinking by heightening risk for general rejection of normative behavior, rather than by increasing drinking as a means of managing affect. The importance and implications of testing delinquency variables together in the same model are discussed.
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Affiliation(s)
- Gavin D Shoal
- Department of Psychology, University of Kentucky, 115 Kastle Hall, Lexington, KY 40506-0044, USA
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Hampson SE, Andrews JA, Barckley M. Predictors of the development of elementary-school children's intentions to smoke cigarettes: hostility, prototypes, and subjective norms. Nicotine Tob Res 2007; 9:751-60. [PMID: 17577804 PMCID: PMC2279238 DOI: 10.1080/14622200701397908] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Children's intentions to smoke are reliable predictors of subsequent smoking and precede smoking initiation; thus identifying predictors of intentions is important for preventing or delaying smoking initiation. Children's hostility and sociability, mediated by the development of prototypes (i.e., social images of children who smoke cigarettes) and subjective norms regarding smoking among peers, were expected to predict the development of their intentions to smoke cigarettes in the future. Children in 2nd through 5th grades (N = 809) from a western Oregon community participated in a longitudinal study. Hostility and sociability were assessed by teachers' ratings, and prototypes, subjective norms, and intentions were assessed by self-report at each of the first four annual assessments. Children's intentions to smoke predicted whether they had tried cigarettes by the fifth assessment. For both genders, latent growth modeling demonstrated that hostility, but not sociability, predicted the development of smoking intentions. Children who were more hostile were more likely to have higher initial levels of intentions to smoke, and for boys this effect was mediated by their higher initial levels of subjective norms about smoking. Sociability was not related to the development of smoking cognitions for boys or girls. These results are discussed in terms of opportunities to intervene in early influences on smoking intentions.
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Affiliation(s)
- Sarah E Hampson
- University of Surrey and Oregon Research Institute, Eugene, OR 97405, USA.
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Hampson SE, Andrews JA, Barckley M, Severson HH. Personality predictors of the development of elementary school children's intentions to drink alcohol: the mediating effects of attitudes and subjective norms. PSYCHOLOGY OF ADDICTIVE BEHAVIORS 2006; 20:288-97. [PMID: 16938066 PMCID: PMC2674640 DOI: 10.1037/0893-164x.20.3.288] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The authors tested a mediation model in which childhood hostility and sociability were expected to influence the development of intentions to use alcohol in the future through the mediating mechanisms of developing attitudes and norms. Children in 1st through 5th grades (N=1,049) from a western Oregon community participated in a longitudinal study involving 4 annual assessments. Hostility and sociability were assessed by teachers' ratings at the 1st assessment, and attitudes, subjective norms, and intentions were assessed by self-report at all 4 assessments. For both genders, latent growth modeling demonstrated that sociability predicted an increase in intentions to use alcohol over time, whereas hostility predicted initial levels of these intentions. These personality effects were mediated by the development of attitudes and subjective norms, supporting a model wherein childhood personality traits exert their influence on the development of intentions to use alcohol through the development of these more proximal cognitions.
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Affiliation(s)
- Sarah E Hampson
- Department of Psychology, University of Surrey, Surrey, United Kingdom.
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Gerra G, Garofano L, Castaldini L, Rovetto F, Zaimovic A, Moi G, Bussandri M, Branchi B, Brambilla F, Friso G, Donnini C. Serotonin transporter promoter polymorphism genotype is associated with temperament, personality traits and illegal drugs use among adolescents. J Neural Transm (Vienna) 2005; 112:1397-410. [PMID: 15666036 DOI: 10.1007/s00702-004-0268-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2004] [Accepted: 11/27/2004] [Indexed: 10/25/2022]
Abstract
Serotonin transporter promoter polymorphism (5-HTTLPR) genotype was previously found associated with substance use disorders, particularly in the subjects with comorbid antisocial behavior, and with temperament and personality traits at risk for substance abuse. Aim of the present study was to evaluate the possible association between 5-HTTLPR genotype and the availability to experiment illegal drugs among adolescents, in relationship with psychological characteristics. 216 caucasian high school students (aged 14-19 ys), 125 abstinent subjects, who have never experimented psychotropic drugs, and 91 experimenters of illegal drugs have been genotyped. Aggressiveness levels and temperamental traits were measured in both abstinent subjects and experimenters utilizing respectively Buss-Durkee-Hostility-Inventory (BDHI) and Cloninger Three-dimensional Personality Questionnaire (TPQ). Data about school performance have been also collected. The short-short (SS) genotype frequency was significantly higher among experimenters compared with abstinent subjects (p = 0.001). The odds ratio for the SS genotype vs the long-long (LL) genotype frequency was 4.67, 95% Cl (1.97-11.04), when experimenters were compared with abstinent students. The SS genotype frequency was significantly higher among aggressive/novelty seeker (NS) experimenters with poor school achievements, compared with drugs experimenters without aggressiveness and school failure (p = 0.02). When evaluated on the entire sample, BDHI mean total scores, NS scores at TPQ and school failure frequency were significantly higher in SS individuals, in comparison with LL subjects. Our data suggest that a decreased expression of the gene encoding the 5-HTT transporter, due to "S" promoter polymorphism, may be associated with an increased availability to experiment illegal drugs among adolescents, particularly in the subjects with more consistent aggressiveness, NS temperament and learning disabilities.
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Affiliation(s)
- G Gerra
- Centro Studi Farmaco-tossicodipendenze, Ser.T., AUSL, Italy.
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