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Investigating associations between maternal stress, smoking and adverse birth outcomes: evidence from the All Our Families cohort. BMC Pregnancy Childbirth 2023; 23:710. [PMID: 37794335 PMCID: PMC10548639 DOI: 10.1186/s12884-023-06029-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 09/25/2023] [Indexed: 10/06/2023] Open
Abstract
BACKGROUND Independently, active maternal and environmental tobacco smoke exposure and maternal stress have been linked to an increased risk of preterm birth and low birth weight. An understudied relationship is the potential for interactive effects between these risk factors. METHODS Data was obtained from the All Our Families cohort, a study of 3,388 pregnant women < 25 weeks gestation recruited from those receiving prenatal care in Calgary, Canada between May 2008 and December 2010. We investigated the joint effects of active maternal smoking, total smoke exposure (active maternal smoking plus environmental tobacco smoke) and prenatal stress (Perceived Stress Scale, Spielberger State-Trait Anxiety Inventory), measured at two time points (< 25 weeks and 34-36 weeks gestation), on preterm birth and low birth weight. RESULTS A marginally significant association was observed with the interaction active maternal smoking and Spielberger State-Trait Anxiety Inventory scores in relation to low birth weight, after imputation (aOR = 1.02, 95%CI: 1.00-1.03, p = 0.06). No significant joint effects of maternal stress and either active maternal smoking or total smoke exposure with preterm birth were observed. Active maternal smoking, total smoke exposure, Perceived Stress Scores, and Spielberger State-Trait Anxiety Inventory scores were independently associated with preterm birth and/or low birth weight. CONCLUSIONS Findings indicate the role of independent effects of smoking and stress in terms of preterm birth and low birthweight. However, the etiology of preterm birth and low birth weight is complex and multifactorial. Further investigations of potential interactive effects may be useful in helping to identify women experiencing vulnerability and inform the development of targeted interventions.
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Socio-demographic and psychological features associated with smoking in pregnancy. J Bras Pneumol 2021; 47:e20210050. [PMID: 34495137 PMCID: PMC8642815 DOI: 10.36416/1806-3756/e20210050] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 05/31/2021] [Indexed: 11/27/2022] Open
Abstract
Objective To investigate how social and psychological characteristics differ between pregnant women who smoke and do not smoke. To explore associations between social and psychological features with changes of smoking habits by the end of pregnancy. Methods A case-control study was set up. Smokers cases were never-smokers and ex-smokers controls. Pregnant women (n=328) from public prenatal services were interviewed. Socio-demographic data and psychological variables – personality traits, anxiety, depression, perceived stress, maternal fetal-attachment - were measured. Saliva samples were collected to measure cotinine and to check self-informed smoking status. In addition, 66 smokers were also assessed regarding smoking habits by late pregnancy. Smoking status was defined as a dependent variable. Exposure factors were analyzed through odds ratios. Logistic models and contingency tables were employed according to the nature of variables. “Qualitative change in smoking” was defined as a dependent variable for the last evaluation, and a logistic regression model was built. Results Lower schooling, higher age, use of alcohol and drugs, living without a partner, and passive smoking showed associations with smoking. Anxiety, depression and perceived stress also exhibited positive association with smoking. Among personality traits, only Neuroticism was associated with smoking. None of the variables were associated with qualitative change in smoking by the end of pregnancy. Conclusion Smoking during pregnancy is associated with more unfavorable social conditions. Pregnant women who smoke exhibit more negative psychological states than nonsmokers, including a profile of accentuated Neuroticism. None of the investigated variables could predict changes in smoking during pregnancy.
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Framing pregnancy-related smoking cessation messages for women of reproductive age. Addict Behav Rep 2020; 12:100290. [PMID: 32637566 PMCID: PMC7330874 DOI: 10.1016/j.abrep.2020.100290] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 06/06/2020] [Accepted: 06/07/2020] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Communicating harms of smoking and benefits of quitting to tobacco users to motivate cessation is critical to reduce the burden of tobacco-related disease. Most messaging strategies focus on health risks of smoking using loss-framing; yet, gain-framed messages to increase confidence in quitting have shown promise for smokers with lower self-efficacy. This study examined the impact of message framing on perceived effectiveness of targeted, pregnancy-related smoking cessation messages among pregnant and not-pregnant smoking women of reproductive age. METHODS An obstetrics-gynecological clinic-based sample of female, current smokers of reproductive age (18-44 years old) was recruited during January to May 2019 (n = 135). Participants self-reported ratings for 10 pregnancy-related cessation messages (half gain-framed) on a validated perceived effectiveness scale. Multivariable regression analyses were conducted using generalized estimating equations to account for clustering by message themes. RESULTS Gain-framed messages were rated significantly higher (0.20; p < 0.01) compared to loss-framed messages for perceived effectiveness, after accounting for quit intentions, self-efficacy to quit, health literacy, cessation risk perceptions, nicotine dependence, and pregnancy status. CONCLUSIONS Gain-framed health messages about cessation were deemed to be more effective than loss-framed messages among adult female smokers. Targeted, positively framed messages to highlight the benefits of quitting to women of reproductive age show promise as a strategy to promote smoking cessation.
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Does having a high-risk pregnancy influence anxiety level during the COVID-19 pandemic? Eur J Obstet Gynecol Reprod Biol 2020; 255:190-196. [PMID: 33147531 PMCID: PMC7585497 DOI: 10.1016/j.ejogrb.2020.10.055] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/20/2020] [Accepted: 10/23/2020] [Indexed: 01/18/2023]
Abstract
Objective We aimed to analyze the changing level of anxiety during COVID-19 pandemic in pregnant women, with and without high-risk indicators separately, in a tertiary care center serving also for COVID-19 patients, in the capital of Turkey. Study design We designed a case-control and cross-sectional study using surveys. The Spielberger State-Trait Anxiety Scale questionnaire (STAI-T) and Beck Anxiety Inventory (BAI) which were validated in Turkish were given to outpatient women with high-risk pregnancies as study group and normal pregnancies as control group. A total of 446 women were recruited. Results There was a statistically significant difference between those with and without high-risk pregnancy in terms of Trait-State Anxiety scores with COVID-19 pandemic (p < 0.05). We found an increased prevalence of anxiety during COVID-19 pandemic in high-risk pregnant women comparing to pregnancies with no risk factors (p < 0.05). There was a statistically significant difference between the education level in high-risk pregnant women in terms of anxiety scores (p < 0.05), Beck Anxiety score was highest in high school graduates (42.75). While the level of Trait Anxiety was the highest with pandemic in those with high-risk pregnancy with threatened preterm labor and preterm ruptures of membranes (58.0), those with thrombophilia were the lowest (50.88). The State Anxiety level and Beck Anxiety Score of those with maternal systemic disease were the highest (53.32 and 45.53), while those with thrombophilia were the lowest (46.96 and 40.08). The scores of Trait Anxiety (56.38), State Anxiety (52.14), Beck Anxiety (43.94) were statistically higher during the pandemic in those hospitalized at least once (p < 0.05). Conclusion High-risk pregnant women require routine anxiety and depression screening and psychosocial support during the COVID-19 pandemic. High-risk pregnancy patients have comorbid conditions most of the time, hence they not only at more risk for getting infected, but also have higher anxiety scores because of the stress caused by COVID-19 pandemic.
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The effect of prenatal adversity on externalizing behaviors at 24 months of age in a high-risk sample: Maternal sensitivity as a moderator. Infant Ment Health J 2020; 41:530-542. [PMID: 32594565 DOI: 10.1002/imhj.21863] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The purpose of this study was to examine the moderating role of maternal sensitivity on the association between prenatal adversity and externalizing behaviors at 24 months of age in a diverse, high-risk sample. We hypothesized that among children with higher prenatal adversity, high maternal sensitivity would serve as a protective factor. Participants were 247 primarily low-income, diverse dyads. Results indicated a significant interaction effect of maternal sensitivity and prenatal adversity on externalizing problems. The association between prenatal adversity and externalizing behaviors was significant only among children who experienced low prenatal adversity, with higher maternal sensitivity associated with lower externalizing behaviors. These findings indicate that, in the absence of high prenatal risk, responsive and sensitive parenting can buffer children in an otherwise high-risk sample from the development of externalizing behaviors.
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Do stress, life satisfaction, depression and alcohol use predict quitting among Aboriginal and Torres Strait Islander smokers? Aust N Z J Public Health 2020; 44:186-192. [DOI: 10.1111/1753-6405.12993] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 02/01/2020] [Accepted: 03/01/2020] [Indexed: 11/27/2022] Open
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Prenatal exposure to tobacco and marijuana and child autonomic regulation and reactivity: An analysis of indirect pathways via maternal psychopathology and parenting. Dev Psychobiol 2019; 61:1022-1034. [PMID: 30868568 DOI: 10.1002/dev.21844] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 01/16/2019] [Accepted: 01/30/2019] [Indexed: 11/08/2022]
Abstract
We examined a conceptual model for the associations of prenatal exposure to tobacco (PTE) and marijuana with child reactivity/regulation at 16 months of age. We hypothesized that PTE would be associated with autonomic reactivity and regulation that these associations would be indirect via maternal anger/hostility, depression/stress, or harsh parenting assessed at 2 months and that these effects would be most pronounced among children exposed to both tobacco and marijuana (PTME). Participants were 247 dyads (81 PTE, 97 PTME, and 69 nonexposed) who were followed up at 2 (N = 247) and 16 months (N = 238) of child age. Results from model testing indicated an indirect association between PTME and autonomic functioning during the second year of life, which was mediated by harsh parenting during caregiver-infant interactions. This study fills an important gap in the literature on PTE, PTME, and autonomic regulation during the toddler years, highlighting the role of maternal parenting as important intervening variables.
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Co-use of tobacco and marijuana during pregnancy: Pathways to externalizing behavior problems in early childhood. Neurotoxicol Teratol 2018; 69:39-48. [PMID: 30081085 PMCID: PMC6396313 DOI: 10.1016/j.ntt.2018.07.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 07/25/2018] [Accepted: 07/31/2018] [Indexed: 11/22/2022]
Abstract
Use and co-use of tobacco and marijuana during pregnancy are associated with the development of social, cognitive, and behavioral problems for infants and children. However, less is known about the potential developmental impact of the use of tobacco and marijuana in tandem. The present study examined an etiological model for the development of externalizing behavior problems (EBP) in early childhood in a high risk sample (N = 247) of mother-infant dyads with prospective data from pregnancy to 36 months of child age. Co-use during pregnancy and continued maternal tobacco and marijuana use from infancy through early childhood were investigated. Although direct pathways from exposure during pregnancy to EBP were not significant, there was a significant indirect pathway from prenatal tobacco use to EBP via lower breastfeeding duration to lower maternal warmth/sensitivity to EBP, and a pathway from higher maternal affective dysregulation to higher EBP. These results highlight the importance of considering cascading effects of substance use during pregnancy on parental processes within the context of developmental risk and protection.
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Prenatal exposure to tobacco and cannabis: Effects on autonomic and emotion regulation. Neurotoxicol Teratol 2018; 68:47-56. [PMID: 29727701 PMCID: PMC6161361 DOI: 10.1016/j.ntt.2018.04.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 04/28/2018] [Accepted: 04/30/2018] [Indexed: 01/14/2023]
Abstract
Tobacco and cannabis are often used together in pregnancy and both have effects on children's regulatory system. Yet, little is known about the impact of co-use on the development of emotion regulation at the developmentally salient age of 2 years. One pathway linking co-exposure to tobacco and cannabis to toddler regulation may be via poor autonomic regulation in infancy. In addition, substance using mothers may be more dysregulated themselves, which may have direct effects on toddler regulation, but may also affect parenting, particularly maternal sensitivity during mother-child interactions. Thus, a second pathway linking exposure to toddler regulation may be via maternal dysregulation and low maternal sensitivity. We examined a conceptual model linking prenatal exposure to toddler regulation via these two pathways in a prospective sample (N = 247) of mother-child dyads recruited in the first trimester of pregnancy. Results indicated significant effects of co-exposure on poor autonomic regulation in infancy, which in turn predicted poor toddler emotion regulation. Mothers who used both tobacco and cannabis displayed lower sensitivity during play interactions with their infants. Maternal sensitivity was modestly stable from infant to toddler period and was predictive of higher toddler emotion regulation. Continued postnatal exposure to tobacco was also a significant, unique predictor of lower toddler emotion regulation. Results highlight the importance of examining co-exposure effects and suggest that this common pattern of use may be associated with higher infant/toddler risks.
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Predictors of smoking cessation during pregnancy: a systematic review and meta-analysis. Addiction 2018; 113:610-622. [PMID: 29235189 DOI: 10.1111/add.14135] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 11/09/2016] [Accepted: 12/05/2017] [Indexed: 01/10/2023]
Abstract
AIM To identify factors found in the research literature to be associated with smoking cessation in pregnancy. METHODS Electronic searches of the bibliographic databases of PubMed, EMBASE, PsycINFO, Elsevier, Scopus and ISI Web of Science were conducted to April 2017. All studies reporting factors associated with smoking cessation or continuing smoking during pregnancy were included and reviewed systematically, irrespective of study design. The Newcastle-Ottawa Quality Assessment Scale was used to assess the study quality. The DerSimonian & Laird random-effects model was used to conduct meta-analyses, and where effect estimates were reported for factors included in at least three studies. RESULTS Fifty-four studies, including 505 584 women globally who smoked before pregnancy, 15 clinical trials and 40 observational studies, were included in the review and 36 (65.5%) were considered to be of high quality. This review identified 11 socio-demographic, seven socially related, 19 smoking behaviour-related, five pregnancy-related, six health-related and six psychological factors that were associated significantly with smoking cessation during pregnancy. The most frequently observed significant factors associated with cessation were: higher level of education, pooled odds ratio (OR), 95% confidence interval (CI) = 2.16 (1.80-2.84), higher socio-economic status: 1.97 (1.20-3.24), overseas maternal birth: 2.00 (1.40-2.84), Medicaid coverage or private insurance: 1.54 (1.29-1.85), living with partner or married: 1.49 (1.38-1.61), partner/other members of the household do not smoke: 0.42 (0.35-0.50), lower heaviness of smoking index score: 0.45 (0.27-0.77, lower baseline cotinine level: 0.78 (0.64-0.94), low exposure to second-hand smoking: 0.45 (0.20-1.02), not consuming alcohol before and/or during pregnancy: 2.03 (1.47-2.80), primiparity: 1.85 (1.68-2.05), planned breastfeeding:1.99 (1.94-2.05), perceived adequate pre-natal care: 1.74 (1.38-2.19), no depression: 2.65 (1.62-4.30) and low stress during pregnancy: 0.58 (0.44-0.77). CONCLUSION A wide range of socio-demographics, relationship, social, smoking-related, pregnancy-related, health and psychological factors have been found to predict smoking cessation in pregnancy.
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Examining characteristics associated with quitting smoking during pregnancy and relapse postpartum. Addict Behav 2018; 78:114-119. [PMID: 29149636 PMCID: PMC5783747 DOI: 10.1016/j.addbeh.2017.11.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 08/29/2017] [Accepted: 11/08/2017] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Smoking during pregnancy is a significant public health concern that can cause adverse health outcomes for both the mother and fetus. Studies have shown only 40% of women quit smoking during pregnancy, with more than half relapsing within 6months, and up to 90% relapsing within one year. This study investigates differences in demographics and smoking-related symptomatology between pregnant smokers and pregnant quitters, as well as factors associated with postpartum relapse. METHODS Data on pregnant smokers and pregnant quitters were obtained from two separate parent studies. Data on smoking demographics and smoking-related symptomatology were collected at screening visits. RESULTS Compared to pregnant smokers, pregnant quitters had more favorable smoking characteristics (e.g., smoked fewer cigarettes per day, reported higher motivation for abstinence and less dependency). They also had more favorable relationship characteristics (e.g., were more likely to be married, less likely to have a significant other who smokes) and had less reproductive liability (e.g., fewer pregnancies, fewer children). In terms of symptomatology, pregnant quitters reported more positive affect, negative affect, physical symptoms and withdrawal but less craving. Predictors of postpartum relapse included increased maternal age, having a significant other who smokes and an increased likelihood of returning to smoking after pregnancy (self-reported prior to delivery). CONCLUSIONS Several demographics and smoking-related symptomatology were significantly different between pregnant quitters and pregnant smokers. In addition, multiple factors predicting postpartum relapse were identified. This information can inform personalized interventions for high risk pregnant smokers and pregnant quitters at risk for postpartum relapse.
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Abstract
Perinatal mental health has important implications for maternal and child outcomes. Most women with psychiatric disorders during pregnancy go undiagnosed and untreated, despite widespread initiatives for early identification. Universal screening for psychiatric disorders, particularly depression and anxiety, has been implemented in obstetric and primary care settings. However, there is little evidence regarding the effectiveness on psychiatric symptom reduction or prevention of adverse outcomes in children. Recently, comprehensive screening and follow-up programs integrated within obstetric or primary care settings have shown promising results in improving maternal mental health outcomes. Further work is needed to determine best clinical and most cost-effective practices.
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Smoking Cessation for Pregnant Smokers: Development and Pilot Test of an Emotion Regulation Treatment Supplement to Standard Smoking Cessation for Negative Affect Smokers. Nicotine Tob Res 2017; 19:578-584. [PMID: 28403472 PMCID: PMC5939632 DOI: 10.1093/ntr/ntw398] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 12/28/2016] [Indexed: 11/13/2022]
Abstract
INTRODUCTION Negative affect has been identified as a factor influencing continued smoking during pregnancy. In this study, a multi-component emotion regulation intervention was developed to address negative emotional smoking triggers and pilot-tested among low-income pregnant smokers. Treatment feasibility and acceptability, cotinine-verified rates of smoking cessation, and self-report of mean cigarettes smoked were assessed. METHODS Pregnant smokers who self-reported smoking in response to negative affect (N = 70) were randomly assigned to receive one of two 8-session interventions: (1) emotion regulation treatment combined with standard cognitive-behavioral smoking cessation (ERT + CBT) or (2) a health and lifestyle plus standard smoking cessation active control (HLS + CBT). Outcomes for the 4-month period following the quit date are reported. RESULTS Treatment attendance and subjective ratings provide evidence for the feasibility and acceptability of the ERT + CBT intervention. Compared with the HLS + CBT control condition, the ERT + CBT condition demonstrated higher abstinence rates at 2 months (ERT + CBT = 23% vs. HLS + CBT = 0%, OR = 13.51; 95% CI = 0.70-261.59) and 4 months (ERT = 18% vs. HLS = 5%; OR = 2.98; 95% CI = 0.39-22.72) post-quit. Mean number of cigarettes per day was significantly lower in ERT + CBT at 2 months (ERT + CBT = 2.73 (3.35) vs. HLS + CBT = 5.84 (6.24); p = .05) but not at 4 months (ERT + CBT = 2.15 (3.17) vs. HLS + CBT = 5.18 (2.88); p = .06) post-quit. CONCLUSIONS The development and initial test of the ERT + CBT intervention supports its feasibility and acceptability in this difficult-to-treat population. Further development and testing in a Stage II randomized clinical trial are warranted. IMPLICATIONS Negative affect has been identified as a motivator for continued smoking during pregnancy. To date, smoking cessation interventions for pregnant smokers have not specifically addressed the role of negative affect as a smoking trigger. This treatment development pilot study provides support for the feasibility and acceptability of a multi-component ERT + CBT for low-income pregnant smokers who self-report smoking in response to negative affect. Study findings support further testing in a fully-powered Stage II efficacy trial powered to assess mediators and moderators of treatment effects.
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Tobacco consumption and spontaneous quitting at the first trimester of pregnancy. Addict Behav 2017; 64:111-117. [PMID: 27608322 DOI: 10.1016/j.addbeh.2016.08.034] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 08/22/2016] [Accepted: 08/29/2016] [Indexed: 10/21/2022]
Abstract
INTRODUCTION The purpose of this study was to examine the association between pregnant women's socio-demographic characteristics, smoking-related variables and psychological symptoms (anxiety and depression) and both tobacco consumption and spontaneous quitting at the first trimester of pregnancy. In particular, we wished to examine the contribution of depressive symptoms to tobacco consumption and spontaneous quitting, while controlling for anxiety symptoms, socio-demographic and smoking-related variables. METHODS The sample was comprised of 901 Spanish pregnant women. Assessment included an ad hoc questionnaire with socio-demographic and tobacco consumption information, the Edinburg Postnatal Depression Scale (EPDS), and The State-Anxiety Inventory (STAI-S). Two multiple logistic regression analyses were performed, respectively to predict tobacco consumption and to predict spontaneous quitting. RESULTS Having a partner who smokes (OR=5.578), not having a college education (OR=2.803), higher scores on the EPDS (OR=1.073) and higher scores on the STAI-S (OR=1.027) increase the probability of continuing smoking. Being primiparous (OR=2.463), having a college education (OR=2.141), smoking fewer cigarettes before pregnancy (OR=1.175), and lower scores on the STAI-S (OR=1.045) increase the probability of spontaneously quitting smoking at the first trimester of pregnancy. CONCLUSIONS Depressive symptoms were a predictor of tobacco consumption but not of spontaneous quitting; spontaneous quitting was better predicted by anxiety symptoms. These findings support recommendations that women with depressive symptoms are at risk for smoking during pregnancy and highlight that anxious symptoms should be targeted in interventions for smoking cessation during pregnancy.
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Tobacco exposure and maternal psychopathology: Impact on toddler problem behavior. Neurotoxicol Teratol 2016; 57:87-94. [PMID: 27498223 PMCID: PMC6059373 DOI: 10.1016/j.ntt.2016.07.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 07/03/2016] [Accepted: 07/29/2016] [Indexed: 02/07/2023]
Abstract
Prenatal exposure to tobacco has consistently predicted later problem behavior for children. However, little is known about developmental mechanisms underlying this association. We examined a conceptual model for the association between prenatal tobacco exposure and child problem behavior in toddlerhood via indirect paths through fetal growth, maternal depression, and maternal aggressive disposition in early infancy and via maternal warmth and sensitivity and infant negative affect in later infancy. The sample consisted of 258 mother-child dyads recruited during pregnancy and assessed periodically at 2, 9, and 16months of child age. Pathways via maternal depression and infant negative affect to toddler problem behavior were significant. Further, combined tobacco and marijuana exposure during pregnancy and reduced fetal growth also demonstrated important associations with infant negative affect and subsequent problem behavior. These results highlight the importance of considering the role of maternal negative affect and poor fetal growth as risk factors in the context of prenatal exposure.
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Understanding Inequalities of Maternal Smoking--Bridging the Gap with Adapted Intervention Strategies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:E282. [PMID: 26959037 PMCID: PMC4808945 DOI: 10.3390/ijerph13030282] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 02/25/2016] [Accepted: 02/29/2016] [Indexed: 11/25/2022]
Abstract
Women who are generally part of socially disadvantaged and economically marginalized groups are especially susceptible to smoking during pregnancy but smoking rates are underreported in both research and interventions. While there is evidence to support the short-term efficacy of nicotine replacement therapy (NRT) use in pregnancy, long-term abstinence rates are modest. Current health strategies and interventions designed to diminish smoking in pregnancy have adopted a simplified approach to maternal smoking-one that suggests that they have a similar degree of choice to non-pregnant smokers regarding the avoidance of risk factors, and overlooks individual predictors of non-adherence. As a result, interventions have been ineffective among this high-risk group. For this reason, this paper addresses the multiple and interacting determinants that must be considered when developing and implementing effective strategies that lead to successful smoking cessation: socioeconomic status (SES), nicotine dependence, social support, culture, mental health, and health services. Based on our review of the literature, we conclude that tailoring cessation programs for pregnant smokers may ultimately optimize NRT efficacy and reduce the prevalence of maternal smoking.
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The relationship between maternal depression and smoking cessation during pregnancy--a cross-sectional study of pregnant women from 15 European countries. Arch Womens Ment Health 2015; 18:73-84. [PMID: 25352316 DOI: 10.1007/s00737-014-0470-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Accepted: 10/18/2014] [Indexed: 12/16/2022]
Abstract
Epidemiologic studies have reported an association between depression and continuing smoking during pregnancy. However, differences in study design and methodology challenge study comparability. The purpose of this study was to examine the relationship between maternal depression and continuing smoking among pregnant European women while adjusting for maternal characteristics. This multinational, web-based study evaluated pregnant women in 15 European countries recruited from October 2011 to February 2012. Data on depression status, smoking habits, maternal socio-demographic characteristics, and life-style factors were collected via an anonymous online questionnaire. Associations were estimated with logistic regression. Of 4,295 women included, 1,481 (34.5 %) reported smoking before pregnancy, and 391 (26.4 %) continued smoking during pregnancy whereof 127 (32.5 %) were depressed. The association between depression and continuing smoking during pregnancy were uniform across the European countries (OR 2.02, 95 % CI 1.50-2.71), with about twice the prevalence of continuing smoking among the depressed. There was a strong relationship between continuing smoking in pregnancy and low education level (OR 4.46, 95 % CI 2.72-7.32), which coincided with risky pregnancy behavior such as failure to attend pregnancy/birth preparation courses (OR 1.80, 95 % CI 1.19-2.72) and follow recommended use of folic acid (OR 1.81, 95 % CI 1.23-2.65). Women who perceived the risk for the fetus of continued smoking during pregnancy as higher were the least likely to continue smoking during pregnancy (OR 0.72, 95 % CI 0.68-0.77). This underlines the clustering of risk in some pregnant women, and the results should guide antenatal care of depressed women struggling to quit smoking during pregnancy.
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Relationship of monoamine oxidase-A distribution volume to postpartum depression and postpartum crying. Neuropsychopharmacology 2015; 40:429-35. [PMID: 25074638 PMCID: PMC4443957 DOI: 10.1038/npp.2014.190] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 05/30/2014] [Accepted: 07/07/2014] [Indexed: 12/19/2022]
Abstract
Postpartum depression (PPD) has a prevalence rate of 13% and a similarly high proportion of women report a subclinical state of one or more major depressive episode symptoms. The aim was to investigate whether monoamine oxidase-A (MAO-A) VT, an index of MAO-A density, is increased in the prefrontal and anterior cingulate cortex (PFC and ACC), during PPD or when a PPD spectrum symptom, greater predisposition to crying, is present. MAO-A is an enzyme that increases in density after estrogen decline, and has several functions including creating oxidative stress, influencing apoptosis and monoamine metabolism. Fifty-seven women were recruited including 15 first-onset, antidepressant naive, PPD subjects, 12 postpartum healthy who cry due to sad mood, 15 asymptomatic postpartum healthy women, and 15 healthy women not recently pregnant. Each underwent [(11)C]-harmine positron emission tomography scanning to measure MAO-A VT. Both PPD and greater predisposition to crying were associated with greater MAO-A VT in the PFC and ACC (multivariate analysis of variance (MANOVA), group effect, F21,135=1.856; p=0.019; mean combined region elevation 21% and 14% in PPD and crying groups, respectively, relative to postpartum asymptomatic). Greater MAO-A VT in the PFC and ACC represents a new biomarker in PPD, and the PPD symptom of predisposition to crying. Novel strategies for preventing PPD (and some PPD symptoms) may be possible by avoiding environmental conditions that elevate MAO-A level and enhancing conditions that normalize MAO-A level. These findings also argue for clinical trials in PPD with the newer, well-tolerated MAO-A inhibitor antidepressants.
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Perinatal smoking and depression in women with concurrent substance use. Addict Behav 2014; 39:749-56. [PMID: 24447885 DOI: 10.1016/j.addbeh.2013.12.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 11/21/2013] [Accepted: 12/04/2013] [Indexed: 10/25/2022]
Abstract
OBJECTIVE The purpose of this report was to examine the course of smoking among pregnant women with concurrent substance use, and to assess the impact of depression on smoking. METHODS Data were gathered as part of a randomized controlled trial assessing the efficacy of substance abuse treatment in pregnant women. Women (n=176) were recruited before 28 completed weeks of pregnancy, and followed until 3months postpartum. Depression was assessed using the Inventory of Depressive Symptomatology and the MINI Neuropsychiatric Interview. Our outcome was the average number of cigarettes smoked per day. Linear mixed effects regression was used to measure differential changes in smoking. RESULTS 66% of women smoked in the three months before pregnancy, 42% of pre-pregnancy smokers achieved abstinence before delivery and 60% of the baseline cohort smoked postpartum. Smoking did not differ significantly between depressed and non-depressed groups. After delivery both groups increased smoking at similar rates. CONCLUSION Smoking was common among our cohort of pregnant women with a history of substance use. Women were able to discontinue or decrease smoking during pregnancy, but were likely to resume or increase smoking postpartum. Having clinically significant depressive symptoms or a diagnosis of depression did not have an obvious effect on smoking behaviors.
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Relations of maternal psychopathologies, social-obstetrical factors and mother-infant bonding at 2-month postpartum: a sample of Turkish mothers. World J Pediatr 2013; 9:350-5. [PMID: 24146177 DOI: 10.1007/s12519-013-0432-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2012] [Accepted: 06/21/2012] [Indexed: 10/26/2022]
Abstract
BACKGROUND The mental health of the mother influences early mother-infant relationship. This study aimed to explore the relations between maternal psychopathologies, particularly postpartum depression, social-obstetrical factors and mother-infant bonding. METHODS One hundred and eighty-nine mother-infant pairs who participated in the longitudinal study entitled "Mother-Infant Care Study" were evaluated at the second month postpartum. The Brief Symptom Inventory (BSI) had been applied to all mothers in the first 3 days postpartum. At the second month postpartum, mothers were assessed with the Edinburgh Postpartum Depression Scale (EPDS), Postpartum Bonding Questionnaire (PBQ), and Mother-Infant Bonding Scale (MIBS). RESULTS The mean maternal age was 25.1 (± 5.2) years. The EPDS scores were higher in the mothers who had been supported lifelong by a psychologist due to psychological problems, had a birth interval of ≤ 2 years, and had smoking habits at the second month postpartum. Mothers with a female infant had higher PBQ score than those with a male infant. The EPDS score was correlated positively with the PBQ and MIBS scores. There were positive correlations between the EDS scores and all subscales of PBQ and MIBS scores. Some subscales and indexes of the BSI were correlated with the PBQ, MIBS and EPDS scores. CONCLUSION Identifying postpartum depression and other psychopathologies in mothers is critical for prevention of mother-infant bonding impairment in the early postpartum period.
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Pregnant Turkish women with low income: their anxiety, health-promoting lifestyles, and related factors. Int J Nurs Pract 2013; 19:507-15. [PMID: 24093742 DOI: 10.1111/ijn.12093] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This paper presents anxiety levels, health-promoting lifestyles and related factors among pregnant Turkish women with low income. A descriptive correlation and cross-sectional study was conducted at a state maternity hospital in Western Turkey. The paper reports on the data (n = 195) from the Spielberg State and Trait Anxiety Inventory (STAI), the Health-Promoting Lifestyle Profile (HPLP) and a sociodemographic questionnaire. The average HPLP score was low (mean 2.57, SD 0.42). The average STAI score was high (40.67 ± 9.48; 46.40 ± 8.09, respectively). A significant relation was detected between the trait anxiety, state anxiety, antenatal visit, perception of social support, living environment, family type and HPLP (P < 0.05). A moderately negative relation was detected between the mean STAI and HPLP scores. The findings indicate information and data should be provided for service planning and community care to support pregnant Turkish women with low income in communities.
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Abstract
This study examined trajectories of smoking during pregnancy among low-income smokers and differences on demographics, psychopathology, and smoking outcome expectancies among women with different smoking trajectories. The sample consisted of 215 urban pregnant smokers living in the United States. Results indicated four trajectories of smoking and significant changes over time within each trajectory. Persistent smokers had the highest demographic and mental health risks, reported higher craving compared to light smokers, and were more likely to endorse smoking to reduce negative affect, for state enhancement motives. Implications for intervention are discussed. The study was funded by the National Institute on Drug Abuse.
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Psychological differences between smokers who spontaneously quit during pregnancy and those who do not: a review of observational studies and directions for future research. Nicotine Tob Res 2012; 15:307-19. [PMID: 22949579 DOI: 10.1093/ntr/nts142] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
INTRODUCTION Although remarkable interindividual differences among pregnant smokers' decision/ability to quit have been documented, the psychological factors that may account for these differences have received less attention and comprised the primary aim of this review. METHODS We searched the medical and behavioral sciences literature from 1996 to November 2011 using PubMed and PsycINFO(®). Fifty-one articles were identified based on titles or abstracts. These articles were reviewed in full and searched for quantitative observational studies of population-based or clinical samples, with the main topic of comparing smokers who quit spontaneously during pregnancy with those who did not, utilizing multivariable analyses. RESULTS The eight pertinent studies reviewed herein included four longitudinal studies and four cross-sectional analyses. Amidst significant variability among measures used, social support, depressive symptoms, and anxiety appeared unrelated to smoking cessation during pregnancy. Furthermore, when severity of nicotine dependence was controlled, maternal history of attention-deficit/hyperactivity disorder, depression, bipolar disorder, and schizophrenia all showed no independent relationship with smoking cessation during pregnancy, whereas maternal history of conduct disorder did. Secure attachment, prosocial personality, self-esteem, and perceived parenting competence were additional predictors of cessation during pregnancy. CONCLUSIONS A greater understanding of psychological factors that differentiate smokers who spontaneously quit during pregnancy from those who do not is crucial to the design of more effective prenatal smoking cessation interventions and also may elucidate causal mechanisms that underlie the well-established link between maternal smoking during pregnancy and offspring behavioral problems. Directions for future research and public health and policy implications are discussed.
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Smoking during consecutive pregnancies among primiparous women in the population-based Norwegian Mother and Child Cohort Study. Nicotine Tob Res 2012; 15:428-34. [PMID: 22855885 DOI: 10.1093/ntr/nts147] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
INTRODUCTION This study investigated changes in smoking behavior across pregnancies in a sample of 10,890 primiparous women participating in the prospective population-based Norwegian Mother and Child Cohort Study (MoBa) in order to identify risk factors that may inhibit smoking cessation and promote smoking during a woman's second pregnancy. METHODS Registry information regarding smoking, age, marital status, parity, and year of birth was applied, in addition to questionnaire assessments of own and partner's smoking behavior, educational attainment, and symptoms of anxiety and depression at weeks 17 and 30 of gestation from both pregnancies. RESULTS The vast majority did not smoke in either of the pregnancies, and more women quit smoking than relapsed to smoking in their second pregnancy. Among smokers in the first pregnancy, 30.9% quit smoking by their second pregnancy. Women living with a nonsmoking partner or a partner who quit between pregnancies were more likely to quit smoking, as were women smoking occasionally in their first pregnancy. Symptoms of psychological distress and increasing number of years between pregnancies were negatively associated with smoking cessation. Among women not smoking in their first pregnancy, 2.3% did smoke during their second. Living with a smoking partner, low educational attainment, symptoms of psychological distress, and increasing number of years between pregnancies were all associated with smoking during the second pregnancy. CONCLUSIONS These findings, linking smoking behavior to changes taking place between pregnancies, offer new and additional insight into modifiable risk factors that may help facilitate more targeted smoking cessation interventions for women at the highest risk.
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The association of maternal mental health with prenatal smoking cessation and postpartum relapse in a population-based sample. Matern Child Health J 2012; 16:685-93. [PMID: 21369723 DOI: 10.1007/s10995-011-0764-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
To examine the association between mental health factors with smoking cessation during pregnancy and postpartum relapse. We used data from 1,416 women who participated in the Minnesota Pregnancy Risk Assessment Monitoring System survey in 2004-2006 and reported smoking immediately prior to pregnancy. Maternal mood during pregnancy, stressful life events and postpartum depression were the mental health variables. We used multivariate logistic regression to examine the association between these variables and two outcomes, smoking cessation during pregnancy and postpartum relapse. Stressful life events was associated with smoking cessation in multivariate regression models, however maternal mood was not. Smoking cessation was also associated with pre-conception smoking intensity, maternal education, and income. Maternal mood, stressful life events and postpartum depression were not associated with relapse in multivariate regression models. Breastfeeding at the time of the survey was the strongest correlate of relapse, with women who breast fed 60% less likely to resume smoking during the postpartum. Post-hoc analysis suggests that mental health variables may interact with other mitigating factors to influence smoking behavior during pregnancy. Mental health variables may be important to successful prenatal smoking cessation. Further research with larger sample sizes is needed to explore the possibility of interactive relationships between mental health variables and other co-factors on prenatal smoking cessation and postpartum relapse.
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Abstract
AIMS To investigate associations between maternal stress and smoking prior to, during and 6 months after the pregnancy. DESIGN A prospective population-based cohort study. SETTING Norway. PARTICIPANTS A total of 71 757 women in the Norwegian Mother and Child Cohort Study (MoBa) participating twice during pregnancy and at 6 months postpartum. MEASUREMENTS Respondents' estimates of anxiety and depression, relationship discord and negative life events were measured, along with self-reports of smoking behaviour and demographic variables. Smoking was assessed at gestation weeks 17 and 30 and at 6 months postpartum. FINDINGS Of the 27.5% women who smoked at conception, 55.8% quit smoking during pregnancy. At 6 months postpartum, 28.9% of quitters had relapsed to smoking. In total, 12.9% of the sample reported smoking during the pregnancy. Adjusted for well-known risk factors, women reporting high levels of anxiety and depression had a decreased likelihood of quitting smoking during pregnancy [odds ratio (OR) 0.80, 95% confidence interval (CI): 0.73, 0.88) and an increased likelihood of relapsing after delivery (OR 1.26, 95% CI: 1.11, 1.44). Both relationship discord (OR 0.82, 95% CI: 0.75, 0.90) and exposure to negative life events (OR 0.93, 95%: CI 0.90, 0.96) had a negative influence on quitting smoking during pregnancy but had no influence on relapse to smoking postpartum. CONCLUSIONS Maternal stress and relationship discord may inhibit smoking cessation during pregnancy and promote resumption of smoking after pregnancy in women who have achieved abstinence.
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Abstract
The rate of preterm births is very high in Hungary; it was 8.9% of the total livebirths in 2010. Preterm birth (<37 weeks) has a considerable health impact, because it is responsible for 85% of infant mortality and morbidity as well as for numerous chronic diseses in the long-term. Many maternal and fetal diseases can be identified in the background, but in a number of cases, preterm labor begins unexpectedly, without any prodrome. Presumably, the socioeconomic background and the presence of harmful lifestyle factors are related to preterm birth in these cases. Tobacco smoking is the most frequent harmful health behavior. At national level, the rate of smoking during pregnancy was 14.4% in the last 13 years, but in some counties, this proportion mounted to 25%. In these counties, the prevalence of preterm births also exceeds the national average. This summary highlights the factors related to disadvantaged socio-economic status that can be responsible for the higher number of preterm birth cases.
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Abstract
The current study examined predictors of past 30-day cigarette use among a US nationally representative sample of pregnant women over the age of 18 (N = 1,782). The study consisted of secondary data analysis of the 2005-2007 survey years of the National Survey on Drug Use and Health (NSDUH). Logistic regression analyses indicated that low-income women, those who experienced mental health problems in the past year, and women who experienced legal problems were more likely to smoke during pregnancy. Limitations to the study as well as implications for future research are discussed.
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Relationships between self-reported smoking, household environmental tobacco smoke exposure and depressive symptoms in a pregnant minority population. Matern Child Health J 2012; 15 Suppl 1:S65-74. [PMID: 21928117 DOI: 10.1007/s10995-011-0876-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
UNLABELLED This study sought to examine relationships between depressive symptoms and prenatal smoking and/or household environmental tobacco smoke exposure (HH-ETSE) among urban minority women. We analyzed private, audio computer-assisted self interview data from a clinic-based sample of 929 minority pregnant women in Washington, DC. Depressive symptoms were assessed via the Beck Depression Inventory Fast Screen. HH-ETSE, current smoking, and former smoking were assessed via self-report. Depression levels and demographic characteristics were compared: (1) among nonsmokers, for those reporting HH-ETSE versus no HH-ETSE; and (2) among smokers, for those reporting current smoking (in last 7 days) versus former smokers. Measures associated with HH-ETSE/current smoking in bivariate analysis at P < 0.20 were included in adjusted logistic regression models. HH-ETSE, as a possible indicator of a social smoking network, was assessed as a mediator for the relationship between depression and current smoking. RESULTS Non-smokers reporting moderate-to-severe depressive symptoms showed significantly higher adjusted odds of prenatal HH-ETSE (AOR 2.5, 95% CI [1.2, 5.2]). Smokers reporting moderate-to-severe or mild depressive symptoms showed significantly higher adjusted odds of current smoking (AOR 1.9, 95% CI [1.1, 3.5] and AOR 1.8, 95% CI [1.1, 3.1], respectively). Among smokers, HH-ETSE was a significant mediator for the association between moderate-to-severe symptoms and current smoking. In conclusion, health care providers should be aware that depressed urban minority women are at risk of continued smoking/HH-ETSE during pregnancy. Interventions designed to encourage behavior change should include screening for depression, and build skills so that women are better able to address the social environment.
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Coping Strategies and Perceived Stress in Pregnant Smokers Seeking Help for Cessation. J Smok Cessat 2012. [DOI: 10.1375/jsc.6.2.126] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
AbstractDespite substantial efforts to decrease its prevalence, it is estimated that more than 20% of French women continue to smoke during pregnancy. The aim of this study was to assess the perceived stress and coping strategies used by pregnant smokers when they seek help to stop smoking. Eighty pregnant women were involved. Pregnant women who stated their intention to quit smoking (n= 40) were compared with pregnant nonsmokers (n= 40). All participants filled out the Brief Cope (BC), the Perceived Stress Scale (PSS) and the Hospital Anxiety Depression Scale (HADS). In addition to these self-report scales, pregnant smokers completed the Fagerström Tolerance Questionnaire (FTQ). The results show that pregnant women who smoked used less active coping, planning, and positive framing, considered a good adaptive strength, and had significantly elevated scores on perceived stress and anxiety scales than nonsmokers. This research is the first to provide Brief Cope results for pregnant smokers seeking help to stop smoking linked to perceived stress. The results obtained contribute to the well-known psychosocial factors in maintaining smoking during pregnancy and will be used in the implementation of more effective intervention programs among pregnant women.
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Smoking during pregnancy and associated risk factors in a sample of Romanian women. Eur J Public Health 2010; 22:229-33. [DOI: 10.1093/eurpub/ckq189] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Relative deprivation and child health in the USA. Soc Sci Med 2010; 71:777-85. [DOI: 10.1016/j.socscimed.2010.03.058] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Revised: 01/20/2010] [Accepted: 03/24/2010] [Indexed: 11/29/2022]
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Defining "smoker": college student attitudes and related smoking characteristics. Nicotine Tob Res 2010; 12:963-9. [PMID: 20675365 DOI: 10.1093/ntr/ntq123] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
INTRODUCTION Less than half of college students who have smoked in the past month identify themselves as smokers. Thus, we examined (a) how college students define the term "smoker" and (b) how this definition impacts smoking behavior and attitudes. METHODS We conducted 12 focus groups with a total of 73 college student smokers drawn from survey participants at two colleges in Minnesota (a two-year technical college and a four-year university). Each group was homogenous in terms of gender and school (two-year, four-year). RESULTS The majority (56.2%) were female, 49.3% attended a 2-year college, and 32.9% were regular smokers (smoked > or = 25 of the last 30 days). Participants described a "smoker" in terms of (a) smoking frequency, ranging from smoking infrequently to smoking daily; (b) contextual factors, such that smoking alone indicates being a smoker rather than smoking at parties; (c) time since initiation; (d) whether one purchases cigarettes, such that "smokers" buy cigarettes while nonsmokers borrow them; (e) addiction and being able to quit without great effort; (f) whether smoking is habitual; and (g) personality and physical characteristic. These beliefs had implications on experiences in quitting smoking, motivation to quit, and perceived barriers. Many participants indicated confidence in being able to quit but believed that they were not "smokers" and thus did not need to quit. DISCUSSION College students use a broad range of criteria to define who is a smoker. These criteria impact how motivated students are to quit smoking and their perception of needing to "quit smoking."
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Psychosocial stress during pregnancy. Am J Obstet Gynecol 2010; 202:61.e1-7. [PMID: 19766975 DOI: 10.1016/j.ajog.2009.07.041] [Citation(s) in RCA: 242] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2009] [Revised: 05/20/2009] [Accepted: 07/16/2009] [Indexed: 12/14/2022]
Abstract
OBJECTIVE We sought to identify factors associated with high antenatal psychosocial stress and describe the course of psychosocial stress during pregnancy. STUDY DESIGN We performed a cross-sectional analysis of data from an ongoing registry. Study participants were 1522 women receiving prenatal care at a university obstetric clinic from January 2004 through March 2008. Multiple logistic regression identified factors associated with high stress as measured by the Prenatal Psychosocial Profile stress scale. RESULTS The majority of participants reported antenatal psychosocial stress (78% low-moderate, 6% high). Depression (odds ratios [OR], 9.6; 95% confidence interval [CI], 5.5-17.0), panic disorder (OR, 6.8; 95% CI, 2.9-16.2), drug use (OR, 3.8; 95% CI, 1.2-12.5), domestic violence (OR, 3.3; 95% CI, 1.4-8.3), and having > or =2 medical comorbidities (OR, 3.1; 95% CI, 1.8-5.5) were significantly associated with high psychosocial stress. For women who screened twice during pregnancy, mean stress scores declined during pregnancy (14.8 +/- 3.9 vs 14.2 +/- 3.8; P < .001). CONCLUSION Antenatal psychosocial stress is common, and high levels are associated with maternal factors known to contribute to poor pregnancy outcomes.
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Smoking Among Pregnant Women with Medicaid Insurance: Are Mental Health Factors Related? Matern Child Health J 2009; 14:971-7. [DOI: 10.1007/s10995-009-0530-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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An overview of principles of effective treatment of substance use disorders and their potential application to pregnant cigarette smokers. Drug Alcohol Depend 2009; 104 Suppl 1:S106-14. [PMID: 19540679 PMCID: PMC2738623 DOI: 10.1016/j.drugalcdep.2009.05.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2008] [Revised: 05/09/2009] [Accepted: 05/21/2009] [Indexed: 11/20/2022]
Abstract
Cigarette smoking remains a leading preventable cause of poor pregnancy outcomes and infant morbidity and mortality. Despite three decades of research encompassing more than 60 trials and 20,000 pregnant women, cessation rates produced by existing interventions are often low (<20%), especially among socioeconomically disadvantaged women. This has led to a call for the development and testing of novel interventions. One strategy for identifying novel interventions for pregnant smokers is to examine efficacious interventions for other types of substance use disorders (SUDs). Pregnant smokers share many sociodemographic similarities with other sub-populations of individuals with SUDs, suggesting that interventions efficacious with the latter may also benefit the former. The National Institute on Drug Abuse's guide, "Principles of Drug Addiction Treatment: A Research-based Guide", presents empirically validated principles of effective treatments for other SUDs. The present report enumerates these principles, briefly describes some of the empirical evidence supporting them, and explores their potential application to the treatment of smoking during pregnancy. Overall, the results of this exercise suggest much promise for enhancing treatment outcomes for pregnant smokers by borrowing from and extending what has been learned with other populations with SUDs.
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Depressive symptoms predict smoking status among pregnant women. Addict Behav 2009; 34:705-8. [PMID: 19411145 DOI: 10.1016/j.addbeh.2009.04.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2008] [Revised: 04/01/2009] [Accepted: 04/09/2009] [Indexed: 11/20/2022]
Abstract
The current study assessed self-reported psychopathology in women who spontaneously quit or continued smoking after learning that they are pregnant and examined whether any potential differences remained after control for confounding variables. All participants (77 smokers and 50 spontaneous quitters) completed 3 assessments of psychological functioning prior to enrollment in either smoking cessation or relapse prevention studies. Assessments included the Brief Symptom Inventory (BSI); the Beck Depression Inventory (BDI); and the Adult Self-Report (ASR). Smokers and spontaneous quitters differed on sociodemographic and smoking characteristics. In terms of psychological functioning, smokers reported significantly more depression/anxiety symptoms and withdrawn behavior than spontaneous quitters on the BSI and the ASR. Higher depression scores on the BSI were associated with increased odds of continued smoking, even after controlling for sociodemographic and smoking variables in multivariate analyses. These results suggest that depressive symptoms may be an independent contributor to the problem of continued smoking during pregnancy, which may have implications for smoking-cessation interventions among pregnant women.
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Ultrasound feedback and motivational interviewing targeting smoking cessation in the second and third trimesters of pregnancy. Nicotine Tob Res 2009; 11:961-8. [PMID: 19553282 PMCID: PMC2711985 DOI: 10.1093/ntr/ntp095] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2008] [Accepted: 03/05/2009] [Indexed: 11/13/2022]
Abstract
INTRODUCTION Cigarette smoking during pregnancy is associated with poor maternal and child health outcomes. Effective interventions to increase smoking cessation rates are needed particularly for pregnant women unable to quit in their first trimester. Real-time ultrasound feedback focused on potential effects of smoking on the fetus may be an effective treatment adjunct, improving smoking outcomes. METHODS A prospective randomized trial was conducted to evaluate the efficacy of a smoking cessation intervention consisting of personalized feedback during ultrasound plus motivational interviewing-based counseling sessions. Pregnant smokers (N = 360) between 16 and 26 weeks of gestation were randomly assigned to one of three groups: Best Practice (BP) only, Best Practice plus ultrasound feedback (BP+US), or Motivational Interviewing-based counseling plus ultrasound feedback (MI+US). Assessments were conducted at baseline and end of pregnancy (EOP). RESULTS Analyses of cotinine-verified self-reported smoking status at EOP indicated that 10.8% of the BP group was not smoking at EOP; 14.2% in the BP+US condition and 18.3% who received MI+US were abstinent, but differences were not statistically significant. Intervention effects were found conditional upon level of baseline smoking, however. Nearly 34% of light smokers (< or =10 cigarettes/day) in the MI+US condition were abstinent at EOP, followed by 25.8% and 15.6% in the BP+US and BP conditions, respectively. Heavy smokers (>10 cigarettes/day) were notably unaffected by the intervention. DISCUSSION Future research should confirm benefit of motivational interviewing plus ultrasound feedback for pregnant light smokers and explore mechanisms of action. Innovative interventions for pregnant women smoking at high levels are sorely needed.
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The association of depressive, anxiety, and stress symptoms and postpartum relapse to smoking: a longitudinal study. Nicotine Tob Res 2009; 11:707-14. [PMID: 19436040 DOI: 10.1093/ntr/ntp053] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
INTRODUCTION The aim of this prospective repeated measures, mixed-methods observational study was to assess whether depressive, anxiety, and stress symptoms are associated with postpartum relapse to smoking. METHODS A total of 65 women who smoked prior to pregnancy and had not smoked during the last month of pregnancy were recruited at delivery and followed for 24 weeks. Surveys administered at baseline and at 2, 6, 12, and 24 weeks postpartum assessed smoking status and symptoms of depression (Beck Depression Inventory [BDI]), anxiety (Beck Anxiety Inventory [BAI]), and stress (Perceived Stress Scale [PSS]). In-depth interviews were conducted with women who reported smoking. RESULTS Although 92% of the participants reported a strong desire to stay quit, 47% resumed smoking by 24 weeks postpartum. Baseline factors associated with smoking at 24 weeks were having had a prior delivery, not being happy about the pregnancy, undergoing counseling for depression or anxiety during pregnancy, and ever having struggled with depression (p < .05). In a repeated measures regression model, the slope of BDI scores from baseline to the 12-week follow-up differed between nonsmokers and smokers (-0.12 vs. +0.11 units/week, p = .03). The slope of PSS scores also differed between nonsmokers and smokers (-0.05 vs. +0.08 units/week, p = .04). In qualitative interviews, most women who relapsed attributed their relapse and continued smoking to negative emotions. DISCUSSION Among women who quit smoking during pregnancy, a worsening of depressive and stress symptoms over 12 weeks postpartum was associated with an increased risk of smoking by 24 weeks.
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Le tabagisme gravidique. Étude descriptive et facteurs pronostiques d’arrêt du tabac pendant la grossesse. ACTA ACUST UNITED AC 2009; 38:155-60. [DOI: 10.1016/j.jgyn.2008.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2007] [Revised: 10/02/2008] [Accepted: 10/03/2008] [Indexed: 11/22/2022]
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Psychosocial problems and continued smoking during pregnancy. Addict Behav 2009; 34:403-6. [PMID: 19070436 DOI: 10.1016/j.addbeh.2008.11.006] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Revised: 10/03/2008] [Accepted: 11/14/2008] [Indexed: 11/24/2022]
Abstract
The present study examined the association of several psychosocial problems with continued smoking during pregnancy. Based on a population-based cohort study among pregnant women in Amsterdam (n=8266), women who smoked before pregnancy were included in this study (n=1947). Women completed a questionnaire around the 12th week of gestation. Based on whether they smoked in the past week, participants were categorized as quitters or non-quitters. Depressive symptoms (CES-D), anxiety (STAI), pregnancy-related anxiety, job strain, parenting stress and physical/sexual violence were measured. Multiple logistic regression analyses were performed. After adjustment for sociodemographic and smoking-related covariates, low and high levels of pregnancy-related anxiety, exposure to physical/sexual violence, and high job strain were significantly associated with continued smoking during pregnancy. Intensive and comprehensive smoking cessation programs are required for pregnant women, which includes the management of psychosocial problems.
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Spontaneous preterm birth and small for gestational age infants in women who stop smoking early in pregnancy: prospective cohort study. BMJ 2009; 338:b1081. [PMID: 19325177 PMCID: PMC2661373 DOI: 10.1136/bmj.b1081] [Citation(s) in RCA: 186] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES To compare pregnancy outcomes between women who stopped smoking in early pregnancy and those who either did not smoke in pregnancy or continued to smoke. DESIGN Prospective cohort study. SETTING Auckland, New Zealand and Adelaide, Australia. PARTICIPANTS 2504 nulliparous women participating in the Screening for Pregnancy Endpoints (SCOPE) study grouped by maternal smoking status at 15 (+/-1) week's gestation. MAIN OUTCOME MEASURES Spontaneous preterm birth and small for gestational age infants (birth weight <10th customised centile). We compared odds of these outcomes between stopped smokers and non-smokers, and between current smokers and stopped smokers, using logistic regression, adjusting for demographic and clinical risk factors. RESULTS 80% (n=1992) of women were non-smokers, 10% (n=261) had stopped smoking, and 10% (n=251) were current smokers. We noted no differences in rates of spontaneous preterm birth (4%, n=88 v 4%, n=10; adjusted odds ratio 1.03, 95% confidence interval l0.49 to 2.18; P=0.66) or small for gestational age infants (10%, n=195 v 10%, n=27; 1.06, 0.67 to 1.68; P=0.8) between non-smokers and stopped smokers. Current smokers had higher rates of spontaneous preterm birth (10%, n=25 v 4%, n=10; 3.21, 1.42 to 7.23; P=0.006) and small for gestational age infants (17%, n=42 v 10%, n=27; 1.76, 1.03 to 3.02; P=0.03) than stopped smokers. CONCLUSION In women who stopped smoking before 15 weeks' gestation, rates of spontaneous preterm birth and small for gestational age infants did not differ from those in non-smokers, indicating that these severe adverse effects of smoking may be reversible if smoking is stopped early in pregnancy.
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Smoking is associated with worse mood on stressful days: results from a national diary study. Ann Behav Med 2008; 36:259-69. [PMID: 19067100 DOI: 10.1007/s12160-008-9068-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2007] [Indexed: 10/21/2022] Open
Abstract
BACKGROUND Many smokers report smoking because it helps them modulate their negative affect (NA). The stress induction model of smoking suggests, however, that smoking causes stress and concomitant NA. Empirical support for the stress induction model has primarily derived from retrospective reports and experimental manipulations with non-representative samples of smokers. Moreover, prior studies have typically not considered contextual factors (e.g., daily stressors) that may impact the smoking-NA relationship. PURPOSE The aim of this study was to assess the stress induction model of smoking using a prospective design in a nationally representative sample of smokers while simultaneously examining the impact of daily stressors on the relationship between smoking and NA. We hypothesized that smoking and NA would be positively related, and this relationship would be intensified by exposure to daily stressors. METHODS A national sample of middle-aged smokers (N = 256) were called on eight consecutive evenings to assess stressor exposure and intensity. Participants also reported on their daily NA and indicated the number of cigarettes they smoked. Analyses were conducted using hierarchical linear modeling to determine the relationship between daily smoking, NA, and stress. RESULTS Smoking more than usual was associated with increased NA on days when respondents were exposed to any stressors. Smoking more than usual had no effect on NA on days when no stressors were encountered. Moreover, the moderating effect of stressor exposure remained significant even after controlling for the number and intensity of daily stressors reported. CONCLUSIONS While smokers report that smoking alleviates their NA, our study suggests that the exact opposite may occur, particularly on stressful days. When smokers smoke more than usual on days when the encounter stress, they are likely to feel emotionally worse off.
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Abstract
AIMS To describe: (i) three alternative conceptual frameworks used by economists to study addictive behaviors: rational, imperfectly rational and irrational addiction; (ii) empirical economic evidence on each framework and specific channels to explain adult smoking matched to the frameworks; and (iii) policy implications for each framework. METHODS A systematic review and appraisal of important theoretical and empirical economic studies on smoking. RESULTS There is some empirical support for each framework. For rational and imperfectly rational addiction there is some evidence that anticipated future cigarette prices influence current cigarette consumption, and quitting costs are high for smokers. Smokers are more risk-tolerant in the financial domain than are others and tend to attach a lower value to being in good health. Findings on differences in rates of time preference by smoking status are mixed; however, short-term rates are higher than long-term rates for both smokers and non-smokers, a stylized fact consistent with hyperbolic discounting. The economic literature lends no empirical support to the view that mature adults smoke because they underestimate the probability of harm to health from smoking. In support of the irrationality framework, smokers tend to be more impulsive than others in domains not related directly to smoking, implying that they may be sensitive to cues that trigger smoking. CONCLUSIONS Much promising economic research uses the imperfectly rational addiction framework, but empirical research based on this framework is still in its infancy.
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The role of negative affect in risk for early lapse among low distress tolerance smokers. Addict Behav 2008; 33:1394-1401. [PMID: 18684569 DOI: 10.1016/j.addbeh.2008.06.018] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2008] [Revised: 06/23/2008] [Accepted: 06/24/2008] [Indexed: 11/16/2022]
Abstract
Individual differences in the ability to tolerate negative affect due to psychological and/or physical discomfort (e.g., distress tolerance) are emerging as an important predictor of smoking cessation outcomes. The purpose of this study was to build on existing evidence by exploring the relationship between levels of distress tolerance (DT) and negative affect on quit date in relation to risk for early lapse. Eighty-one smokers (48% female; M age=42.6 years) who completed laboratory-based, behavioral distress tolerance tasks prior to an unaided quit attempt were categorized into low, average, and high persistence on the tasks. Low persistence smokers were significantly more likely to lapse on the assigned quit day. Among smokers able to achieve abstinence on quit day, low persistence smokers demonstrated higher levels of negative affect and urges compared to high persistence smokers. Further, negative affect-related risk for early lapse was strongest among those with low persistence. These findings suggest that smokers low in distress tolerance may be particularly vulnerable to very early lapse to smoking and that increases in negative affect may contribute to the risk for early lapse in this high-risk group of smokers.
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Abstract
We used a consumer-driven approach to develop a model smoking-cessation program for women. Four focus groups (N = 23 [5-7/group]), each lasting 2 hours, were led by a professional moderator and audiotaped in 2004. Researchers reviewed transcripts; key themes were identified using scrutiny techniques (Ryan and Bernard, 2003). Necessary elements of a smoking-cessation program for women included support and choice (i.e., control over the program components), suggesting the need for an individualized program. Identifying appropriate components is a critical step in the development of efficacious programs that target substance-abusing populations; focus group methodology is useful in this endeavor. The study's implications and limitations are noted.
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Abstract
OBJECTIVE To examine published evidence on the effectiveness of mind-body interventions during pregnancy on perceived stress, mood, and perinatal outcomes. DATA SOURCES Computerized searches of PubMed, Cinahl, PsycINFO, and the Cochrane Library. STUDY SELECTION Twelve out of 64 published intervention studies between 1980 and February 2007 of healthy, adult pregnant women met criteria for review. DATA EXTRACTION AND SYNTHESIS Studies were categorized by type of mind-body modality used. Progressive muscle relaxation was the most common intervention. Other studies used a multimodal psychoeducation approach or a yoga and meditation intervention. The research contained methodological problems, primarily absence of a randomized control group or failure to adequately control confounding variables. Nonetheless, there was modest evidence for the efficacy of mind-body modalities during pregnancy. Treatment group outcomes included higher birthweight, shorter length of labor, fewer instrument-assisted births, and reduced perceived stress and anxiety. CONCLUSIONS There is evidence that pregnant women have health benefits from mind-body therapies used in conjunction with conventional prenatal care. Further research is necessary to build on these studies in order to predict characteristics of subgroups that might benefit from mind-body practices and examine cost effectiveness of these interventions on perinatal outcomes.
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Homers regulate drug-induced neuroplasticity: implications for addiction. Biochem Pharmacol 2008; 75:112-33. [PMID: 17765204 PMCID: PMC2204062 DOI: 10.1016/j.bcp.2007.07.031] [Citation(s) in RCA: 103] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2007] [Revised: 07/22/2007] [Accepted: 07/23/2007] [Indexed: 12/20/2022]
Abstract
Drug addiction is a chronic, relapsing disorder, characterized by an uncontrollable motivation to seek and use drugs. Converging clinical and preclinical observations implicate pathologies within the corticolimbic glutamate system in the genetic predisposition to, and the development of, an addicted phenotype. Such observations pose cellular factors regulating glutamate transmission as likely molecular candidates in the etiology of addiction. Members of the Homer family of proteins regulate signal transduction through, and the trafficking of, glutamate receptors, as well as maintain and regulate extracellular glutamate levels in corticolimbic brain regions. This review summarizes the existing data implicating the Homer family of protein in acute behavioral and neurochemical sensitivity to drugs of abuse, the development of drug-induced neuroplasticity, as well as other behavioral and cognitive pathologies associated with an addicted state.
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Smoking cessation processes in low-SES women: the impact of time-varying pregnancy status, health care messages, stress, and health concerns. Addict Behav 2007; 32:1347-66. [PMID: 17097815 PMCID: PMC1994069 DOI: 10.1016/j.addbeh.2006.09.009] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2006] [Revised: 08/28/2006] [Accepted: 09/28/2006] [Indexed: 11/15/2022]
Abstract
UNLABELLED We tracked smoking outcomes - quitting, stage of readiness, action, motivation, self-efficacy, and confidence - over time among 943 low-SES women smokers accrued in an earlier smoking cessation intervention trial conducted in public health clinics. We assessed outcomes at 2, 6, 12 and 18 months post-initial clinic visit. Controlling for baseline characteristics and earlier program participation, we used hierarchical linear modeling to assess how intervening life events - pregnancy and exposure to subsequent clinic smoking interventions - affected smoking outcomes directly and indirectly, through the mediators, perceived stress and health concerns. RESULTS All longitudinal smoking outcomes were positively related to health concerns and negatively related to perceived stress. Pregnancy favorably influenced all smoking outcomes but confidence, but exposure to additional interventions affected only motivation. Health concerns and stress partially mediated the positive impact of pregnancy. CONCLUSION Public health efforts targeted to low-SES women smokers should continue to emphasize the benefits of quitting smoking for health maintenance and incorporate more effective stress-coping mechanisms. Pregnancy increases abstinence, but preventing post-delivery relapse may require stress management and re-focusing of health concerns.
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Abstract
We investigated the relative importance of sociodemographic factors and psychiatric disorders for smoking among 453 pregnant women in the National Epidemiological Survey on Alcohol and Related Conditions. Women with less than a high school education and those with current-year nicotine dependence had the highest risk of smoking (90.5%), compared with women with a college degree and without nicotine dependence (3.9%). More effective and accessible interventions for nicotine dependence among pregnant smokers are needed.
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