Characterizing the role of impaired control over alcohol in associations of impulsive personality traits with alcohol use as a function of depressive disorder

Impaired Control Over Gaming Scale (ICOGS): Development, confirmatory factor validation, and psychometric evaluation

Background and aims

The concept of impaired control is central to addictive disorders, including gaming disorder in the DSM-5 and ICD-11. Impaired control refers to the recurrent inability to resist impulses to engage in certain activities or behaviours and the failure to limit or stop this engagement. Although numerous screening tools for gaming disorder symptoms have been developed, these instruments have limited capacity for measuring the nature and extent of impaired control. To address this limitation, the present study reports on the creation of the Impaired Control Over Gaming Scale (ICOGS), an 8-item screening tool to assess gaming-related impaired control.

Methods

A total of 513 gamers, including 125 gamers (24.3%) who met the DSM-5 criteria for gaming disorder, were recruited from Prolific, an online crowd-sourcing platform.

Results

The ICOGS demonstrated promising psychometric properties. Exploratory and confirmatory factor analysis using two samples provided robust support for a 2-factor model and high internal consistency of the scale. ICOGS scores were significantly and positively associated with gaming disorder symptoms, gaming-related harms, gaming frequency, psychological distress, and neuroticism. Using receiver operating characteristic analysis, the ICOGS differentiated between non-problem gamers and those who met the criteria for GD.

Discussion and conclusions

Overall, the ICOGS appears to be a valid and reliable scale for use in studies of problem gaming, and may be useful for assessing outcomes of GD interventions that employ self-regulation and stopping techniques to reduce or eliminate problem gaming behavior.

Impaired control over drinking predicts changes in alcohol-related consequences over and above alcohol use and facets of impulsivity

The Theory of Planned Behavior (Ajzen, 1991) states that behavioral intention is the strongest determinant of human behavior. Impaired control (IC; Heather et al., 1993) reflects an intentional failure to consume less alcohol. Cross-sectional studies suggest that IC may mediate relations between impulsivity facets and drinking outcomes but there is only one prospective study examining ICS-Failed-Control (Leeman et al., 2009) and it did not account for effects of impulsivity-facets. Our study sought to address this gap in the literature by examining ICS-Failed-Control as a mediator of relations between impulsivity facets and alcohol-related consequences. We fit a three-wave cross-lagged panel model in a sample of 448 young adults (21-23) from an alcohol challenge study with longitudinal follow-ups (6 and 12 months). Participants completed the UPPS-P, TLFB Interview, the ICS-Failed-Control scale and the YAACQ. Although IC did not mediate effects of impulsivity on alcohol consequences, IC significantly predicted changes in alcohol-related problems at the12-month follow-up, accounting for effects of UPPS-P constructs as well as alcohol use. Lack of premeditation predicted change in alcohol use from baseline to 6-month follow-up and alcohol use (at 6-months) mediated the effect of premeditation (at baseline) on alcohol consequences (at 12-months). Our findings suggest that ICS-Failed-Control is not a mediator of the effects of impulsivity but is a unique predictor of consequences. Future studies should assess UPPS-P constructs earlier in adolescence to identify potential prospective links between UPPS-P constructs and IC.

Do Personality, Alcohol Abstinence Self-Efficacy, and Depressive Symptomatology Affect Abstinence Status in Treatment-Seeking Patients with Alcohol Use Disorder?

Given the high global incidence and disabling nature of alcohol use disorders, alongside high relapse rates, we sought to investigate potential predictors of abstinence, considered a prerequisite of full remission. With an aim to examine (i) the effect of personality, alcohol abstinence self-efficacy, and depressive symptomatology on abstinence status as our primary objective, and (ii) interactions between these three factors, as well as (iii) their changes over time as two secondary objectives, we recruited 51 inpatients at an alcohol rehabilitation center to complete the International Personality Item Pool, the Alcohol Abstinence Self-Efficacy Scale and the Beck Depression Inventory, and to provide information on abstinence attainment 2 months post-treatment. Although regression analyses revealed no evidence for the effect of the investigated factors (personality, self-efficacy, or depressive symptoms) on post-therapy abstinence, other findings emerged, demonstrating (i) a significant reduction in the severity of depressive symptoms, (ii) the effect of personality and alcohol abstinence self-efficacy on depressive symptom severity, and (iii) the role of personality in predicting the temptation to use alcohol in recovering drinkers. These preliminary indications of links between personality, self-efficacy, and subjective well-being mark a promising area for future research on powerful and relevant cues of relapse and abstinence efficacy.

Desire thinking as an underlying mechanism in alcohol use disorder and nicotine dependence

Desire thinking is an emerging construct in the addictive behaviours literature. No research, to date, has investigated its contribution to problematic alcohol use and nicotine dependence in patient samples when accounting for established predictors of addictive behaviours. The present study sought to clarify, in patient samples, the relative contribution of desire thinking in the associations between negative affect, impulsivity and thought suppression on the one hand and craving, problematic alcohol use and nicotine dependence on the other. To achieve this goal, two groups of individuals with alcohol use disorder (AUD) (n = 370; age range = 15-67 years) and nicotine dependence (n = 365; age range = 17-75 years) were selected, and measures of negative affect, impulsivity, thought suppression, craving, desire thinking, problematic alcohol use and nicotine dependence were completed by both groups. Results showed that in both groups, negative affect and thought suppression indirectly affected alcohol and nicotine craving, problematic alcohol use and nicotine dependence through the mediating role of desire thinking. The present study shows the independent role of desire thinking in predicting problematic alcohol use and nicotine dependence in patient samples, indicating its potential relevance for treatment.

Personality-Related Factors and Depressive Symptomatology Predict Behavioral Control in Patients With Alcohol Use Disorders

In the face of increasing social, economic, and health consequences of alcohol use disorders (AUDs) and limited effects of available treatment options, the search for novel prevention and management methods continues to remain a timely and valid endeavor. This, however, requires a better grasp of the theoretical framework underlying addiction mechanisms. With the goal to extend the existing body of evidence on AUDs, we set out to investigate the effect of personality-related factors and depressive symptomatology on (i) impulsivity, (ii) cognitive response inhibition, and (iii) the links between the two measures of behavioral control (different facets of impulsivity and response inhibition) in a treatment-seeking AUD sample. To this end, 53 male (n = 45) and female (n = 8) inpatients at an alcohol rehabilitation center completed three self-report questionnaires: the International Personality Item Pool (IPIP-50), the Beck Depression Inventory Second Edition (BDI-II) and the Barratt Impulsiveness Scale (BIS-11) and performed one behavioral task-an alcohol go/no go task. Regression analyses revealed conscientiousness, intellect, and depression level to be important potential predictors of self-report impulsivity and processing speed in recovering drinkers. No significant links were observed between the two measures of behavioral control, thus complementing evidence that while they both encompass behavioral under-regulation, they may indeed represent distinct psychological constructs.