Assessment and treatment of compulsive exercise in anorexia nervosa - A combined investigation of Compulsive Exercise Activity Therapy (LEAP) and Compulsive Exercise Test subscales.

INTRODUCTION: Compulsive exercise is a transdiagnostic feature of eating disorders which adversely affects aspects of recovery, such as length of hospitalisation, risk of a chronic outcome, and risk of relapse. CompuLsive Exercise Activity TheraPy (LEAP) aims to reduce compulsive exercise through a cognitive behavioural approach. This study aims to investigate the effect of LEAP on compulsive exercise behaviour using subscales of the Compulsive Exercise Test (CET), a measure of exercise in individuals with eating disorders. Predictive validity of the CET's subscales and its ability to predict eating psychopathology are investigated. METHOD: This study used data from a randomized controlled trial of LEAP (1). Linear mixed modelling was used to investigate the effect of LEAP on compulsive exercise behaviour, and the predictive ability of CET subscales on various outcomes. The CET was compared to other exercise measures to assess its superiority in predicting eating psychopathology. RESULTS: LEAP was superior in reducing the scores of the CET's Avoidance and Rule Driven Behaviour and Exercise Rigidity subscales. All subscales made a contribution to the respective models. The CET was superior to other measures in predicting eating pathology. CONCLUSION: The results lend credibility to LEAP's ability to reduce core parts of compulsive exercise. The CET has been found to target important aspects of compulsive exercise behaviour, and has was superior to other exercise measures in predicting eating psychopathology.

Relationship between Materialism and Social Networking Site Addiction among Adolescents: A Moderated Mediation Model.

Materialism has been consistently linked to Internet-related addictions, including compulsive online shopping, problematic online gaming, and excessive smartphone use; however, the relationship between materialism and social networking site (SNS) addiction has remained unclear. Thus, this study aims to examine the association between materialism and SNS addiction and investigate the mediating effect of fatalism and moderating effect of self-concept clarity in this relationship among 703 Chinese adolescents. Materialism was significantly positively associated with SNS addiction in adolescents, and fatalism partially mediated this association. Moreover, self-concept clarity moderated the direct and indirect relationships between materialism and SNS addiction. Specifically, for adolescents with low (versus high) self-concept clarity, those who also had high levels of materialism were more likely to develop fatalistic beliefs and showed further symptoms of SNS addiction. This study's findings imply that decreasing materialism and fatalism and developing self-concept clarity might be effective interventions for reducing SNS addiction among adolescents.

The World Federation of Societies of Biological Psychiatry guidelines on the assessment and pharmacological treatment of compulsive sexual behaviour disorder.

OBJECTIVES: The current guidelines aim to evaluate the role of pharmacological agents in the treatment of patients with compulsive sexual behaviour disorder (CSBD). They are intended for use in clinical practice by clinicians who treat patients with CSBD. METHODS: An extensive literature search was conducted using the English-language-literature indexed on PubMed and Google Scholar without time limit, supplemented by other sources, including published reviews. RESULTS: Each treatment recommendation was evaluated with respect to the strength of evidence for its efficacy, safety, tolerability, and feasibility. Psychoeducation and psychotherapy are first-choice treatments and should always be conducted. The type of medication recommended depended mainly on the intensity of CSBD and comorbid sexual and psychiatric disorders. There are few randomised controlled trials. Although no medications carry formal indications for CSBD, selective-serotonin-reuptake-inhibitors and naltrexone currently constitute the most relevant pharmacological treatments for the treatment of CSBD. In cases of CSBD with comorbid paraphilic disorders, hormonal agents may be indicated, and one should refer to previously published guidelines on the treatment of adults with paraphilic disorders. Specific recommendations are also proposed in case of chemsex behaviour associated with CSBD. CONCLUSIONS: An algorithm is proposed with different levels of treatment for different categories of patients with CSBD.

Evidence of validity, reliability and psychometric parameters of the items of the Cognitive Emotion Regulation Questionnaire-Short (CERQ-Short) / Evidência de validade, fidedignidade e parâmetros psicométricos dos itens do Questionário Cognitivo de Regulação Emocional-Short (CERQ-Short) / Evidencia de validez, fidedignidad y parámetros psicométricos de los ítems del Cuestionario Cognitivo de Regulación Emocional-Short (CERQ-Short)

The aim of the present study was to evaluate the construct validity, internal consistency and psychometric indicators of the reduced version of the Cognitive Emotion Regulation Questionnaire (CERQ-short). The CERQ-short was adapted and translated to Portuguese prior to its administration to 254 adults, mainly from the state of Paraíba, Brazil. The Difficulties in Emotion Regulation Scale (DERS), the Compulsive Buying Scale (CBS) and a sociodemographic questionnaire were also applied. The original CERQ-short nine-factor structure was preserved. The convergent and discriminant validity, the reliability and the psychometric adequacy concerning item difficulty and item discrimination were also confirmed. The results support the use of this scale for rapid screening and research. (AU)

O presente estudo teve como objetivo buscar evidências de validade de construto, de consistência interna e indicadores psicométricos dos itens da versão adaptada para o português do Questionário Cognitivo de Regulação Emocional versão reduzida (CERQ-short). Após tradução e adaptação, foi aplicado o CERQ-Short, as escalas de dificuldade em regulação emocional (DERS) e de Compras Compulsivas (CBS), além de um questionário demográfico em uma amostra de 254 adultos, maioria de paraibanos. Verificou-se que a estrutura original de nove fatores do CERQ-Short foi mantida, também foram confirmadas as validades convergente e discriminante, a fidedignidade e a adequação psicométrica dos itens no que se refere à dificuldade e à discriminação dos itens. A escala apresentou evidência para a utilização em rastreio rápido e pesquisas. (AU)

El presente artículo tuvo como objetivo la búsqueda de evidencias de la validez del construto e indicadores psicométricos de los ítems, de una versión adaptada para el portugués, del Cuestionario Cognitivo de Regulación Emocional, versión reducida (CERQ-short). Inicialmente, fue realizada la traducción y adaptación semántica; posteriormente, fue aplicado el cuestionario CERQ-Short a las escalas de dificultad en regulación emocional (DERS) y de las Compras Compulsivas (CBS), además de un cuestionario demográfico en una muestra de 254 adultos, la mayoría de los paraibanos. Se verificó que la estructura original de nueve factores del CERQ-Short fue mantenida, así como las evidencias de validez del construto, fiabilidad y adecuación psicométrica de los ítems. La escala presentó evidencias para la utilización en rastreo rápido y pesquisas. (AU)

What motivates open defecation? A qualitative study from a rural setting in Nepal.

INTRODUCTION: Open defecation is ongoing in Nepal despite the rise in efforts for increasing latrine coverage and its use. Understanding the reasons for open defecation would complement the ongoing efforts to achieve the 'open defecation free' status in Nepal. This study aimed at exploring different motivations of people who practice open defecation in a village in Nepal. METHODS: This study was conducted among the people from the Hattimudha village in Morang district of eastern Nepal, who practiced open defecation. Maximum variation sampling method was used to recruit participants for 20 in-depth interviews and 2 focus group discussions. We adopted a content analysis approach to analyze the data. RESULTS: We categorized different reasons for open defecation as motivation by choice and motivation by compulsion. Open defecation by choice as is expressed as a medium for socializing, a habit and an enjoyable outdoor activity that complies with spiritual and religious norms. Open defecation by compulsion include reasons such as not having a latrine at home or having an alternative use for the latrine structures. Despite having a private latrine at home or access to a public latrine, people were compelled to practice open defecation due to constraints of norms restricting latrine use and hygiene issues in general. For women the issues with privacy and issues refraining women to use the same latrine as men compelled women to look for open defecation places. CONCLUSION: Open defecation is either a voluntary choice or a compulsion. This choice is closely linked with personal preferences, cultural and traditional norms with special concerns for privacy for women and girls in different communities. The ongoing campaigns to promote latrine construction and its use needs to carefully consider these factors in order to reduce the open defecation practices and increase the use of sanitary latrines.

Materialism, Financial Motives and Gambling: Examination of an Unexplored Relationship.

Gambling has an inherent structural monetary component, and financial motive is one of the main motivations for gambling. Despite this, and contrary to other addictive behaviours that involve money such as compulsive buying, gambling has never been studied from a materialism perspective. The objective of the present study was to explore the links between materialism and gambling disorder (GD) and whether this relationship is mediated by financial motives for gambling. We compared 65 pathological gamblers (PGs) seeking treatment to 65 matched non-problem gamblers. The data collection included socio-demographics, gambling characteristics, the Materialism Values Scale, the Gambling Motives Questionnaire-Financial, and the Rosenberg Self-Esteem Scale. The statistical analysis included linear mixed models and Structural Equation Modelling. The level of materialism was significantly higher for the PGs, except for the Centrality dimension. Only one mediated effect was significant, and it concerned an indirect path from Happiness through financial motives. Moreover, Happiness explained most of the variance of the probability of becoming a PG. Contrary to compulsive buying, the PGs seemed to display materialism in a more experiential way that was centred on what possessions can induce secondarily rather than on the possessions themselves. The belief that material possessions are essential to achieving happiness may encourage the PG to gamble, thus contributing to both the development and maintenance of GD. We provided evidence that materialism is a key concept in the comprehension of GD and should be further considered when adapting care strategies.

Impulse control disorders in Parkinson's disease: Review of pathophysiology, epidemiology, clinical features, management, and future challenges.

Impulsive-compulsive behavior (ICB) in Parkinson's disease (PD) suggests a combination of impulse control disorders (ICDs), such as pathological gambling, hypersexuality, compulsive eating, excessive buying, and compulsive behaviors, such as punding, dopamine dysregulation syndrome (DDS), hoarding, and hobbyism. Hypersexuality and gambling are common in male patients while compulsive buying is common in women patients. Recent studies reveal the prevalence of ICB to be more than 25% among the PD patients. The nigrostriatal, mesocortical, and mesolimbic dopaminergic pathways play a crucial role in the pathogenesis of ICDs in PD patients. The greater tonic release of dopamine creates a state of relative dopamine deficit and reduced reward sensation and impulsive behaviors. The major risk factors for ICB are the use of dopamine agonist (DA), male gender, young patient, depression, smoking, drug abuse, Parkin mutation, and family history of ICDs. Single nucleotide polymorphism in dopamine receptors D1, D2, and D3 also acts as a major risk factor. Questionnaire for impulsive-compulsive disorders in PD is the most widely adopted screening tool for the detection of ICB in PD. The major treatment for PD is to discontinue DAs and use prolonged release formulation of the DAs. The role of deep brain stimulation (DBS) and apomorphine in the treatment of ICB is still uncertain. Though DBS can reduce the risk of DDS, it can precipitate new ICBs such as hypersexuality.

Compulsive buying in Paris psychology students: Assessment of DSM-5 personality trait domains.

Compulsive buying is associated with significant psychiatric comorbidity, such as personality disorders. Few studies have focused on the dimensional model of personality disorders in compulsive buying. We aimed to assess the eventual presence of personality dysfunctions in compulsive buying according to the Diagnostic and Statistical Manual of Mental Disorder, 5th edition (DSM-5) dimensional conception of personality disorders. We screened online compulsive buying (QABB), characterized purchasing behavior and explored DSM-5 personality trait domains (Personality Inventory for DSM-5-Brief Form [PID-5-BF]) in 233 Paris psychology students using an online self-reporting questionnaire. The prevalence of compulsive buying among students was 7.7% (n = 18). The favorite items purchased by compulsive buyers were clothing and cosmetic products. Three mean trait domain scores were significantly higher for CB+ than CB- students: negative affect, detachment and disinhibition. Our findings suggest that compulsive buyers distinctively feature pathological DSM-5 dimensional personality trait domains.

"Pornographic binges" as a key characteristic of males seeking treatment for compulsive sexual behaviors: Qualitative and quantitative 10-week-long diary assessment.

Background and aims Compulsive sexual behaviors (CSBs) are an important clinical and social issue. Despite the increasing number of studies, some of CSB's aspects remain under-investigated. Here, we explore the nature of CSB, such as binge pornography use and masturbation (PuM), and verify the correspondence between self-perceived factors leading to such behavior with its measures obtained in a diary assessment. Methods Semi-structuralized interviews with nine treatment-seeking males aged 22-37 years (M = 31.7, SD = 4.85) were followed by a questionnaire and a 10-week-long diary assessment, allowing us to acquire real-life daily patterns of CSB. Results Six out of nine subjects experienced binge (multiple hours or times a day) PuM. All subjects presented a high level of anxiety and perceived PuM as a way to regulate mood and stress. Data collected in the diary assessment uncovered a high diversity in the patterns of sexual behaviors (such as frequency of regular and binge PuM) and its correlates. Binge PuM was related to decreased mood and/or increased stress or anxiety. The causal relation between these correlates remains undetermined. Discussion and conclusions Binge PuM seems to be one of the most characteristic behavior among males who are seeking treatment for CSB and is related to the feeling of losing control over one's sexual activity. CSB individuals indicate a variety of binge triggers. Also, diary assessment data indicate that specific correlates of binge PuM (decreased mood, increased stress, and anxiety) differ between subjects. It suggests the existence of significant individual differences in binge PuM behaviors, and a need to study these differences, as it may help guide personalized treatment.

The Role of Religiosity in Adolescents' Compulsive Pornography Use: A Longitudinal Assessment.

Despite increasing concerns that adolescent men are vulnerable to developing compulsive pornography use, little research has been done in this area. Given recent theorizing and research concerning moral incongruence, we hypothesized that symptoms of compulsive pornography use should generally be associated with higher levels of pornography use and increased growth in male adolescent pornography use over time, but that this pattern would be attenuated among very religious participants. These hypotheses were tested with mixed effects growth models using two independent panel samples of male Croatian adolescents. As expected, adolescent men who reported features of compulsive pornography use tended to exhibited higher levels of pornography use. However, contrary to expectations, increased growth in pornography use was limited to more religious compulsive users. Compared to nonreligious compulsive users, these adolescents started with lower initial levels of pornography use and their use increased over time at a greater rate of change. This study's results are the first to suggest that some adolescent men who report high levels of pornography use tend to exhibit symptoms of compulsive use, which highlights a need for counseling and therapeutic attention. Our findings also have implications for the emerging theory of moral incongruence.

Perceived intentional transmission of HIV infection, sustained viral suppression and psychosocial outcomes among men who have sex with men living with HIV: a cross-sectional assessment.

OBJECTIVE: HIV continues to be a global and national public health challenge, and men who have sex with men (MSM) are disproportionately affected in the USA. Transmission of HIV is intentional if the person living with HIV knows about his/her serostatus, acts with the intention to and actually transmits HIV. Research on intentional transmission of HIV infections is lacking, and the relationships between perceived intentional transmission, viral suppression and psychosocial outcomes have not been assessed. The objective of this study was to investigate the association between perceived intentional transmission of HIV, sustained viral suppression and psychosocial outcomes. METHODS: Data were obtained from 338 MSM living with HIV who participated in a disclosure intervention study. Logistic and linear regression models were used to assess the associations between perceived intentional transmission and viral suppression, condomless anal intercourse in the past 30 days, being at risk for clinical depression, substance use, self-efficacies for condom use, HIV disclosure and negotiation of safer sex practices, and sexual compulsivity. RESULTS: 44% of the study population reported perceiving intentional HIV transmission. After adjusting for sociodemographic characteristics, men who thought that they were infected intentionally had 69% higher odds (adjusted OR: 1.69; 95% CI 1.01 to 2.83) of being at risk for clinical depression, and on average, scored approximately 3 points and 4 points higher on depressive symptoms and sexual compulsivity, respectively (adjusted ß: 3.29; 95% CI 0.42 to 6.15; adjusted ß: 3.74; 95% CI 1.32 to 6.17) compared with men who did not think that they were intentionally infected. After adjusting for confounders, there was no statistically significant association between perceived intentional transmission and viral suppression. CONCLUSIONS: Intervention programmes for MSM living with HIV who thought they were infected intentionally are warranted and should aim to attenuate depressive symptoms and sexual compulsivity.

Compulsive buying and quality of life: An estimate of the monetary cost of compulsive buying among adults in early midlife.

The aims of this study were to examine the associations between compulsive buying and quality of life and to estimate the monetary cost of compulsive buying for a cohort of men and women at mean age 43. Participants came from a community-based random sample of residents in two New York counties (N=548). The participants were followed from adolescence to early midlife. The mean age of participants at the most recent interview was 43.0 (SD=2.8). Fifty five percent of the participants were females. Over 90% of the participants were white. Linear regression analyses showed that compulsive buying was significantly associated with quality of life, despite controlling for relevant demographic and psychosocial factors. The estimated monetary cost of compulsive buying for this cohort was significant. The fact that the monetary cost of CB is not trivial suggests that individuals are both consciously and unconsciously plagued by their CB. The findings are important for interventionists and clinicians for cost-effective intervention and treatment programs.

Gender Differences in Compulsive Buying Disorder: Assessment of Demographic and Psychiatric Co-Morbidities.

Compulsive buying is a common disorder found worldwide. Although recent research has shed light into the prevalence, etiology and clinical correlates of compulsive buying disorder, less is known about gender differences. To address this empirical gap, we assessed potential gender differences in demographic and psychiatric co-morbidities in a sample of 171 compulsive buyers (20 men and 151 women) voluntarily seeking treatment in São Paulo, Brazil. A structured clinical interview confirmed the diagnosis of compulsive buying. Of the 171 participants, 95.9% (n = 164) met criteria for at least one co-morbid psychiatric disorder. The results found that male and female compulsive buyers did not differ in problem severity as assessed by the Compulsive Buying Scale. However, several significant demographic and psychiatric differences were found in a multivariate binary logistic regression. Specifically, male compulsive buyers were more likely to report being non-heterosexual, and reported fewer years of formal education. In regards to psychiatric co-morbidities, male compulsive buyers were more likely to be diagnosed with sexual addiction, and intermittent explosive disorder. Conversely, men had lower scores on the shopping subscale of the Shorter PROMIS Questionnaire. The results suggest that male compulsive buyers are more likely to present with co-morbid psychiatric disorders. Treatment planning for compulsive buying disorder would do well to take gender into account to address for potential psychiatric co-morbidities.

Psychiatric and socioeconomic aspects as possible predictors of compulsive buying behavior.

INTRODUCTION:: Compulsive buying can be characterized as an almost irresistible urge to buy various items. Compulsive buying disorder is a subject of growing interest to health professionals. It is a current issue and the prevalence rate in the global population is around 5 to 8%. OBJECTIVES:: The main objective of this study was to identify predictors of compulsive buying in the Brazilian population, assessing possible relationships between compulsive buying, depression and anxiety. METHODS:: The Richmond Compulsive Buying Scale was administered to screen for compulsive buying and the Hospital Anxiety and Depression Scale was used to assess anxiety and depression in a sample of 359 participants. Pearson coefficients were used to test for correlations. RESULTS:: Our study identified an interaction between female gender and compulsion to purchase. Furthermore, people's occupations also appear to have an influence on the problem. We found a correlation between depressive symptoms and oniomania. CONCLUSION:: Our study has certain limitations, such as the difficulty in recruiting individuals with compulsive buying disorder. Since compulsive buying is a phenomenon that is seldom investigated, it therefore remains unidentified. However, this is nevertheless a pioneering paper on the Brazilian population.

Psychiatric and socioeconomic aspects as possible predictors of compulsive buying behavior / Aspectos psiquiátricos e socioeconômicos como possíveis preditores de comportamento de compras compulsivas

Abstract Introduction: Compulsive buying can be characterized as an almost irresistible urge to buy various items. Compulsive buying disorder is a subject of growing interest to health professionals. It is a current issue and the prevalence rate in the global population is around 5 to 8%. Objectives: The main objective of this study was to identify predictors of compulsive buying in the Brazilian population, assessing possible relationships between compulsive buying, depression and anxiety. Methods: The Richmond Compulsive Buying Scale was administered to screen for compulsive buying and the Hospital Anxiety and Depression Scale was used to assess anxiety and depression in a sample of 359 participants. Pearson coefficients were used to test for correlations. Results: Our study identified an interaction between female gender and compulsion to purchase. Furthermore, people's occupations also appear to have an influence on the problem. We found a correlation between depressive symptoms and oniomania. Conclusion: Our study has certain limitations, such as the difficulty in recruiting individuals with compulsive buying disorder. Since compulsive buying is a phenomenon that is seldom investigated, it therefore remains unidentified. However, this is nevertheless a pioneering paper on the Brazilian population.

Resumo Introdução: A compra compulsiva pode ser caracterizada como um desejo quase irresistível de obter vários itens. O transtorno do comprar compulsivo tem sido objeto de interesse crescente para os profissionais de saúde. Considerado um problema atual, sua taxa de prevalência é de cerca de 5 a 8% na população mundial. Objetivos: O principal objetivo desta pesquisa foi identificar os preditores da compulsão por comprar na população brasileira, avaliando possíveis relações entre compra compulsiva, depressão e ansiedade. Métodos: A Escala de Compras Compulsivas Richmond Adaptada foi utilizada para rastreio do comprar compulsivo, e a Escala Hospitalar de Ansiedade e Depressão, para avaliar ansiedade e depressão, em uma amostra de 359 participantes. As correlações foram determinadas usando o teste de Pearson. Resultados: Foi identificada em nosso estudo uma interação entre sexo feminino e compulsão por compras. Além disso, a ocupação parece interferir no problema. Encontramos uma correlação entre sintomas depressivos e oniomania. Conclusão: Nosso estudo apresenta algumas limitações, tais como a dificuldade em recrutar indivíduos com transtorno do comprar compulsivo. Por ser um tema pouco explorado, há uma dificuldade em identificar indivíduos acometidos. No entanto, este é um ensaio pioneiro na população brasileira.

Sexual Compulsivity Scale, Compulsive Sexual Behavior Inventory, and Hypersexual Disorder Screening Inventory: Translation, Adaptation, and Validation for Use in Brazil.

Epidemiological, behavioral, and clinical data on sexual compulsivity in Brazil are very limited. This study sought to adapt and validate the Sexual Compulsivity Scale (SCS), the 22-item version of the Compulsive Sexual Behavior Inventory (CSBI-22), and the Hypersexual Disorder Screening Inventory (HDSI) for use in Brazil. A total of 153 participants underwent psychiatric assessment and completed self-reported measures. The adaptation process of the instruments from English to Portuguese followed the guidelines of the International Society for Pharmacoeconomics and Outcomes Research. The reliability and validity of the HDSI criteria were evaluated and the construct validity of all measures was examined. For the SCS and HDSI, factor analysis revealed one factor for each measure. For the CSBI-22, four factors were retained although we only calculated the scores of two factors (control and violence). All scores had good internal consistency (alpha >.75), presented high temporal stability (>.76), discriminated between patients and controls, and presented strong (ρ > .81) correlations with the Sexual Addiction Screening Test (except for the violence domain = .40) and moderate correlations with the Impulsive Sensation Seeking domain of the Zuckerman Kuhlman Personality Questionnaire (ρ between .43 and .55). The sensitivity of the HDSI was 71.93 % and the specificity was 100 %. All measures showed very good psychometric properties. The SCS, the HDSI, and the control domain of the CSBI-22 seemed to measure theoretically similar constructs, as they were highly correlated (ρ > .85). The findings support the conceptualization of hypersexuality as a cluster of problematic symptoms that are highly consistent across a variety of measures.

Acculturative Stress and Risky Sexual Behavior: The Roles of Sexual Compulsivity and Negative Affect.

Recent syndemic models of sexual health disparities affecting racial/ethnic minorities have highlighted the role of discrimination. Yet no previous work has examined how acculturative stress (distress at the transition from one's original culture toward a new culture) associates with sexual HIV-risk behavior (SHRB). Work among other minority populations suggests sexual compulsivity (SC) may contribute to syndemic sexual health disparities as a means of coping with distress. With this in mind, the present study examined whether SC explained the relation between acculturative stress and SHRB. Separate analyses were conducted for males and females within a sample of 758 sexually initiated racial/ethnic minority college students. Among males and females, acculturative stress had an indirect effect on SHRB via SC. As the first study to examine SHRB in relation to acculturative stress, findings provide preliminary evidence that targeting SC among racial/ethnic minorities may help reduce sexual health disparities.

The Pathological Buying Screener: Development and Psychometric Properties of a New Screening Instrument for the Assessment of Pathological Buying Symptoms.

The study was designed to develop a new screening instrument for pathological buying (PB), and to examine its psychometric properties in a large-scale sample. By using a facet theoretical approach and based on literature as well as on clinical experience, a 20-item Pathological Buying Screener (PBS) was developed and administered to a representative German sample (n = 2,539). Valid data were available from 2,403 participants who were subjects for three subsequent empirical studies. The first study explored the factor structure using exploratory factor analyses in a subsample of 498 participants. Based on factor loadings, a 13-item version with the two factors loss of control / consequences and excessive buying behavior was revealed. This two-factor model was confirmed in study 2 by confirmatory factor analysis performed on another subsample (n = 1,905). Study 3 investigated age and gender effects and convergent validity of the PBS using the Compulsive Buying Scale (CBS) in the full sample (N = 2,403). The total PBS score was adequately correlated with the CBS score. Hierarchical regression analyses with the CBS score as the dependent variable and the two PBS factors as the predictors indicated an own incremental validity of the two factors in participants ≤ 65 years. The reliability of the total score as well as of the two subscales was good to excellent. Overall, the PBS represents a useful measure for PB. Future studies are needed to replicate the two-factor structure in clinical samples and to define a valid cutoff for PB.

Impulsivity and compulsive buying are associated in a non-clinical sample: an evidence for the compulsivity-impulsivity continuum?

OBJECTIVE: Compulsive buying is controversial in clinical psychiatry. Although it is defined as an obsessive-compulsive disorder, other personality aspects besides compulsivity are related to compulsive buying. Recent studies suggest that compulsivity and impulsivity might represent a continuum, with several psychiatric disorders lying between these two extremes. In this sense, and following the perspective of dimensional psychiatry, symptoms of impulsivity and compulsivity should correlate even in a non-clinical sample. The present study aims to investigate whether these two traits are associated in a healthy adult sample. METHODS: We evaluated 100 adults, with no self-reported psychiatric disorders, using the Barratt Impulsiveness Scale-11 and two scales of compulsive buying. RESULTS: Using multiple linear regressions, we found that impulsivity accounted for about 15% of variance in the compulsive-buying measure. CONCLUSIONS: Our results suggest that an association between impulsivity and compulsive buying occurs even in non-clinical samples, evidence that compulsivity and impulsivity might form a continuum and that compulsive buying might be an intermediate condition between these two personality traits.

Assessment of affective and somatic signs of ethanol withdrawal in C57BL/6J mice using a short-term ethanol treatment.

Alcohol is one of the most prevalent addictive substances in the world. Withdrawal symptoms result from abrupt cessation of alcohol consumption in habitual drinkers. The emergence of both affective and physical symptoms produces a state that promotes relapse. Mice provide a preclinical model that could be used to study alcohol dependence and withdrawal while controlling for both genetic and environmental variables. The use of a liquid ethanol diet offers a reliable method for the induction of alcohol dependence in mice, but this approach is impractical when conducting high-throughput pharmacological screens or when comparing multiple strains of genetically engineered mice. The goal of this study was to compare withdrawal-associated behaviors in mice chronically treated with a liquid ethanol diet vs. mice treated with a short-term ethanol treatment that consisted of daily ethanol injections containing the alcohol dehydrogenase inhibitor, 4-methylpyrazole. Twenty-four hours after ethanol treatment, mice were tested in the open field arena, the elevated plus maze, the marble burying test, or for changes in somatic signs during spontaneous ethanol withdrawal. Anxiety-like and compulsive-like behaviors, as well as physical signs, were all significantly elevated in mice undergoing withdrawal, regardless of the route of ethanol administration. Therefore, a short-term ethanol treatment can be utilized as a screening tool for testing genetic and pharmacological agents before investing in a more time-consuming ethanol treatment.