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International Journal of Methods in Psychiatric Research

Jennifer Greif Green, Gerrit DeYoung, Mary Ellen Wogan, Erika J Wolf, Kathleen Lynne Lane, Lenard A Adler
OBJECTIVES: There is a need for brief and publicly-available assessments of attention deficit hyperactivity disorder (ADHD) easily administered in large-scale survey efforts monitoring symptoms among adolescents. The ADHD Self-Report Scale v1.1 (ASRS; Kessler et al., 2005) Screener, a six-item measure of ADHD symptoms, is a valid and reliable screening instrument for ADHD among adults. The current study provides initial evidence for the reliability and validity of the ASRS Screener among a community sample of U...
November 8, 2018: International Journal of Methods in Psychiatric Research
Jordi Alonso, Gemma Vilagut, Philippe Mortier, Randy P Auerbach, Ronny Bruffaerts, Pim Cuijpers, Koen Demyttenaere, David D Ebert, Edel Ennis, Raul A Gutiérrez-García, Jennifer Greif Green, Penelope Hasking, Sue Lee, Jason Bantjes, Matthew K Nock, Stephanie Pinder-Amaker, Nancy A Sampson, Alan M Zaslavsky, Ronald C Kessler
OBJECTIVE: The objective of this study is to assess the contribution of mental comorbidity to role impairment among college students. METHODS: Web-based self-report surveys from 14,348 first-year college students (Response Rate [RR] = 45.5%): 19 universities, eight countries of the World Mental Health International College Student Initiative. We assessed impairment (Sheehan Disability Scales and number of days out of role [DOR] in the past 30 days) and seven 12-month DSM-IV disorders...
November 6, 2018: International Journal of Methods in Psychiatric Research
Eszter Kotyuk, Judit Farkas, Anna Magi, Andrea Eisinger, Orsolya Király, Andrea Vereczkei, Csaba Barta, Mark D Griffiths, Gyöngyi Kökönyei, Anna Székely, Mária Sasvári-Székely, Zsolt Demetrovics
OBJECTIVES: Most of the addiction studies focus on very specific aspects of addictions, often with contradictory results, and integrated studies are quite rare. Experimental studies comparing underlying mechanisms of addictions and analyzing data from an integrative psychological and genetic perspective are almost nonexistent. The aim of the present paper is to describe the research protocol of the Psychological and Genetic Factors of Addictive Behaviors (PGA) study, which applies an integrative approach to understanding the acquisition, development, and maintenance of addictive behaviors...
November 6, 2018: International Journal of Methods in Psychiatric Research
Joanne Cotton, Sara T Baker
OBJECTIVE: To facilitate future outcome studies, we aimed to develop a robust and replicable method for estimating a categorical and dimensional measure of Diagnostic and Statistical Manual of Mental Disorders-5 (DSM-5) attention deficit hyperactivity disorder (ADHD) in the 1970 British Cohort Study (BCS70). METHOD: Following a data mining framework, we mapped DSM-5 ADHD symptoms to age 10 BCS70 data (N = 11,426) and derived a 16-item scale (α = 0.85). Mapping was validated by an expert panel...
November 6, 2018: International Journal of Methods in Psychiatric Research
Benjamin David Williams, Tarani Chandola, Neil Pendleton
OBJECTIVES: Recommended cut-off criteria for testing measurement invariance (MI) using the comparative fit index (CFI) vary between -0.002 and -0.01. We compared CFI results with those obtained using Bayesian approximate MI for cognitive function. METHODS: We used cognitive function data from Waves 1-5 of the English Longitudinal Study of Ageing (ELSA; Wave 1 n = 11,951), a nationally representative sample of English adults aged ≥50. We tested for longitudinal invariance using CFI and approximate MI (prior for a difference between intercepts/loadings ~N(0,0...
October 23, 2018: International Journal of Methods in Psychiatric Research
Bastien Perrot, Jean-Benoit Hardouin, Marie Grall-Bronnec, Gaëlle Challet-Bouju
OBJECTIVES: Internet gambling is often considered as a risk factor for gambling problems compared with land-based gambling. In parallel, this online activity generates data that can be useful to characterize Internet gambling behaviours. The objectives were to define a typology of online lotteries and scratch games gamblers' behaviours in order to identify early risky gambling behaviours and to classify gamblers in order to identify individuals with global risky gambling behaviours. METHODS: We performed a multilevel latent class cluster based on player account-based data of 10,000 gamblers from a French online operator...
October 18, 2018: International Journal of Methods in Psychiatric Research
Meng Lin Xu, Paul De Boeck, Daniel Strunk
The circumplex model for core affect is among the most prominent characterizations of emotion and has received extensive empirical support. However, no prior study exists that connects the measurement of depression and anxiety with the core affect structure and the bipolar dimensions of arousal and valence it includes. OBJECTIVES: This study aims to investigate the reconcilability between a continuous model based on Russell's core affect system and a discrete entity view on depression and anxiety...
October 18, 2018: International Journal of Methods in Psychiatric Research
Thanos Karatzias, Philip Hyland, Menachem Ben-Ezra, Mark Shevlin
OBJECTIVES: The current study sought to further assess the nature of the affect dysregulation (AD) cluster of the International Classification of Diseases-11 (ICD-11) proposal for complex posttraumatic stress disorder (CPTSD) in a nonclinical sample. METHODS: An online survey sample from Israel (n = 618) completed a disorder-specific measure (International Trauma Questionnaire) of PTSD and CPTSD along with the Life Events Checklist and the World Health Organization Well-Being Index...
October 15, 2018: International Journal of Methods in Psychiatric Research
Jan van Bebber, Gerard Flens, Johanna T W Wigman, Edwin de Beurs, Sjoerd Sytema, Lex Wunderink, Rob R Meijer
No abstract text is available yet for this article.
September 24, 2018: International Journal of Methods in Psychiatric Research
Sara Siddi, Susana Ochoa, Aida Farreny, Gildas Brébion, Frank Larøi, Jorge Cuevas-Esteban, Josep Maria Haro, Christian Stephan-Otto, Antonio Preti
OBJECTIVES: The current study aimed at evaluating the reliability, convergent and divergent validity, and factor structure of the Spanish Launay-Slade Hallucinations Scale-Extended version (LSHS-E) in people with mental disorders and healthy controls. METHODS: Four hundred and twenty-two individuals completed the Spanish LSHS-E and the Spanish Community Assessment of Psychic Experiences. The convergent and divergent validity of the LSHS-E was assessed with the three dimensions of the Community Assessment of Psychic Experiences (positive, negative, and depressive dimensions) in healthy controls and people with a mental disorder...
September 20, 2018: International Journal of Methods in Psychiatric Research
Jonathan M Fawcett, Nichole Fairbrother, Emily J Fawcett, Ian R White
OBJECTIVE: Epidemiological research plays an important role in public health, facilitated by the meta-analytic aggregation of epidemiological trials into a single, more powerful estimate. This form of aggregation is complicated when estimating the prevalence of a superordinate category of disorders (e.g., "any anxiety disorder," "any cardiac disorder") because epidemiological studies rarely include all of the disorders selected to define the superordinate category...
September 14, 2018: International Journal of Methods in Psychiatric Research
Joshua Breslau, Bradley D Stein, Rachel M Burns, Rebecca L Collins, Bing Han, Hao Yu, Ramin Mojtabai
OBJECTIVES: The study aims to investigate apparently contradictory evidence regarding racial/ethnic differences in perceived need for behavioral health treatment in two prominent surveys of the U.S. population, the National Comorbidity Survey Replication (NCS-R) and the National Survey of Drug Use and Health (NSDUH). METHODS: The two surveys were compared with respect to two components of perceived need: service use and perceived need among the untreated. Logistic regression models were estimated to adjust comparisons for demographic characteristics...
September 12, 2018: International Journal of Methods in Psychiatric Research
Eduardo Fonseca-Pedrero, Felix Inchausti, Alicia Pérez-Albéniz, Javier Ortuño-Sierra
OBJECTIVES: The main purpose of the present study was twofold: to validate the Prodromal Questionnaire-Brief (PQ-B) in a community-derived sample of adolescents and to examine the links between psychotic-like experiences and emotional and behavioral problems, prosocial behavior, suicidal ideation, and bipolar-like experiences. METHOD: One thousand five hundred eighty-eight students selected by random sampling participated in a cross-sectional survey. The PQ-B, Paykel Suicide Scale, Strengths and Difficulties Questionnaire, Mood Disorder Questionnaire, Penn Matrix Reasoning Test, Family Affluence Scale-II, and Oviedo Infrequency Scale were used...
September 10, 2018: International Journal of Methods in Psychiatric Research
Montserrat Graell, Patricia de Andrés, Ana Rosa Sepúlveda, Alba Moreno, Ángel Villaseñor, Mar Faya, Carmen Martínez-Cantarero, Sonia Gómez-Martínez, Ascensión Marcos, Gonzalo Morandé, Esther Nova
The anorexia nervosa adolescent longitudinal biomarker assessment study (ANABEL) is a 2-year longitudinal study. OBJECTIVE: Evaluate several clinical, biochemical, immunological, psychological, and family variables and their interactions in adolescent onset eating disorders (EDs) patients and their 2-year clinical and biological outcome. This article illustrates the framework and the methodology behind the research questions, as well as describing general features of the sample. METHODS: A longitudinal study of 114 adolescents with EDs seeking treatment was performed...
September 2018: International Journal of Methods in Psychiatric Research
Natàlia Vilor-Tejedor, Silvia Alemany, Alejandro Cáceres, Mariona Bustamante, Marion Mortamais, Jesús Pujol, Jordi Sunyer, Juan R González
OBJECTIVES: We proposed the application of a multivariate cross-sectional framework based on a combination of a variable selection method and a multiple factor analysis (MFA) in order to identify complex meaningful biological signals related to attention-deficit/hyperactivity disorder (ADHD) symptoms and hyperactivity/inattention domains. METHODS: The study included 135 children from the general population with genomic and neuroimaging data. ADHD symptoms were assessed using a questionnaire based on ADHD-DSM-IV criteria...
September 2018: International Journal of Methods in Psychiatric Research
John E Harrison, Harry Barry, Bernhard T Baune, Michael W Best, Christopher R Bowie, Danielle S Cha, Larry Culpepper, Philippe Fossati, Tracy L Greer, Catherine Harmer, Esther Klag, Raymond W Lam, Yena Lee, Rodrigo B Mansur, Hans-Ulrich Wittchen, Roger S McIntyre
OBJECTIVES: There is a need for a brief, reliable, valid, and sensitive assessment tool for screening cognitive deficits in patients with Major Depressive Disorders. This paper examines the psychometric characteristics of THINC-it, a cognitive assessment tool composed of four objective measures of cognition and a self-rated assessment, in subjects without mental disorders. METHODS: N = 100 healthy controls with no current or past history of depression were tested on four sequential assessments to examine temporal stability, reliability, and convergent validity of the THINC-it tests...
September 2018: International Journal of Methods in Psychiatric Research
Adrian A Chrobak, Marcin Siwek, Dominika Dudek, Janusz K Rybakowski
OBJECTIVES: Fried () quantified the overlap of items among seven widely used depression rating scales. The analysis revealed substantial heterogeneity of the depressive syndromes and a low overlap among the scales. To our best knowledge, there are no studies evaluating the content overlap of (hypo)mania scales. The goal of our study, therefore, is to quantify the overlap of items among seven widely used (hypo)manic scales, implementing the methodology developed by Fried (). METHODS: Seven commonly used (hypo)manic scales underwent content analysis...
September 2018: International Journal of Methods in Psychiatric Research
Renee Grenon, Alena McKenna, Hilary Maxwell, Samantha Carlucci, Agostino Brugnera, Dominique Schwartze, Nicole Hammond, Iryna Ivanova, Nancy Mcquaid, Genevieve Proulx, Giorgio A Tasca
OBJECTIVE: We investigated the quality of randomized controlled trials (RCTs) that included direct comparisons of psychotherapy for adults with an eating disorder (ED). METHOD: Thirty-five direct comparison RCTs of psychotherapy for adults diagnosed with an ED were rated using the Randomized Controlled Trials Psychotherapy Quality Rating Scale (RCT-PQRS). RESULTS: The mean total RCT-PQRS score (mean = 28.26; SD = 7.04) was in line with those that were reported for RCTs of psychotherapy for depression and anxiety disorders...
September 2018: International Journal of Methods in Psychiatric Research
Petr Winkler, Tomáš Formánek, Karolína Mladá, Pavla Cermakova
OBJECTIVES: The CZEch Mental health Study (CZEMS) was launched to inform the ongoing mental health care reform. This paper describes rationale, methods, and the plan for the future analyses of this project. METHODS: A cross-sectional survey on a representative sample of the general adult noninstitutionalized population of the Czech Republic was conducted. Two-stage sampling was utilized and respondents were interviewed by centrally trained staff using a paper and pencil interviewing...
September 2018: International Journal of Methods in Psychiatric Research
Tammas Kelly
OBJECTIVES: Many studies indicate that bipolar disorders are underdiagnosed. Yet from 2007 to 2008, a series of publications asserted that bipolar disorders were being overdiagnosed. This review examines the methods used in the studies that reported bipolar disorders were being overdiagnosed. METHODS: A literature search for studies with original data related to overdiagnosis of bipolar disorders was performed. RESULTS: Four studies were found indicating bipolar disorders were being overdiagnosed...
September 2018: International Journal of Methods in Psychiatric Research
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