Psychosis risk screening: Validation of the youth psychosis at ‐risk questionnaire – brief in a community‐derived sample of adolescents
International Journal of Methods in Psychiatric Research,Volume 26, Issue 4, December 2017. (Source: International Journal of Methods in Psychiatric Research)
Source: International Journal of Methods in Psychiatric Research - October 27, 2016 Category: Psychiatry Source Type: research

Psychosis risk screening: Validation of the youth psychosis at ‐risk questionnaire – brief in a community‐derived sample of adolescents
Abstract There have been several attempts to identify individuals potentially at high risk for psychotic‐spectrum disorders using brief screening measures. However, relatively few studies have tested the psychometric properties of the psychosis screening measures in representative samples of adolescents. The main purpose of the present study was to analyse the prevalence, factorial structure, measurement invariance across gender, and reliability of the Youth Psychosis At‐Risk Questionnaire – Brief (YPARQ‐B) in a community‐derived sample of adolescents. Additionally, the relationship between YPARQ‐B, depressive ...
Source: International Journal of Methods in Psychiatric Research - October 26, 2016 Category: Psychiatry Authors: Eduardo Fonseca ‐Pedrero, Javier Ortuño‐Sierra, Edurne Chocarro, Felix Inchausti, Martin Debbané, Julio Bobes Tags: ORIGINAL ARTICLE Source Type: research

Evaluation and comparison of tools for diagnosing problematic prescription opioid use among chronic pain patients
International Journal of Methods in Psychiatric Research,Volume 26, Issue 4, December 2017. (Source: International Journal of Methods in Psychiatric Research)
Source: International Journal of Methods in Psychiatric Research - October 23, 2016 Category: Psychiatry Source Type: research

Development and feasibility of the computerized Turkish edition of the Composite International Diagnostic Interview [DIA ‐X/CIDI version 2.8(TR)]
Abstract The Composite International Diagnostic Interview (CIDI), which has been widely applied in epidemiological research, is a standardized, clinically structured interview that enables the diagnosis of mental disorders based on DSM and ICD criteria. The computerized DIA‐X CIDI Version 2.8 investigated in this study is an adaptation of the German DIA‐X/Munich CIDI, which was translated in a multi‐step process into Turkish and used to survey the prevalence of mental disorders in individuals with Turkish migration backgrounds in Germany (N = 662). The bilingual lay interviewers were intensively trained and supervi...
Source: International Journal of Methods in Psychiatric Research - October 20, 2016 Category: Psychiatry Authors: Demet Dingoyan, Mike M ösko, Yadigar Imamoğlu, Alessa Wolff, Jens Strehle, Hans‐Ulrich Wittchen, Holger Schulz, Uwe Koch‐Gromus, Andreas Heinz, Ulrike Kluge Tags: ORIGINAL ARTICLE Source Type: research

The Tianjin Mental Health Survey (TJMHS): study rationale, design and methods
Abstract Mental health in China is of growing concern to both policy‐makers and researchers. The Tianjin Mental Health Survey (TJMHS) was conducted between July 2011 and March 2012 to assess the prevalence and risk factors of mental disorders in the context of recent economic growth and other socio‐demographic changes in Tianjin, a municipality of 13 million on China's eastern seaboard. A multistage cluster random sample selected using probability proportionate to size methods participated in a two‐phase screening procedure: 11,748 subjects 18 or older were screened for risk of psychopathology and then an enriched ri...
Source: International Journal of Methods in Psychiatric Research - October 20, 2016 Category: Psychiatry Authors: Huifang Yin, Michael R. Phillips, Klaas J. Wardenaar, Guangming Xu, Johan Ormel, Hongjun Tian, Robert A. Schoevers Tags: ORIGINAL ARTICLE Source Type: research

Language ‐related differential item functioning between English and German PROMIS Depression items is negligible
International Journal of Methods in Psychiatric Research,Volume 26, Issue 4, December 2017. (Source: International Journal of Methods in Psychiatric Research)
Source: International Journal of Methods in Psychiatric Research - October 16, 2016 Category: Psychiatry Source Type: research

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International Journal of Methods in Psychiatric Research,Volume 26, Issue 4, December 2017. (Source: International Journal of Methods in Psychiatric Research)
Source: International Journal of Methods in Psychiatric Research - October 16, 2016 Category: Psychiatry Source Type: research

Language ‐related differential item functioning between English and German PROMIS Depression items is negligible
Abstract To investigate differential item functioning (DIF) of PROMIS Depression items between US and German samples we compared data from the US PROMIS calibration sample (n = 780), a German general population survey (n = 2,500) and a German clinical sample (n = 621). DIF was assessed in an ordinal logistic regression framework, with 0.02 as criterion for R2‐change and 0.096 for Raju's non‐compensatory DIF. Item parameters were initially fixed to the PROMIS Depression metric; we used plausible values to account for uncertainty in depression estimates. Only four items showed DIF. Accounting for DIF led to negligi...
Source: International Journal of Methods in Psychiatric Research - October 15, 2016 Category: Psychiatry Authors: H. Felix Fischer, Inka Wahl, Sandra Nolte, Gregor Liegl, Elmar Br ähler, Bernd Löwe, Matthias Rose Tags: ORIGINAL ARTICLE Source Type: research

The Cannabis Abuse Screening Test (CAST) revisited: examining measurement invariance by age
International Journal of Methods in Psychiatric Research,Volume 26, Issue 4, December 2017. (Source: International Journal of Methods in Psychiatric Research)
Source: International Journal of Methods in Psychiatric Research - October 10, 2016 Category: Psychiatry Source Type: research

The replicability of cannabis use prevalence estimates in the United States
Abstract Recent changes in cannabis policy in the United States have prompted increased interest in cannabis use estimates, and replicability of these estimates. Here, we compare prevalence estimates from two concurrent approaches: (1) standard social survey with audio computer‐assisted self‐interviews at respondent's home (ACASI‐H), derived from the National Surveys on Drug Use and Health (NSDUH), and (2) standard health survey with ACASI assessment in a mobile health examination vehicle (ACASI‐M), derived from National Health and Nutrition Examination Surveys (NHANES), 2005–2012, with essentially the same stand...
Source: International Journal of Methods in Psychiatric Research - September 22, 2016 Category: Psychiatry Authors: Omayma Alshaarawy, James C. Anthony Tags: Original Article Source Type: research

Use of emergency department electronic medical records for automated epidemiological surveillance of suicide attempts: a French pilot study
This study demonstrates that machine‐learning methods can improve the quality of epidemiological indicators as compared to current national surveillance of suicide attempts. (Source: International Journal of Methods in Psychiatric Research)
Source: International Journal of Methods in Psychiatric Research - September 14, 2016 Category: Psychiatry Authors: Marie ‐Hélène Metzger, Nastassia Tvardik, Quentin Gicquel, Côme Bouvry, Emmanuel Poulet, Véronique Potinet‐Pagliaroli Tags: ORIGINAL ARTICLE Source Type: research

Issue Information
No abstract is available for this article. (Source: International Journal of Methods in Psychiatric Research)
Source: International Journal of Methods in Psychiatric Research - September 5, 2016 Category: Psychiatry Tags: Issue Information Source Type: research

Effects of sample size and distributional assumptions on competing models of the factor structure of the PANSS and BPRS
Abstract Factor analytic work on the Positive and Negative Syndrome Scale (PANSS) and Brief Psychiatric Rating Scale (BPRS) has yielded varied and conflicting results. The current study explored potential causes of these discrepancies. Prior research has been limited by small sample sizes and an incorrect assumption that the items are normally distributed when in practice responses are highly skewed ordinal variables. Using simulation methodology, we examined the effects of sample size, (in)correctly specifying item distributions, collapsing rarely endorsed response categories, and four factor analytic models. The first is...
Source: International Journal of Methods in Psychiatric Research - August 31, 2016 Category: Psychiatry Authors: Stephen J. Tueller, Kiersten L. Johnson, Kevin J. Grimm, Sarah L. Desmarais, Brian G. Sellers, Richard A. Van Dorn Tags: ORIGINAL ARTICLE Source Type: research

Person misfit on the Inventory of Depressive Symptomatology: Low quality self ‐report or true atypical symptom profile?
Abstract Person misfit on a self‐report measure refers to a response pattern that is unlikely given a theoretical measurement model. Person misfit may reflect low quality self‐report data, for example due to random responding or misunderstanding of items. However, recent research in the context of psychopathology suggests that person misfit may reflect atypical symptom profiles that have implications for diagnosis or treatment. We followed‐up on Wanders et al. (Journal of Affective Disorders, 180, 36–43, 2015) who investigated person misfit on the Inventory of Depressive Symptomatology (IDS) in the Netherlands Stud...
Source: International Journal of Methods in Psychiatric Research - August 31, 2016 Category: Psychiatry Authors: Judith M. Conijn, Philip Spinhoven, Rob R. Meijer, Femke Lamers Tags: ORIGINAL ARTICLE Source Type: research

A new statistical model for the Day Reconstruction Method
Abstract The Day Reconstruction Method (DRM) is a method to measure one's subjective affective status by soliciting information in a questionnaire about the previous day's activities. We developed a new model to examine the association of daily activities, the friendliness of interacting partners, and time‐of‐day on net affect scores among 10,377 adults participating in the World Health Organization's Study on global ageing and adult health (SAGE). A multilevel regression was fitted and the time‐of‐day effect was modeled by restricted cubic spline. The net affect score was a serpentine curve; stable from 4 a.m. to...
Source: International Journal of Methods in Psychiatric Research - August 31, 2016 Category: Psychiatry Authors: Paul H. Lee, Andy C.Y. Tse, Ka Yiu Lee Tags: ORIGINAL ARTICLE Source Type: research