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International Journal of Methods in Psychiatric Research

Merav Kovatch, Daniel Feingold, Odelia Elkana, Shaul Lev-Ran
Prescription opioid medications are commonly used for the treatment of chronic pain. Assessments of problematic opioid use among pain patients are inconsistent across studies, partially due to differences between various measures. Therefore, the most appropriate measure to use is often unclear. In this study we assessed problematic opioid use in a sample of 551 individuals receiving treatment for chronic pain, using three questionnaires: the Alcohol Use Disorder and Associated Disabilities Interview Schedule - Fourth Edition (AUDADIS-IV), the Current Opioid Misuse Measure (COMM) questionnaire and Portenoy's criteria (PC)...
October 23, 2016: International Journal of Methods in Psychiatric Research
Huifang Yin, Michael R Phillips, Klaas J Wardenaar, Guangming Xu, Johan Ormel, Hongjun Tian, Robert A Schoevers
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 risk-proportional subsample of 4,438 subjects was interviewed by psychiatrists using an expanded Chinese version of the Structured Clinical Interview for Diagnostic and Statistical Manual, Fourth Edition (DSM-IV) Axis I disorders (SCID)...
October 21, 2016: International Journal of Methods in Psychiatric Research
Claire Montlahuc, Emmanuel Curis, Sarah Flora Jonas, Frank Bellivier, Sylvie Chevret
Gaussian mixture analysis is frequently used to model the age-at-onset (AAO) in bipolar I disorder and identify homogeneous subsets of patients. This study aimed to examine whether, using admixture analysis of AAO, cross-sectional designs (which cause right truncation), unreliable diagnosis for individuals younger than 10 years old (which causes left truncation) and the selection criterion used for admixture analysis impact the number of identified subsets. A simulation study was performed. Different criteria - the likelihood ratio test (LRT), the Akaike information criterion (AIC), and the Bayesian information criterion (BIC) - were compared using no, left and/or right truncation simulated data...
October 21, 2016: International Journal of Methods in Psychiatric Research
Demet Dingoyan, Mike Mösko, Yadigar Imamoğlu, Alessa von Wolff, Jens Strehle, Hans-Ulrich Wittchen, Holger Schulz, Uwe Koch-Gromus, Andreas Heinz, Ulrike Kluge
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)...
October 21, 2016: International Journal of Methods in Psychiatric Research
Diogo A DeSousa, André L Moreno, Flávia L Osório, José Alexandre S Crippa, Richard LeBeau, Gisele G Manfro, Giovanni A Salum, Silvia H Koller
The DSM-5 highlights the use of dimensional assessments of mental health as a supplement to categorical diagnoses. This study investigated the psychometric properties of the DSM-5 Dimensional Anxiety Scales in a Brazilian community sample. Dimensional scales for generalized anxiety disorder, social anxiety disorder, panic disorder, agoraphobia, and specific phobia were administered to 930 adults aged 18 to 70, 64.2% female. Psychometric properties investigated were: unidimensionality; measurement invariance; internal consistency; composite reliability; test-retest reliability; convergent and divergent validity; category thresholds and item performance analyses...
October 16, 2016: International Journal of Methods in Psychiatric Research
H Felix Fischer, Inka Wahl, Sandra Nolte, Gregor Liegl, Elmar Brähler, Bernd Löwe, Matthias Rose
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 R(2) -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...
October 16, 2016: International Journal of Methods in Psychiatric Research
Werner Fey, Franz Moggi, Kristina B Rohde, Chantal Michel, Andrea Seitz, Maria Stein
The availability of appropriate stimulus material is a key concern for an experimental approach to research on alcohol use disorders (AUDs). A large number of such stimuli are necessary to evoke relevant alcohol-related associations. We report the development of a large stimulus database consisting of 457 pictures of alcoholic beverages and 398 pictures of neutral objects. These stimuli were rated by 18 inpatients hospitalized due to severe AUD and 18 healthy controls along four dimensions: arousal, valence, alcohol-relatedness, and craving...
October 12, 2016: International Journal of Methods in Psychiatric Research
Sharon R Sznitman
Defensible use of self-reported cannabis use problem scales in age comparative frameworks requires that measured constructs have equal psychometric properties across age groups. This study compares the psychometric properties of the Cannabis Abuse Screening Test (CAST) across three age groups (18-24, 25-29, 30-40). Data was collected online from an accessible sample of 1316 cannabis users. Factor analysis compared the optimal factor structure and dimensionality diffraction. Multi-group Model Invariance tests examined measurement invariance across the three age groups...
October 10, 2016: International Journal of Methods in Psychiatric Research
J Christopher Fowler, Michelle A Patriquin, Alok Madan, Jon G Allen, B Christopher Frueh, John M Oldham
BACKGROUND: This study assessed the incremental validity of the Personality Inventory for DSM-5 (PID-5) beyond the impact of demographic, burden of illness, five-factor model of personality, and DSM-5 personality disorder criteria with respect to associations with admission psychiatric symptoms and functional disability. METHODS: Psychiatric inpatients (N = 927) were administered the Big Five Inventory, PID-5, and personality disorder criteria counts. Prior treatment utilization, as well as baseline depression, anxiety, emotion regulation, and functional disability were administered within two days of the personality measures...
September 27, 2016: International Journal of Methods in Psychiatric Research
Yu-Hsuan Lin, Yuan-Chien Pan, Sheng-Hsuan Lin, Sue-Huei Chen
Smartphone addiction is considered a form of technological addiction that has attracted increasing attention. The present study developed and validated the short-form Smartphone Addiction Inventory (SPAI-SF) and established cutoff point for screening smartphone addiction based on diagnostic criteria established by psychiatric interview. A total of 268 participants completed an online survey that collected demographic data, smartphone use behaviours, and responses to the 26-item SPAI. Each participant also completed a psychiatric interview...
September 23, 2016: International Journal of Methods in Psychiatric Research
Omayma Alshaarawy, James C Anthony
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 standardized items in cannabis modules...
September 23, 2016: International Journal of Methods in Psychiatric Research
Melissa A MacLeod, Paul F Tremblay, Kathryn Graham, Sharon Bernards, Jürgen Rehm, Samantha Wells
The 12-item World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) is a brief measurement tool used cross-culturally to capture the multi-dimensional nature of disablement through six domains, including: understanding and interacting with the world; moving and getting around; self-care; getting on with people; life activities; and participation in society. Previous psychometric research supports that the WHODAS 2.0 functions as a general factor of disablement. In a pooled dataset from community samples of adults (N = 447) we used confirmatory factor analysis to confirm a one-factor structure...
September 15, 2016: International Journal of Methods in Psychiatric Research
Marie-Hélène Metzger, Nastassia Tvardik, Quentin Gicquel, Côme Bouvry, Emmanuel Poulet, Véronique Potinet-Pagliaroli
The aim of this study was to determine whether an expert system based on automated processing of electronic health records (EHRs) could provide a more accurate estimate of the annual rate of emergency department (ED) visits for suicide attempts in France, as compared to the current national surveillance system based on manual coding by emergency practitioners. A feasibility study was conducted at Lyon University Hospital, using data for all ED patient visits in 2012. After automatic data extraction and pre-processing, including automatic coding of medical free-text through use of the Unified Medical Language System, seven different machine-learning methods were used to classify the reasons for ED visits into "suicide attempts" versus "other reasons"...
September 15, 2016: International Journal of Methods in Psychiatric Research
Pierre Schweitzer, Mathilde Husky, Michèle Allard, Hélène Amieva, Karine Pérès, Alexandra Foubert-Samier, Jean-François Dartigues, Joel Swendsen
Mobile cognitive testing may be used to help characterize subtle deficits at the earliest stages of cognitive decline. Despite growing interest in this approach, comprehensive information concerning its feasibility and validity has been lacking in elderly samples. Over a one-week period, this study applied mobile cognitive tests of semantic memory, episodic memory and executive functioning in a cohort of 114 elderly non-demented community residents. While the study acceptance rate was moderate (66%), the majority of recruited individuals met minimal compliance thresholds and responded to an average of 82% of the repeated daily assessments...
August 19, 2016: International Journal of Methods in Psychiatric Research
Beatriz Cobo, M Mar Rueda, Francisca López-Torrecillas
Cannabis is the most widely used illicit drug in developed countries, and has a significant impact on mental and physical health in the general population. Although the evaluation of levels of substance use is difficult, a method such as the randomized response technique (RRT), which includes both a personal component and an assurance of confidentiality, provides a combination which can achieve a considerable degree of accuracy. Various RRT surveys have been conducted to measure the prevalence of drug use, but to date no studies have been made of the effectiveness of this approach in surveys with respect to quantitative variables related to drug use...
August 2, 2016: International Journal of Methods in Psychiatric Research
Artemis Koukounari, Argyris Stringaris, Barbara Maughan
Maternal depression in the peri-natal period is associated with increased risk for young adult depression in offspring. This study explored mediation of these links via trajectories of child conduct and emotional problems (Strengths and Difficulties Questionnaire) from ages 4-16 years old in data from the Avon Longitudinal Study of Parents and Children cohort (n = 13373). Through gender-specific structural equation models, a composite measure of exposure to early maternal depression (Edinburgh Postnatal Depression Scale), predicted young adult depression at age 18 (Revised Clinical Interview Schedule - distal outcome)...
July 29, 2016: International Journal of Methods in Psychiatric Research
Jan van Bebber, Johanna T W Wigman, Rob R Meijer, Helga K Ising, David van den Berg, Judith Rietdijk, Sara Dragt, Rianne Klaassen, Dorien Nieman, Peter de Jonge, Sjoerd Sytema, Marieke Wichers, Don Linszen, Mark van der Gaag, Lex Wunderink
Computerized adaptive tests (CATs) for positive and negative psychotic experiences were developed and tested in N = 5705 help-seeking, non-psychotic young individuals. Instead of presenting all items, CATs choose a varying number of different items during test administration depending on respondents' previous answers, reducing the average number of items while still obtaining accurate person estimates. We assessed the appropriateness of two-parameter logistic models to positive and negative symptoms of the Prodromal Questionnaire (PQ), computed measurement precision of all items and resulting adaptive tests along psychotic dimensions by Real Data Simulations (RDS), and computed indices for criterion and predictive validities of the CATs...
July 29, 2016: International Journal of Methods in Psychiatric Research
Eline L Möller, Susan M Bögels
With DSM-5, the American Psychiatric Association encourages complementing categorical diagnoses with dimensional severity ratings. We therefore examined the psychometric properties of the DSM-5 Dimensional Anxiety Scales, a set of brief dimensional scales that are consistent in content and structure and assess DSM-5-based core features of anxiety disorders. Participants (285 males, 255 females) completed the DSM-5 Dimensional Anxiety Scales for social anxiety disorder, generalized anxiety disorder, specific phobia, agoraphobia, and panic disorder that were included in previous studies on the scales, and also for separation anxiety disorder, which is included in the DSM-5 chapter on anxiety disorders...
September 2016: International Journal of Methods in Psychiatric Research
Gabry W Mies, Erik De Water, Anouk Scheres
A preference for smaller immediate rewards over larger delayed rewards (delay discounting, DD) is common in attention deficit hyperactivity disorder (ADHD), but rarely investigated in depression. Whether this preference is due to sensitivity to reward immediacy or delay aversion remains unclear. To investigate this, we examined whether ADHD and depressive symptoms are associated with preference reversals: a switch from smaller immediate rewards to larger delayed rewards when smaller rewards are also delayed...
September 2016: International Journal of Methods in Psychiatric Research
Travis H Turner, Jenna B Renfroe, Kristen Morella, Bernadette P Marriott
Many randomized controlled trials (RCTs) of neuropsychiatric conditions involve cognitive outcome measures; however, validity of cognitive data relies on adequate effort during testing, and such screening is seldom performed. Given well-established rates of 10 to 30% poor effort in clinical settings, this is not a trivial concern. This preliminary study evaluated effort during cognitive testing in an RCT of omega-3 supplementation to reduce suicidality in a high-risk psychiatric population. An interim analysis of sustained attentions measures from the Connors Performance Test (CPT-2) at baseline for the first 60 participants was conducted...
September 2016: International Journal of Methods in Psychiatric Research
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