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International Journal of Methods in Psychiatric Research

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https://www.readbyqxmd.com/read/28322476/optimizing-exposure-based-cbt-for-anxiety-disorders-via-enhanced-extinction-design-and-methods-of-a-multicentre-randomized-clinical-trial
#1
Ingmar Heinig, Andre Pittig, Jan Richter, Katrin Hummel, Isabel Alt, Kristina Dickhöver, Jennifer Gamer, Maike Hollandt, Katja Koelkebeck, Anne Maenz, Sophia Tennie, Christina Totzeck, Yunbo Yang, Volker Arolt, Jürgen Deckert, Katharina Domschke, Thomas Fydrich, Alfons Hamm, Jürgen Hoyer, Tilo Kircher, Ulrike Lueken, Jürgen Margraf, Peter Neudeck, Paul Pauli, Winfried Rief, Silvia Schneider, Benjamin Straube, Andreas Ströhle, Hans-Ulrich Wittchen
Exposure-based psychological interventions currently represent the empirically best established first line form of cognitive-behavioural therapy for all types of anxiety disorders. Although shown to be highly effective in both randomized clinical and other studies, there are important deficits: (1) the core mechanisms of action are still under debate, (2) it is not known whether such treatments work equally well in all forms of anxiety disorders, including comorbid diagnoses like depression, (3) it is not known whether an intensified treatment with more frequent sessions in a shorter period of time provides better outcome than distributed sessions over longer time intervals...
March 21, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28276176/user-profiles-of-an-electronic-mental-health-tool-for-ecological-momentary-assessment-memind
#2
María Luisa Barrigón, Sofian Berrouiguet, Juan José Carballo, Covadonga Bonal-Giménez, Pablo Fernández-Navarro, Bernadette Pfang, David Delgado-Gómez, Philippe Courtet, Fuensanta Aroca, Jorge Lopez-Castroman, Antonio Artés-Rodríguez, Enrique Baca-García
Ecological momentary assessment (EMA) is gaining importance in psychiatry. This article assesses the characteristics of patients who used a new electronic EMA tool: the MEmind Wellness Tracker. Over one year, 13811 adult outpatients in our Psychiatry Department were asked to use MEmind. We collected information about socio-demographic data, psychiatric diagnoses, illness severity, stressful life events and suicidal thoughts/behavior. We compared active users (N = 2838) and non-active users (N = 10,973) of MEmind and performed a Random Forest analysis to assess which variables could predict its use...
March 9, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28233360/emergency-department-and-inpatient-coding-for-self-harm-and-suicide-attempts-validation-using-clinician-assessment-data
#3
Jason R Randall, Leslie L Roos, Lisa M Lix, Laurence Y Katz, James M Bolton
Administrative data have been used to determine the occurrence of suicide attempts and deliberate self-harm, but research about the accuracy of these sources is limited. This study used a clinical sample (n = 5719) containing psychiatry consultations from the emergency departments and inpatient units of the two major tertiary hospitals in Winnipeg, Canada to validate the accuracy of inpatient hospital diagnosis codes at identifying presentations for self-harm and suicide attempts. The Columbia Classification Algorithm of Suicide Assessment (C-CASA) was used as the gold standard...
February 24, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28211597/data-quality-assurance-and-control-in-cognitive-research-lessons-learned-from-the-predict-hd-study
#4
Holly James Westervelt, Rachel A Bernier, Melanie Faust, Mary Gover, H Jeremy Bockholt, Roland Zschiegner, Jeffrey D Long, Jane S Paulsen
We discuss the strategies employed in data quality control and quality assurance for the cognitive core of Neurobiological Predictors of Huntington's Disease (PREDICT-HD), a long-term observational study of over 1,000 participants with prodromal Huntington disease. In particular, we provide details regarding the training and continual evaluation of cognitive examiners, methods for error corrections, and strategies to minimize errors in the data. We present five important lessons learned to help other researchers avoid certain assumptions that could potentially lead to inaccuracies in their cognitive data...
February 17, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28211596/the-structure-of-adult-adhd
#5
Lenard A Adler, Stephen V Faraone, Thomas J Spencer, Patricia Berglund, Samuel Alperin, Ronald C Kessler
Although DSM-5 stipulates that symptoms of attention-deficit hyperactivity disorder (ADHD) are the same for adults as children, clinical observations suggest that adults have more diverse deficits than children in higher-level executive functioning and emotional control. Previous psychometric analyses to evaluate these observations have been limited in ways addressed in the current study, which analyzes the structure of an expanded set of adult ADHD symptoms in three pooled US samples: a national household sample, a sample of health plan members, and a sample of adults referred for evaluation at an adult ADHD clinic...
February 17, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28211594/substance-dependence-among-those-without-symptoms-of-substance-abuse-in-the-world-mental-health-survey
#6
Luise Lago, Meyer D Glantz, Ronald C Kessler, Nancy A Sampson, Ali Al-Hamzawi, Silvia Florescu, Jacek Moskalewicz, Sam Murphy, Fernando Navarro-Mateu, Yolanda Torres de Galvis, Maria Carmen Viana, Miguel Xavier, Louisa Degenhardt
The World Health Organization (WHO) World Mental Health (WMH) Survey Initiative uses the Composite International Diagnostic Interview (CIDI). The first 13 surveys only assessed substance dependence among respondents with a history of substance abuse; later surveys also assessed substance dependence without symptoms of abuse. We compared results across the two sets of surveys to assess implications of the revised logic and develop an imputation model for missing values of lifetime dependence in the earlier surveys...
February 17, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28211592/a-methodology-for-assessing-deployment-trauma-and-its-consequences-in-oef-oif-ond-veterans-the-tracts-longitudinal-prospective-cohort-study
#7
Regina E McGlinchey, William P Milberg, Jennifer R Fonda, Catherine Brawn Fortier
Many US veterans of Afghanistan and Iraq have multiple physical and psychiatric problems. A major focus of research has been on determining the effects of mild Traumatic Brain Injury (mTBI), but mTBI is rarely diagnosed in the absence of co-occurring conditions such as blast exposure, post-traumatic stress disorder (PTSD), depression, substance abuse, etc. These potentially interactive psychological and physical conditions produce complex patterns of cognitive, psychological, and physical symptoms that impede civilian reintegration and complicate efficient and effective treatment planning...
February 17, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28150357/prevalence-and-correlates-of-somatoform-disorders-in-the-elderly-results-of-a-european-study
#8
Maria Christina Dehoust, Holger Schulz, Martin Härter, Jana Volkert, Susanne Sehner, Anna Drabik, Karl Wegscheider, Alessandra Canuto, Kerstin Weber, Mike Crawford, Alan Quirk, Luigi Grassi, Chiara DaRonch, Manuel Munoz, Berta Ausin, Anna Santos-Olmo, Arieh Shalev, Ora Rotenstein, Yael Hershkowitz, Jens Strehle, Hans-Ulrich Wittchen, Sylke Andreas
Somatoform disorders have rarely been addressed in epidemiological and health care services studies of the elderly. The few existing studies vary considerably in their methodologies limiting comparability of findings. Data come from the MentDis_ICF65+ study, in which a total of 3142 community-dwelling respondents aged 65-84 years from six different countries were assessed by the Composite International Diagnostic Interview adapted to the needs of the elderly (CIDI65+). The 12-month prevalence rate for any somatoform disorders was found to be 3...
February 1, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28147466/cross-cultural-measurement-invariance-of-the-general-health-questionnaire-12-in-a-german-and-a-colombian-population-sample
#9
Matthias Romppel, Andreas Hinz, Carolyn Finck, Jeremy Young, Elmar Brähler, Heide Glaesmer
While the General Health Questionnaire, 12-item version (GHQ-12) has been widely used in cross-cultural comparisons, rigorous tests of the measurement equivalence of different language versions are still lacking. Thus, our study aims at investigating configural, metric and scalar invariance across the German and the Spanish version of the GHQ-12 in two population samples. The GHQ-12 was applied in two large-scale population-based samples in Germany (N = 1,977) and Colombia (N = 1,500). To investigate measurement equivalence, confirmatory factor analyses were conducted in both samples...
February 1, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28120519/mercy-pregnancy-and-emotional-well-being-study-mpews-understanding-maternal-mental-health-fetal-programming-and-child-development-study-design-and-cohort-profile
#10
Megan Galbally, Marinus van IJzendoorn, Michael Permezel, Richard Saffery, Martha Lappas, Joanne Ryan, Elisabeth van Rossum, Andrew R Johnson, Douglas Teti, Andrew J Lewis
Maternal mental health represents a significant global health burden. The Mercy Pregnancy and Emotional Well-being Study (MPEWS) was established to provide a comprehensive investigation of early developmental mechanisms and modifiers for maternal, fetal and child emotional well-being. MPEWS is a prospective, longitudinal study from pregnancy to 36 months postpartum that includes diagnostic measures of maternal mental health, observational measures of the mother-infant relationship, measures of child development, and repeat biological sampling...
January 25, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28090698/presentation-and-validation-of-the-duckees-child-and-adolescent-dynamic-facial-expressions-stimulus-set
#11
Nicole R Giuliani, John C Flournoy, Elizabeth J Ivie, Arielle Von Hippel, Jennifer H Pfeifer
The stimulus sets presently used to study emotion processing are primarily static pictures of individuals (primarily adults) making emotional facial expressions. However, the dynamic, stereotyped movements associated with emotional expressions contain rich information missing from static pictures, such as the difference between happiness and pride. We created a set of 1.1 s dynamic emotional facial stimuli representing boys and girls aged 8-18. A separate group of 36 individuals (mean [M] age = 19.5 years, standard deviation [SD] = 1...
January 16, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28032375/evaluating-psychological-distress-data
#12
James McIntosh
Kessler k6 psychological distress scores are analyzed using a count model and item response theory (IRT) models are applied to the items which produce the k6 score and generate an alternative distress score, θ(*) . Other ways of utilizing the constituent items are also examined. The data used in the analysis comes from the 2014 National Survey of Drug Use and Health. Three important results emerge. First, θ(*) and k6 are not highly correlated and their distributions are quite different. The k6 score gives a much more favourable picture of mental health than θ(*) ...
December 28, 2016: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27859868/preferences-of-psychiatric-practitioners-for-core-symptoms-of-major-depressive-disorder-a-hidden-conjoint-analysis
#13
Matthias W Riepe, Peter Gritzmann, Andreas Brieden
According to ICD-10 and DSM-V, symptoms of depressive disorder are considered to be equally important for severity judgment. It was the goal to investigate the weight of selected symptom complexes for severity judgment. In workaday life severity judgment results from an overall impression rather than from calculating severity in different symptom complexes, separately. In fact, the drivers for overall judgment may not be known explicitly to the psychiatrist himself. A method of choice to resolve this is conjoint analysis...
March 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27730743/development-of-stimulus-material-for-research-in-alcohol-use-disorders
#14
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...
March 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27345753/validation-of-the-ptsd-screening-cartoon-test-darryl-in-a-danish-clinical-sample-of-children-and-adolescents
#15
Sille Schandorph Løkkegaard, Stine Rønholt, Sidsel Karsberg, Ask Elklit
The current study examined the reliability and validity of a Danish adaptation of "Darryl", a cartoon-based measure of DSM-IV symptoms of post-traumatic stress disorder (PTSD) in a sample of Danish children and adolescents. Exposure to potentially traumatizing events, PTSD symptoms and diagnostic status were assessed in 65 children between the ages of 7 and 17 years old. Participants were recruited from a crisis centre for battered women and a school for children with emotional and behavioural problems. The study revealed that Darryl has good internal consistency for the overall scale and adequate reliability for each DSM-IV symptom cluster...
March 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27307353/the-match-cohort-study-in-the-netherlands-rationale-objectives-methods-and-baseline-characteristics-of-patients-with-long-term-common-mental-disorders
#16
Bauke Koekkoek, Willeke Manders, Indira Tendolkar, Giel Hutschemaekers, Bea Tiemens
Research in the last decades shows that common mental disorders may be long-term and severely disabling, resulting in severe mental illness (SMI). The percentage of Dutch SMI-patients with common mental disorders receiving mental health services is estimated at 65-70%. However, it is unclear which patients in fact become SMI-patients. We need to know more about the possible course of common mental disorders, understand the origins of chronicity in more detail, and have more insight in related care processes and care use of patients with common mental disorders...
March 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27981662/assessing-the-structure-of-the-cast-cannabis-abuse-screening-test-in-13-european-countries-using-multigroup-analyses
#17
Stéphane Legleye, Aida Eslami, Stéphanie Bougeard
Our aims are to describe and explain the structure of the Cannabis Abuse Screening Test (CAST) across countries. Standard statistical analyses fail to describe and explain several variables simultaneously while taking account of the group structure of individuals. The 2011 European School Survey Project on Alcohol and other Drugs (ESPAD): 5204 last-year cannabis users aged 15-16 from 13 European countries. Multigroup principal component analysis (mgPCA) and multigroup partial least squares (mgPLS). MgPCA shows that the CAST has a two-dimensional structure (frequency of use/problems and non-recreational use/dependency symptoms)...
December 15, 2016: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27910162/effects-of-sample-size-and-distributional-assumptions-on-competing-models-of-the-factor-structure-of-the-panss-and-bprs
#18
Stephen J Tueller, Kiersten L Johnson, Kevin J Grimm, Sarah L Desmarais, Brian G Sellers, Richard A Van Dorn
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...
December 2, 2016: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27634553/psychometric-properties-and-a-latent-class-analysis-of-the-12-item-world-health-organization-disability-assessment-schedule-2-0-whodas-2-0-in-a-pooled-dataset-of-community-samples
#19
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...
December 2016: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27417386/assessment-and-characterization-of-phenotypic-heterogeneity-of-anxiety-disorders-across-five-large-cohorts
#20
Minyoung Lee, Steven H Aggen, Takeshi Otowa, Enrique Castelao, Martin Preisig, Hans J Grabe, Catharina A Hartman, Albertine J Oldehinkel, Christel M Middeldorp, Henning Tiemeier, John M Hettema
To achieve sample sizes necessary for effectively conducting genome-wide association studies (GWASs), researchers often combine data from samples possessing multiple potential sources of heterogeneity. This is particularly relevant for psychiatric disorders, where symptom self-report, differing assessment instruments, and diagnostic comorbidity complicates the phenotypes and contribute to difficulties with detecting and replicating genetic association signals. We investigated sources of heterogeneity of anxiety disorders (ADs) across five large cohorts used in a GWAS meta-analysis project using a dimensional structural modeling approach including confirmatory factor analyses (CFAs) and measurement invariance (MI) testing...
December 2016: International Journal of Methods in Psychiatric Research
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