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The Dresden Predictor Study of anxiety and depression: objectives, design, and methods
Julia Trumpf1, Noortje Vriends, Andrea H Meyer
1Faculty of Psychology, Department of Clinical Psychology and Psychotherapy, University of Basel, 4055 Basel, Switzerland. julia.trumpf@unibas.ch
Objective:
The present report describes the objectives, design, and methods of the Dresden Predictor Study (DPS) of anxiety and depression, a prospective epidemiological study investigating anxiety disorders and depression in 3,065 young German women (18-25 years of age).
Materials And Methods:
The DPS consists of a baseline and one follow-up investigation separated by approximately 17 months. At both time points, respondents were diagnosed according to the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) using an extended German version of the Anxiety Disorders Interview Schedule (ADIS-IV-L). In addition to diagnostic assessment, respondents completed a battery of self-report questionnaires that provided detailed information about potential predictors of disorders and a comprehensive dimensional assessment of psychopathology.
Discussion And Conclusions:
Results on both response bias in the baseline investigation and effects of dropout at follow-up are presented, and strengths and limitations of the study design are discussed.