The iBerry study: a longitudinal cohort study of adolescents at high risk of psychopathology.

ABSTRACT: The iBerry study is a population-based cohort study designed to investigate the transition from subclinical symptoms to a psychiatric disorder. Adolescents were selected based on their self-reported emotional and/or behavioral problems assessed by completing the strengths and difficulties questionnaire-youth (SDQ-Y) in their first year of high school. A total of 16,736 SDQ-Y questionnaires completed in the academic years 2014-2015 and 2015-2016 by students in the greater Rotterdam area in the Netherlands were screened. A high-risk group of adolescents was then selected based on the 15% highest-scoring adolescents, and a low-risk group was randomly selected from the 85% lowest-scoring adolescents, with a 2.5:1 ratio between the number of high-risk and low-risk adolescents. These adolescents

SUBMITTER: Grootendorst-van Mil NH 

PROVIDER: S-EPMC8076148 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature