Accessible mental well-being intervention for adolescents in school settings: a single-group intervention study using a pretest–post-test design

Abstract

Background: A growing number of adolescents seek treatment for mental health problems, a circumstance that stresses the importance of implementing accessible treatment options. This study evaluates the impacts of brief, mental well-being intervention for adolescents in a school environment. As mental health interventions are often targeted at specific disorders, we sought a comprehensive approach to reach adolescents with a range of mental health symptoms. Methods: Single-group intervention study with a pretest–posttest design was utilized and conducted in lower, upper secondary, and vocational schools on adolescents ages 12–18 who sought medical attention for mental health symptoms. The cut-off point for inclusion was ≥ 14, for the Young Persons Clinical Outcomes for routine Evaluation (YP-CORE) measurement. The intervention included six face-to-face visits implemented by psychiatric nurses who received a 3-day training course. The impacts were evaluated after 6 weeks (n = 87) and again at 6 months (n = 68) and assessed using the YP-CORE, Beck Depression Inventory (BDI-II) and Overall Anxiety Severity and Impairment Scale (OASIS). Results: The participants reported significant levels of mental distress at baseline with a YP-CORE mean score = 21.48, a BDI-II mean score = 23.60, OASIS mean score = 10.98. Post-intervention results at 6 weeks for the primary outcome YP-CORE showed a significant (p