Data of a randomized controlled trial of the Happy Lessons program: a school-based program to prevent depressive symptoms and strengthen well-being among Dutch pre-vocational students

DANS Data Station Social Sciences and Humanitiesvia DANS Data Stations (via DataCite) · bijgewerkt 19 juli 2026

Wat erin zit

This pilot randomized controlled trial (RCT) investigates the effectiveness of Happy Lessons (HL). This school-based program aims to prevent depression symptoms and enhance well-being among Dutch pre-vocational students. Classes within schools were randomized to intervention group (n = 124) or waitlist control group (n = 143). Students (n = 267, aged 11 to 15) completed questionnaires at baseline, 3- and 6-months follow-up. See the study protocol paper for a description of the data collection and collected variables. Study protocol: Rombouts, M., Duinhof, E. L., Kleinjan, M., Kraiss, J. T., Shields-Zeeman, L., & Monshouwer, K. (2022). A school-based program to prevent depressive symptoms and strengthen well-being among pre-vocational students (Happy Lessons): protocol for a cluster randomized controlled trial and implementation study. BMC public health, 22(1), 139.

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