Evaluating short and mid-term effects of the “healthy mind, healthy body” school-based program among youth

Blackburn, M.-È., Auclair, J., Brault, M.-C., Bégin, C., Jean, M., Hamel, C., Gagnon, J., Dufour-Bouchard, A.-A., Desrochers, S.-L., Mercier, M. et Dion, J. (2026). Evaluating short and mid-term effects of the “healthy mind, healthy body” school-based program among youth. Journal of Affective Disorders, 406 . Article 121707. ISSN 0165-0327 1573-2517 DOI 10.1016/j.jad.2026.121707

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Résumé

Abstract

Purpose
To evaluate short- and mid-term effects of the school-based program Healthy Mind, Healthy Body (HMHB), designed to foster a positive body image and healthy lifestyle habits in seventh- and tenth-grade adolescents.

Methods
A case-control study was conducted in two high schools in Quebec (Canada). All Grade 7 (mean age = 12.0 years) and Grade 10 (mean age = 15.2 years) students were invited to complete online questionnaires at three time points: baseline (W0 – October 2016), one month after the five-hour school-based program delivered through monthly workshops over a five-month period (W1 – May 2017), and six months later (W2 – October 2017). A total of 740 students at W0 (intervention = 401, control = 339) completed the questionnaire measuring self-esteem, appearance satisfaction, fear of negative evaluation, weight control attempts, media influence, and photo manipulation online.

Results
Generalized linear mixed models revealed changes in global self-esteem and body dissatisfaction across the school years. Compared to controls, youth in the experimental group reported higher self-esteem, less media influence, fewer weight gain attempts, and less photo manipulation online.

Conclusion
Findings suggest the HMHB program may help adolescents improve body esteem, inform best practices for school-based programs, and support their implementation in schools.

Type de document:	Article
Mots-clés libres:	Adolescents Body image Appearance satisfaction School-based program Self-esteem Media influence Appearance evaluation Dieting attitudes Photo manipulation
Date de dépôt:	30 juill. 2026 15:16
Dernière modification:	30 juill. 2026 15:16
Version du document déposé:	Post-print (version corrigée et acceptée)
URI:	https://depot-e.uqtr.ca/id/eprint/13100

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