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Clinical Trial Summary

The goal of this a randomized controlled trial to test the effectiveness of a nature-based intervention called Open Sky School to reduce mental health problems among elementary school children. More specifically a two-arm clustered randomized controlled trial will be conducted in elementary schools across Québec, Canada. Following informed consent by teachers, parents and students, schools will be randomly assigned 1:1 to the intervention or the control group with a total of 2500 6th grade students and 100 teachers expected to participate. The primary and secondary research questions are as follows. The primary research question : - Is the intervention effective in reducing mental health problems in children from pre-to-post test (Social Behavior Questionnaire: self and teacher reports) ? The secondary research questions: - Is the intervention effective in improving children's depression, positive and negative affect, nature connectedness. eco-anxiety and pro-environmental behaviors ? - Is the intervention effective in improving teachers' well-being and affect ? - Are the benefits to children sustained benefits at 3 months follow-up ? - Is the primary question moderated by child's sex, child's disability status, the green space of neighbourhoods, the school's socio-economic position and teacher's experience wtih outdoor education ? The intervention will take place outdoors in a green-space (2 hours per week for 12 weeks) and include a toolkit of 30 activities to foster well-being (e.g. mindfulness) and academic competencies (e.g. mathematics). The control group will engage in teaching-as-usual and will be provided with the activity toolkit after the trial has been conducted. Questionnaires will be administered to students before, immediately after and 3 months after the intervention in both the control and intervention groups. Teachers in both groups will complete questionnaires before and immediately after the intervention.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05662436
Study type Interventional
Source McGill University
Contact Marie-Claude Geoffroy, PhD
Phone 514-691-5931
Email marie-claude.geoffroy@mcgill.ca
Status Not yet recruiting
Phase N/A
Start date December 20, 2022
Completion date September 23, 2023

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