O'Kane 2020.

Study name	Walking in ScHools (WISH)
Methods	Type of trial: effectiveness Allocation: cluster‐randomised Intervention model: parallel assignment Masking: open
Participants	Estimated number of schools: 18 Estimated number of students: 384 Inclusion criteria (schools): post‐primary schools in Northern Ireland and Ireland. Schools in Northern Ireland must have at least 80 girls in years 9 and 10 and must be located in Co. Derry/Londonderry. Schools in Ireland; must have enrolment of > 240 girls and must be located in Co. Donegal Exclusion criteria (schools): ‐  Inclusion criteria (students): female students in year 9/10 (North Ireland) and in first/second year (Ireland)  Exclusion criteria (students): students who are unable to walk, or for whom walking is contraindicated
Interventions	Intervention: peer‐led walking intervention, based on previous feasibility trial Comparator: ‐
Outcomes	Primary outcome: total physical activity Secondary outcomes: total physical activity and mid‐point and follow‐up; time spent in sedentary, light, moderate, and vigorous activity; proportion of students meeting physical activity guidelines; height, weight, BMI, waist and hip circumference; coping, resilience, and cognitive reappraisal; sleep quality, duration, and efficiency; social media use; social integration; emotional connection to social media; body weight and appearance satisfaction Other outcomes: process evaluation
Starting date	Trial start date: 01/09/2019 Trial completion date: ‐
Contact information	Responsible party/principal investigator: Dr Maria O’Kane; m.okane@ulster.ac.uk
Notes