Table 1.

WISH Study Data Collection and Outcome Measures

Outcome measure	Baseline (T0)	Mid-intervention (T1)	End of intervention (T2)	13-month follow-up (T3)
Demographic information (age, postcode/Eircode)	X
Total physical activity (accelerometery)	X	X	X	X
Time spent in sedentary behaviour, and low, moderate and vigorous intensity physical activity (accelerometery)	X	X	X	X
Proportion of pupils meeting current physical activity recommendations (accelerometery)	X	X	X	X
BMI z-scores (height and weight)	X		X	X
Waist: hip ratio (waist and hip circumference)	X		X	X
Coping, resilience and cognitive reappraisal (Emotion Regulation Questionnaire for Children) [55]	X		X	X
Sleep quality, duration and efficiency (Pittsburgh Sleep Quality Index) [56]	X		X	X
Social media use, social integration and emotional connection to social media [57, 58]	X		X	X
Body weight and appearance satisfaction [59]	X		X	X
Self-efficacy for physical activity and walking [60]	X		X	X
Health-related quality of life (Kidscreen-10) [61]	X		X	X
Reasons for engaging in physical activity (BREQ-3) [62, 63]	X		X	X
Friendship nominations	X		X
Process evaluation: focus groups with all pupils (control & intervention)	X
Process evaluation: focus groups with intervention pupils			X
Process evaluation: walk leaders - perception of physical activity and fitness [64], physical activity self-efficacy [65], physical activity enjoyment [66] and leadership skills [67]	X		X
Process evaluation: interviews with walk leaders			X
Process evaluation: interviews with teachers			X

Abbreviations: BMI Body Mass Index