Table 4.

Process evaluation of the three interventions based on school staff questionnaire data.

Process Evaluation Questions	School 1	School 2	School 3
It was good that the co-creation group could think of their own intervention to promote physical activity	Totally agree	Totally agree	Totally agree
Setting up a co-creation group with pupils fitted within the school’s view	Somewhat agree	Totally agree	Totally agree
The applied co-creational approach was good (i.e., a co-creation group of adolescents and a researcher during lunch break)	Totally agree	Totally agree	Totally agree
It was good that the co-creation group only consisted of girls	Neutral	Somewhat agree	Somewhat agree
It would be possible for the school to set up such co-creation group	Somewhat agree	Somewhat agree	Totally agree
The school has set up such co-creation group this school year	Totally disagree	Totally disagree	Neutral
I was satisfied with the developed intervention of the co-creation group	Somewhat agree	Somewhat agree	Totally agree
The intervention was in line with my expectations	Somewhat agree	Totally agree	Totally agree
The intervention promoted the adolescent girls to be more active	Totally agree	Somewhat agree	Totally agree
The intervention fitted within the school’s view	Totally agree	Totally agree	Totally agree
It would be possible for the school to organise such intervention activities	Totally agree	Somewhat agree	Totally agree
The school has organised such intervention activities this school year	Totally disagree	Somewhat disagree	Neutral