Table 1.

Overview of concepts in the child questionnaire

Theme/concept	N items	Example of items
Demographics	9	Gender; Date of birth; Home address
Transportation options	3	How did you come to school this morning? (MC-9)
PA & SB	12	On how many days per week do you play outdoors? (Open) + duration question
Neighborhood perceptions	7	There is heavy traffic in our local streets (Lik-4)
Rules and practices at home	4	At home we have rules about using the computer or watching TV (Lik-4)
PA preferences	28	Visualized comparisons, e.g. outdoor play vs. reading
Impulsivity	13	I often rush into new things (Lik-5)
Process	4	On a scale from 1–10, how much fun do you think Active Living was to participate in? (SC)

MC-9 Multiple Choice (9 options), Lik-X X-points Likert Scale, SC Scale