Table 1 Specific questions about parental attitudes towards their child

Possible

In my current situation, it’s absolutely possible to let my child participate in aerobic/strength exercises

Facilities

There are enough facilities to let my child participate in aerobic/strength exercises

Fit/strong

My child is very fit/strong and healthy, and therefore my child does not have to participate in aerobic/strength exercises.

Worse/better

My child is (1) much worse – (7) much better at aerobic/strength exercises compared to other children of the same age and gender.

Enjoyable

Compared to other children of the same age and gender, my child thinks aerobic/strength exercises are (1) less enjoyable – (7) more enjoyable

Good

My child is good in aerobic/strength exercises

Allowed when wanted

When my child wants to, he/she is allowed to participate in aerobic/strength exercises.

Encouraged when wanted

When my child wants to participate in aerobic/strength exercises, I will encourage him/her.

Expectation

I expect my child to start participating in aerobic/strength exercises