|
Parental co-participation in PA; adapted from [31]
|
Thinking about the past few months, how often did you and/or the co-carer do the following things together with your child?
|
1 = Never or rarely; 2 = Less than once/week; 3 = Once a week; 4 = About 2–3 times/week; 5 = About 4–6 times/week; 6 = Every day
|
|
- I/we did physical activity, sport or exercise together with the child
|
|
Parental logistic support for PA; adapted from [31]
|
Mean value of two items (Cronbach’s alpha = 0.90):
|
1 = Never or rarely; 2 = Less than once/week; 3 = Once a week; 4 = About 2–3 times/week; 5 = About 4–6 times/week; 6 = Every day; 7 = Doesn’t applya
|
|
Thinking about the past few months, how often were the following true?
|
|
- The co-carer or I took the child to sports training/lessons
|
|
- The child did sport or physical activity that the co-carer or I provided money for
|
|
Parental praise of PA; adapted from [31]
|
Thinking about the past few months, how often was the following true?
|
1 = Never or rarely; 2 = Less than once/week; 3 = Once a week; 4 = About 2–3 times/week; 5 = About 4–6 times/week; 6 = Every day; 7 = Doesn’t applya
|
|
- The co-carer or I praised the child participating in physical activity, sport or exercise
|
|
Parental control of PA; adapted from [32]
|
Mean value of four items (Cronbach’s alpha = 0.46):
|
1 = Disagree; 2 = Slightly disagree; 3 = Neutral; 4 = Slightly agree; 5 = Agree
|
|
Indicate how much you agree with following statements.
|
|
- If I did not guide or regulate my child’s activities, (s)he would not be as active as (s)he should be
|
|
- I think that my child should be active every day
|
|
- I am careful to make sure that my child gets enough exercise
|
|
- If my child says “I’m tired”, I try to get him/her to exercise anyway
|
|
Parental concern about PA; adapted from [32]
|
How concerned are you about your child not getting enough physical activity?
|
1 = Not concerned; 2 = A little concerned; 3 = Fairly concerned; 4 = Very concerned
|
|
Peer variables; adapted from [31]
|
Item (Adolescent questionnaire)
|
Response category
|
|
Peer modeling of PA
|
My closest friend does a lot of physical activity
|
1 = Strongly agree; 2 = Agree; 3 = Neither; 4 = Disagree; 5 = Strongly disagree; 6 = Don’t knowb
|
|
Peer enjoyment of PA
|
My closest friend enjoys physical activity or sports
|
1 = Strongly agree; 2 = Agree; 3 = Neither; 4 = Disagree; 5 = Strongly disagree; 6 = Don’t knowb
|
|
Peer interest in PA
|
My closest friend is not the sporty type
|
1 = Strongly agree; 2 = Agree; 3 = Neither; 4 = Disagree; 5 = Strongly disagree; 6 = Don’t knowb
|
|
Peer encouragement of PA
|
Mean value of three items (Cronbach’s alpha = 0.70):
|
1 = Never/rarely; 2 = Sometimes; 3 = Often
|
|
During the past year, how often have your friends said or done this:
|
|
- Encouraged me to do more physical activity
|
|
- Encouraged me to walk to or from school or to other places
|
| |
- Encouraged me to play sports
| |
|
Personal variables
|
Item (Adolescent questionnaire)
|
Response category
|
|
Self-efficacy to overcome barriers; adapted from [34]
|
Mean value of nine items (Cronbach’s alpha =0.84):
|
1 = Not at all sure; 2 = A bit sure; 3 = Fairly sure; 4 = Quite sure; 5 = Very sure
|
|
I could be active even…
|
|
- If there is no one to be active with
|
|
- If I don’t have enough energy to be active
|
|
- If I am not good at it
|
|
- If I had no one to take me training
|
|
- If my friends don’t take part
|
|
- If the weather is bad
|
|
- If I had a lot of homework to do
|
|
- If I were busy going out with my friends
|
|
- If others make fun of me
|
|
Perceived internal barriers; adapted from [35]
|
Mean value of seven items (Cronbach’s alpha = 0.87):
|
1 = Strongly agree; 2 = Agree; 3 = Neither; 4 = Disagree; 5 = Strongly disagree; 6 = Don’t knowb
|
|
How much do you agree with the following statements?
|
|
- I don’t have enough time for physical activity
|
|
- I prefer to watch TV or play electronic games
|
|
- I don’t like physical activity
|
|
- I don’t think I’m very good at physical activity
|
|
- I don’t like how being active physically makes me feel (e.g. hot, sweaty, out of breath)
|
|
- I’m not the sporty type
|
|
- I am too lazy/ can’t be bothered
|
|
Perceived external barriers; adapted from [35]
|
Mean value of four items (Cronbach’s alpha = 0.66):
|
1 = Strongly agree; 2 = Agree; 3 = Neither; 4 = Disagree; 5 = Strongly disagree; 6 = Don’t knowb
|
|
How much do you agree with the following statements?
|
|
- I don’t have anyone to be physically active with
|
|
- I have a health problem or injury that prevents me from being physically active
|
|
- I can’t afford to buy sports clothes or equipment, or pay sport/club fees
|
| |
- I think it’s too dark and cold in winter to spend more time outside
| |
