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Summary of perceived personal, social and environmental measures based on confirmatory factor analysis |
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| Measures including scales and subscales with respective items and response formats from computerised questionnaire |
Source of original scales |
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| Enjoyment-Competence scale (response format 1–3) |
Brustad(1993) |
| Subscale Enjoyment |
Harter(1978) |
| I have more fun playing games and sports than doing other things |
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| Playing games and sports is the thing I like to do best. |
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| I wish I could play more games and sports than I get chance to. |
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| I usually prefer to watch rather than play games |
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| I really like doing PE at school. |
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| Subscale Competence |
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| I feel that I am better than most other kids my age at games and sports. |
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| I feel really bad when I get out of breath from running around |
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| I feel that I can easily keep up with other kids when playing games and sports. |
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| Outcome expectations scale (response format 1–3) |
Trost et al(1997) |
| Subscale Social Expectations: If I were to exercise most days it would.... |
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| Be fun |
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| Help me make new friends |
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| Help me be with my friends more |
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| Help me look good to others |
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| Subscale Functional Expectations: If I were to exercise most days it would.... |
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| Get or keep me in shape |
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| Make me better in sports |
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| Help me be healthy |
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| Help me control my weight |
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| Give me energy |
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| Perceived social support scale (response format 1–4) |
Sallis et al.(1999) |
| Subscale Parental Support: How often does your mum or dad... |
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| Take you to exercise or play sports |
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| Watch you take part in exercise or sports |
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| Exercise or play sports with you |
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| Subscale Parental Encouragement: How often does your mum or dad... |
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| Tell you to exercise or play sports |
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| Tell you that exercise is good for your health |
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| Subscale Peer support |
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| How often do your friends exercise or play sports with you? |
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| How often do you ask your friends to play out with you? |
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| How often do your friends ask you to play out with them? |
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| Subscale Teacher support: How often does your teacher.... |
Items for teacher support generated through pilot study |
| Talk about exercise in lessons |
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| Organise or play games with you apart from PE |
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| Tell you to exercise or play sports |
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| Social-physical environment scale (response format 1–3) |
Sallis et al.(1999 |
| Subscale opportunity: |
Trost et al(1997) |
| It is safe to walk or play alone in my neighbourhood during the day. |
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| There are other children near by home to go out and play with |
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| There is somewhere at home I can go out and play |
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| Subscale Facility: |
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| There are playgrounds or parks close to my home where I can play |
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| At school there are playgrounds or fields where I can run around |
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| Subscale License: |
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| I always have to tell my parents where I am when I go out |
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| If I am going out I always have to be back by a certain time |
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Ommundsen et al. International Journal of Behavioral Nutrition and Physical Activity 2008 5:29 doi:10.1186/1479-5868-5-29 |
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