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Baseline associations between compulsory school physical activity & high levels of physical activity and fitnessa |
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| Baseline Measures |
Boys |
Girls |
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|
|
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| % (n/N) |
PRc |
95% CI |
PRd |
95% CI |
% (n/N) |
PRc |
95% CI |
PRd |
95% CI |
|
|
|
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| Total PAb |
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| Low PA School |
25 (205/812) |
1.0 |
Ref |
1.0 |
Ref |
27 (229/860) |
1.0 |
Ref |
1.0 |
Ref |
| Med PA School |
25 (234/945) |
0.98 |
(0.81–1.19) |
0.98 |
(0.80–1.19) |
25 (228/911) |
0.94 |
(0.75–1.18) |
0.93 |
(0.75–1.15) |
| High PA School |
26 (299/1128) |
1.05 |
(0.86–1.28) |
1.05 |
(0.85–1.28) |
26 (262/1004) |
0.98 |
(0.79–1.21) |
0.95 |
(0.77–1.16) |
| ptrend |
0.60 |
0.67 |
0.87 |
0.70 |
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| School PAb |
||||||||||
| Low PA School |
23 (183/812) |
1.0 |
Ref |
1.0 |
Ref |
40 (341/860) |
1.0 |
Ref |
1.0 |
Ref |
| Med PA School |
27 (256/945) |
1.20 |
(0.90–1.60) |
1.20 |
(0.91–1.58) |
38 (348/911) |
0.96 |
(0.73–1.27) |
0.95 |
(0.74–1.21) |
| High PA School |
28 (316/1128) |
1.24 |
(0.91–1.70) |
1.24 |
(0.91–1.68) |
42 (417/1004) |
1.05 |
(0.78–1.41) |
1.02 |
(0.78–1.33) |
| ptrend |
0.19 |
0.20 |
0.75 |
0.87 |
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| Non-School PAb |
||||||||||
| Low PA School |
25 (200/812) |
1.0 |
Ref |
1.0 |
Ref |
27 (232/860) |
1.0 |
Ref |
1.0 |
Ref |
| Med PA School |
26 (244/945) |
1.05 |
(0.88–1.25) |
1.04 |
(0.87–1.25) |
26 (238/911) |
0.97 |
(0.81–1.16) |
0.98 |
(0.82–1.16) |
| High PA School |
27 (308/1128) |
1.11 |
(0.92–1.34) |
1.11 |
(0.91–1.34) |
26 (256/1004) |
0.95 |
(0.78–1.15) |
0.93 |
(0.77–1.13) |
| ptrend |
0.28 |
0.30 |
0.58 |
0.51 |
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| Fitness |
||||||||||
| Low PA School |
28 (90/323) |
1.0 |
Ref |
1.0 |
Ref |
30 (97/326) |
1.0 |
Ref |
1.0 |
Ref |
| Med PA School |
22 (83/382) |
0.78 |
(0.56–1.09) |
0.78 |
(0.56–1.09) |
26 (94/367) |
0.86 |
(0.59–1.25) |
0.86 |
(0.61–1.23) |
| High PA School |
25 (111/453) |
0.88 |
(0.63–1.22) |
0.88 |
(0.63–1.22) |
25 (109/433) |
0.85 |
(0.62–1.15) |
0.85 |
(0.64–1.13) |
| ptrend |
0.52 |
0.53 |
0.30 |
0.27 |
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a High physical activity and fitness defined as being in the top quarter of physical activity or fitness within sex and school level strata. b Self-reported physical activity (PA). c PR: prevalence ratios adjusted for the effects of clustering by school. d PR: prevalence ratios adjusted for the effects of clustering by school plus area-level SES, smoking and parental physical activity. | ||||||||||
Cleland et al. International Journal of Behavioral Nutrition and Physical Activity 2008 5:14 doi:10.1186/1479-5868-5-14 |
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