Table 3

Baseline associations between compulsory school physical activity & high levels of physical activity and fitnessa

Baseline Measures

Boys

Girls


% (n/N)

PRc

95% CI

PRd

95% CI

% (n/N)

PRc

95% CI

PRd

95% CI


Total PAb

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

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

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

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


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

Open Data