Table 4

Follow-up associations between school physical activity provision and high levels of physical activity and fitnessa

Follow-Up Measures
Men
Women



% (n/N)
PRc
95% CI
PRd
95% CI
% (n/N)
PRc
95% CI
PRd
95% CI

Daily Steps










     Low PA School
27 (55/205)
1.0
Ref
1.0
Ref
26 (68/263)
1.0
Ref
1.0
Ref
     Med PA School
23 (53/235)
0.84
(0.59–1.20)
0.91
(0.65–1.26)
27 (71/267)
1.03
(0.73–1.45)
1.00
(0.75–1.34)
     High PA School
28 (77/278)
1.03
(0.74–1.44)
1.09
(0.79–1.50)
28 (80/288)
1.07
(0.76–1.52)
1.05
(0.77–1.43)
ptrend

0.77

0.48


0.68

0.81
Total PAb










     Low PA School
22 (52/237)
1.0
Ref
1.0
Ref
27 (86/321)
1.0
Ref
1.0
Ref
     Med PA School
23 (62/266)
1.06
(0.76–1.49)
1.08
(0.79–1.47)
26 (87/336)
0.97
(0.72–1.29)
0.95
(0.74–1.24)
     High PA School
26 (79/305)
1.18
(0.84–1.66)
1.22
(0.90–1.66)
28 (100/357)
1.05
(0.82–1.34)
1.00
(0.78–1.28)
ptrend

0.32

0.19


0.71

0.99
LTPAb










     Low PA School
30 (70/237)
1.0
Ref
1.0
Ref
23 (73/321)
1.0
Ref
1.0
Ref
     Med PA School
23 (61/266)
0.78
(0.59–1.03)
0.79
(0.60–1.04)
24 (80/336)
1.05
(0.80–1.36)
1.10
(0.84–1.44)
     High PA School
27 (83/305)
0.92
(0.70–1.22)
0.92
(0.71–1.20)
26 (93/357)
1.15
(0.89–1.47)
1.18
(0.91–1.53)
ptrend

0.65

0.57


0.29

0.22
Fitness










     Low PA School
23 (43/190)
1.0
Ref
1.0
Ref
26 (51/197)
1.0
Ref
1.0
Ref
     Med PA School
30 (68/229)
1.31
(0.90–1.92)
1.41
(1.00–1.97)
22 (46/209)
0.85
(0.58–1.25)
0.82
(0.58–1.17)
     High PA School
23 (62/266)
1.03
(0.71–1.48)
1.14
(0.81–1.60)
26 (61/235)
1.00
(0.70–1.43)
0.98
(0.72–1.35)
ptrend

0.98

0.75


0.95

0.90

a High physical activity and fitness defined as being in the top quarter of physical activity or fitness within sex 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 baseline area-level SES, baseline smoking, baseline parental physical activity, highest level of education, smoking at follow-up, marital status at follow-up and number of live births at follow-up (females only)

Cleland et al. International Journal of Behavioral Nutrition and Physical Activity 2008 5:14   doi:10.1186/1479-5868-5-14