Table 2

Univariate and multivariate analysis of perceived support from various sources for participation in lunchtime physical activity.

Juniors (n = 2,490)
 Seniors (n = 981)


Total n
 % active*
 Univariate model
 Multivariate model†
 Total n
 % active*
 Univariate model
 Multivariate model†



OR (95% CI)‡
 OR (95% CI)‡

OR (95% CI)‡
 OR (95% CI)‡
Parent(s)







High (2/2 parents)
 99
 43.8
 1.0§
 1.0**
 54
 36.3
 1.0
High (1/1 parent)
 1007
 33.3
 0.82 (0.50–1.34)
 0.92 (0.55–1.54)
 281
 31.5
 0.92 (0.50–1.68)
High (1/2 parents)
 456
 33.1
 0.64 (0.50–0.82)
 0.77 (0.59–0.99)
 166
 26.5
 0.66 (0.44–0.99)
Low (2/2 parents)
 753
 26.8
 0.51 (0.40–0.65)
 0.68 (0.54–0.87)
 390
 19.7
 0.53 (0.37–0.76)
Low (1/1, no parents)
 175
 24.6
 0.49 (0.33–0.73)
 0.70 (0.46–1.04)
 90
 17.8
 0.49 (0.26–0.93)
Sibling/Cousin(s)







High
 1241
 43.3
 1.0§
392
 34.4
 1.0||
Low
 1095
 26.7
 0.52 (0.43–0.63)
515
 21.2
 0.60 (0.45–0.79)
No sibling
 154
 26.6
 0.59 (0.39–0.90)
74
 16.2
 0.50 (0.21–1.19)
Friend(s)







High
 986
 51.8
 1.0§
 1.0§
 385
 39.7
 1.0§
 1.0§
Low
 1504
 23.9
 0.34 (0.28–0.42)
 0.39 (0.32–0.48)
 596
 17.3
 0.41 (0.29–0.57)
 0.41 (0.29–0.57)
School







High
 1369
 39.2
 1.0§
546
 30.3
 1.0††
Low
 1121
 29.7
 0.64 (0.52–0.79)
435
 22.7
 0.71 (0.51–0.98)

* played active games most of the time

† only variables found significant (p <.05) through the stepwise process were included in the final multivariate model

‡ Corrected for cluster effect and controlled for sex and ethnicity

§ p = <.0001; || p=.001; ¶ p = .007; ** p = .02; †† p = .04; ns = non-significant

Hohepa et al. International Journal of Behavioral Nutrition and Physical Activity 2007 4:54   doi:10.1186/1479-5868-4-54

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