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