Table 2.

Study 1: Separate models examining estimated odds ratios for self-reported physical activity outcomes adjusting for student characteristics

Survey Data	Model 1–30 min/day		Model 2–60 min/day		Model 3 – KKD
					Active vs Inactive		Moderately Active vs Inactive
	Fixed effect (95% CI)	P value	Fixed effect (95% CI)	P value	Fixed effect (95% CI)	P value	Fixed effect (95% CI)	P value
Study Condition
Comparison (PEI)	Referent	<.0001	Referent	<.0001	Referent	0.23	Referent	0.32
Intervention (Manitoba)	2.24 (1.88, 2.66)		1.32 (1.16, 1.50)		1.16 (0.91,1.48)		1.13 (0.89, 1.45)
Time
Baseline	Referent		Referent		Referent		Referent
Follow-up	0.79 (0.65, 0.95)	0.01	0.95 (0.82, 1.10)	0.49	1.13 (0.84, 1.51)	0.41	1.15 (0.86, 1.52)	0.35
Condition*Time Interaction	1.13 (0.92, 1.39)	0.24	0.92 (0.78, 1.07)	0.26	0.63 (0.47, 0.85)	0.0021	0.82 (0.61, 1.11)	0.20
Grade
9	Referent		Referent		Referent		Referent
10	0.91 (0.82, 1.00)	0.05	0.91 (0.86, 0.97)	0.0016	0.84 (0.75, 0.93)	0.0008	0.92 (0.82, 1.02)	0.12
11	0.75 (0.68, 0.82)	<.0001	0.73 (0.69, 0.77)	<.0001	0.58 (0.52, 0.64)	<.0001	0.81 (0.73, 0.90)	<.0001
12	0.66 (0.60, 0.73)	<.0001	0.68 (0.64, 0.72)	<.0001	0.52 (0.47, 0.57)	<.0001	0.80 (0.72, 0.89)	<.0001
Sex
Female	Referent	<.0001	Referent	< .0001	Referent	< .0001	Referent	<.0001
Male	1.87 (1.74, 2.00)		1.88 (1.80, 1.95)		2.26 (2.10, 2.43)		1.29 (1.20, 1.39)
BMI status
Healthy weight	Referent	0.0007	Referent	0.0006	Referent	< .0001	Referent	0.20
Overweight or obese	0.88 (0.81, 0.95)		0.92 (0.88, 0.97)		0.85 (0.78, 0.92)		0.95 (0.87, 1.03)

Note: Fixed effects of intercepts for each model are not shown. 95% confidence intervals are shown in parentheses. Referent categories are identified as “Referent”