Table 5.

Frequency of physical activity outdoor after school and odds of overweight/obesity¹ among adolescents

	Total N = 10028	Males N = 4333	Females N = 5695
	OR (95% CI)	OR (95% CI)	OR (95% CI)
Unadjusted
Frequency of physical activity outdoor
0 day	1 (reference)	1 (reference)	1 (reference)
1 to 2 days	0.76 (0.63 – 0.91)**	0.73 (0.50 – 1.05)	0.74 (0.57 – 0.96)*
3 to 4 days	0.71 (0.59 – 0.87)**	0.69 (0.53 – 0.91)**	0.66 (0.50 – 0.88)**
All 5 days	0.69 (0.57 – 0.83)***	0.65 (0.47 – 0.89)**	0.59 (0.82 – 0.82)**
Adjusted
Frequency of physical activity outdoor
0 day	1 (reference)	1 (reference)	1 (reference)
1 to 2 days	0.79 (0.65 – 0.96)*	0.79 (0.57 – 1.09)	0.80 (0.64 – 1.01)
3 to 4 days	0.76 (0.63 – 0.92)**	0.80 (0.61 – 1.05)	0.76 (0.55 – 1.04)
All 5 days	0.68 (0.55 – 0.84)**	0.74 (0.55 – 1.00)	0.61 (0.43 – 0.86)**
Age	1.01 (0.97 – 1.05)	1.01 (0.95 – 1.07)	1.00 (0.95 – 1.06)
Sex
Female	1 (reference)
Male	1.42 (1.14‐1.76)**
Ethnic background
White	1 (reference)	1 (reference)	1 (reference)
Black	1.66 (1.36‐2.04)***	1.06 (0.58‐1.93)	2.60 (1.62‐4.15)***
East/Southeast Asian	0.70 (0.56‐0.88)**	0.88 (0.62‐1.23)	0.52 (0.38‐0.71)***
South Asian	0.77 (0.62‐0.96)*	0.79 (0.59‐1.04)	0.76 (0.57‐1.02)
Other	1.18 (0.96‐1.44)	1.09 (0.80‐1.48)	1.29 (1.01‐1.64)*
Subjective socioeconomic status	0.92 (0.88‐0.97)**	0.89 (0.83‐0.94)***	0.98 (0.91‐1.04)
Father education level	0.96 (0.93‐0.99)**	0.96 (0.91‐1.01)	0.95 (0.90‐1.00)*
Mother education level	1.00 (0.96‐1.05)	1.00 (0.93‐1.07)	1.02 (0.96‐1.08)
Parental support	1.09 (1.02‐1.16)*	1.18 (1.07‐1.29)**	0.99 (0.93‐1.06)
School subjective social status	0.94 (0.90‐0.99)**	0.94 (0.88‐1.00)	0.94 (0.90‐3.19)*

^* P < .05.

^** P < .01.

^*** P < .001.

¹ World Health Organization definition of overweight/obesity.