Table 4.
Frequency of physical activity outdoor after school and compliance with the sleep duration recommendation 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 | 1.47 (1.17‐1.85)** | 1.51 (1.06‐2.15)* | 1.38 (1.10‐1.71)** |
| 3 to 4 days | 1.45 (1.14‐1.85)** | 1.45 (1.01‐2.08)* | 1.36 (0.98‐1.88) |
| All 5 days | 1.72 (1.34‐2.19)*** | 1.84 (1.31‐2.58)*** | 1.23 (0.91‐1.68) |
| Adjusted | |||
| Frequency of physical activity outdoor | |||
| 0 day | 1 (reference) | 1 (reference) | 1 (reference) |
| 1 to 2 days | 1.24 (0.99‐1.55) | 1.38 (0.95‐2.01) | 1.11 (0.87‐1.42) |
| 3 to 4 days | 1.12 (0.87‐1.45) | 1.25 (0.81‐1.92) | 1.00 (0.70‐1.45) |
| All 5 days | 1.24 (0.95‐1.61) | 1.53 (1.01‐2.31)* | 0.92 (0.65‐1.30) |
| Age | 0.96 (0.92‐0.99)* | 098 (0.91‐1.05) | 0.92 (0.86‐0.99)* |
| Sex | |||
| Female | 1 (reference) | ||
| Male | 1.46 (1.28‐1.66)*** | ||
| Ethnic background | |||
| White | 1 (reference) | 1 (reference) | 1 (reference) |
| Black | 0.84 (0.62‐1.23) | 1.25 (0.91‐1.05) | 0.49 (0.36‐0.65)*** |
| East/Southeast Asian | 0.82 (0.66‐1.00) | 0.73 (0.81‐0.97)* | 0.91 (0.67‐1.23) |
| South Asian | 0.83 (0.66‐1.04) | 0.90 (0.63‐1.28) | 0.73 (0.53‐1.02) |
| Other | 0.89 (0.74‐1.07) | 0.85 (0.61‐1.19) | 0.88 (0.70‐1.11) |
| Subjective socioeconomic status | 1.14 (1.06‐1.22)*** | 1.15 (1.07‐1.23)*** | 1.13 (1.04‐1.22)** |
| Father education level | 0.99 (0.97‐1.02) | 1.03 (1.00‐1.07) | 0.95 (0.92‐0.98) |
| Mother education level | 0.98 (0.96‐1.01) | 0.97 (0.92‐1.02) | 0.99 (0.95‐1.03) |
| Parental support | 1.20 (1.13‐1.26)*** | 1.16 (1.07‐1.25)*** | 1.26 (1.17‐1.37) |
| School subjective social status | 1.04 (1.00‐1.08)* | 1.02 (0.97‐1.06) | 1.07 (1.00‐1.14) |
*
P < .05.
**
P < .01
***
P < .001.