Table 3. Longitudinal association between adolescent sleep duration (wave 2) and 5-year incident obesity by young adulthood (wave 3), National Longitudinal Study of Adolescent Health (N=8718).
| Sleep Duration | RR | 95% | CI |
|---|---|---|---|
| Model 1 | |||
| Less than 6 hours | 1.24 | 0.99 | 1.56 |
| Between 6 and 8 hours | 1.03 | 0.85 | 1.25 |
| More than 8 hours | Reference | ||
| Model 2 | |||
| Less than 6 hours | 1.25 | 0.99 | 1.41 |
| Between 6 and 8 hours | 1.04 | 0.85 | 1.26 |
| More than 8 hours | Reference | ||
Model 1 adjusted for age, sex, race/ethnicity, and parental education.
Model 2 further adjusted for watching TV more than 2 hours per day and physical activity
RR=Risk Ratio