Table 2.
Factors Associated With Short Sleep Duration (<7 hr).
| Wald Value | Odds Ratio | 95% CI | p Value | |
|---|---|---|---|---|
| Sex (boy) | 3.3 | .70 | [0.47, 1.03] | .071 |
| Age (14–15 years) | 7.7 | 3.7 | [1.47, 9.30] | .005 |
| Poor economic situation | 5.0 | 1.7 | [1.07, 2.66] | .025 |
| Overweight/obesity | 7.4 | 1.9 | [1.20, 3.08] | .006 |
| School failure (≥1 failed subject) | 8.8 | 2.1 | [1.28, 3.30] | .003 |
Note. n = 1,363. Hosmer and Lemeshow’s goodness-of-fit test, p = .802; Nagelkerke R 2 = .055; tolerance > 0.9. CI = confidence interval. p < .05 was considered significant and is marked in boldface.