Table 1.
Association of self-reported average sleep duration with psychological distress in the baseline sample of 19,648 young adults
| Average sleep duration (categories) | High or very high psychological distress K10 > 21 |
No or moderate psychological distress K10 ≤ 21 |
Relative risk (RR and 95%CI) | ||
|---|---|---|---|---|---|
| N (6386) | % (row) | N (13,262) | % (row) | ||
| ≥ 10 h | 317 | 30.6 | 718 | 69.4 | 1.16 (1.05, 1.28) |
| ≥ 9 to < 10 h | 676 | 25.3 | 2001 | 74.7 | 0.96 (0.89, 1.03) |
| ≥ 8 to < 9 h | 1653 | 26.4 | 4608 | 73.6 | REF |
| ≥ 7 to < 8 h | 2045 | 34.1 | 3955 | 65.9 | 1.29 (1.22, 1.36) |
| ≥ 6 to < 7 h | 1154 | 43.2 | 1520 | 56.8 | 1.63 (1.54, 1.74) |
| ≥ 5 to < 6 h | 329 | 51.5 | 310 | 48.5 | 1.95 (1.79, 2.13) |
| ≤ 5 h | 212 | 58.6 | 150 | 41.4 | 2.22 (2.02, 2.44) |
| Average sleep duration (decreasing hours) | 1.14 (1.12, 1.15) | ||||