Han | Qiang | Tibetan | ||||
---|---|---|---|---|---|---|
OR [95% CI] | P value | OR [95% CI] | P value | OR [95% CI] | P value | |
Sleep duration | ||||||
< 6 h | 0.65 (0.19, 2.18) | 0.494 | NA | NA | 0.16 (0.18,1.46) | 0.106 |
6-7 h | 1.71 (0.66, 4.45) | 0.268 | 2.03 (0.59, 6.95) | 0.257 | 0.44 (0.10,1.85) | 0.264 |
7-8 h | Ref. | NA | Ref. | NA | Ref. | NA |
8-9 h | 1.79 (0.81, 3.93) | 0.145 | 0.25 (0.06, 1.02) | 0.054 | 0.45 (0.15, 1.30) | 0.143 |
≥ 9 h | 2.59 (1.13, 5.97) * | 0.024 | 1.83 (0.70, 4.78) | 0.215 | 0.99 (0.39, 2.48) | 0.992 |