Table 3.
The Association Between Sleep Duration and Depression Across Different Sleep Quality Groups
| Model 1 | p | Model 2 | p | Model 3 | p | |
|---|---|---|---|---|---|---|
| OR (95% CI) | OR (95% CI) | OR (95% CI) | ||||
| Sleep durationa | ||||||
| 7-8 | 1 | 1 | 1 | |||
| <7 | 1.17(0.62,2.22) | 0.6280 | 1.13(0.59,2.14) | 0.7261 | 1.31(0.68,2.55) | 0.4208 |
| 8-9 | 1.40(0.87,2.27) | 0.1634 | 1.39(0.85,2.25) | 0.1886 | 1.80(1.10,2.95) | 0.0189 |
| ≥9 | 1.07(0.57,2.00) | 0.8305 | 1.05(0.56,1.98) | 0.8840 | 1.16(0.62,2.18) | 0.6430 |
| Sleep durationb | ||||||
| 7-8 | 1 | 1 | 1 | |||
| <7 | 1.36(1.00,1.86) | 0.0483 | 1.34(0.98,1.83) | 0.0656 | 1.40(1.02,1.94) | 0.0375 |
| 8-9 | 0.66(0.45,0.97) | 0.0326 | 0.64(0.44,0.96) | 0.0288 | 0.62(0.41,0.93) | 0.0198 |
| ≥9 | 0.71(0.45,1.13) | 0.1524 | 0.72(0.45,1.15) | 0.1690 | 0.61(0.38,0.96) | 0.0344 |
Notes: Model 1: a crude model; Model 2: further adjusted for age, drinking, education, physical activity and water intake; Model 3: based on Model 2 refitted by inverse probability weight. aParticipants with good sleep quality; bParticipants with poor sleep quality.