Table 2.
The relationship between sleep status and ADL disability in the centenarians
| Model A | Model B | Model C | Model D | |
|---|---|---|---|---|
| Sleep quality (groups) | ||||
| Normal | 1 | 1 | 1 | 1 |
| Poor | 1.08 (0.76–1.53) | 1.07 (0.74–1.52) | 1.04 (0.72–1.49) | 0.96 (0.66–1.40) |
| Sleep duration at night (groups) | ||||
| 6-9 h | 1 | 1 | 1 | 1 |
| ≤ 6 h | 0.97 (0.65–1.45) | 0.98 (0.65–1.48) | 0.95 (0.63–1.45) | 0.89 (0.58–1.38) |
| > 9 h | 2.03 (1.22–3.38) | 2.01 (1.20–3.35) | 1.89 (1.12–3.17) | 1.99 (1.16–3.42) |
| Daytime sleep duration (groups) | ||||
| None | 1 | 1 | 1 | 1 |
| < 1 h | 1.79 (0.96–3.34) | 1.68 (0.90–3.16) | 1.62 (0.86–3.05) | 1.46 (0.76–2.82) |
| ≥ 1 h & < 2 h | 1.10 (0.71–1.69) | 1.08 (0.70–1.69) | 1.08 (0.69–1.70) | 0.94 (0.59–1.51) |
| ≥ 2 h | 1.17 (0.69–1.98) | 1.15 (0.67–1.96) | 1.16 (0.67–1.99) | 0.97 (0.55–1.73) |
| Total sleep duration (groups) | ||||
| 7-9 h | 1 | 1 | 1 | 1 |
| ≤ 7 h | 0.95 (0.61–1.49) | 1.01 (0.64–1.59) | 1.01 (0.64–1.61) | 0.93 (0.58–1.51) |
| > 9 h | 1.25 (0.85–1.83) | 1.25 (0.85–1.85) | 1.30 (0.88–1.92) | 1.24 (0.83–1.87) |
| Sleep mode | ||||
| 6-9 h at night & < 2 h daytime | 1 | 1 | 1 | 1 |
| 6-9 h at night & ≥ 2 h daytime | 0.75 (0.45–1.27) | 0.73 (0.43–1.24) | 0.75 (0.44–1.28) | 0.75 (0.44–1.29) |
| ≤ 6 h at night & < 2 h daytime | 0.92 (0.59–1.41) | 0.93 (0.60–1.44) | 0.90 (0.58–1.41) | 0.88 (0.56–1.38) |
| ≤ 6 h at night & ≥ 2 h daytime | 0.89 (0.29–2.71) | 0.91 (0.29–2.82) | 0.88 (0.28–2.81) | 0.87 (0.27–2.76) |
| > 9 h at night & < 2 h daytime | 1.64 (0.93–2.92) | 1.58 (0.88–2.82) | 1.49 (0.83–2.67) | 1.49 (0.83–2.68) |
| > 9 h at night & ≥ 2 h daytime | 3.03 (1.07–8.57) | 3.13 (1.09–8.94) | 2.97 (1.04–8.52) | 2.93 (1.02–8.44) |
| Total sleep duration& sleep quality | ||||
| ≤ 9 h & normal | 1 | 1 | 1 | 1 |
| > 9 h & normal | 1.97 (1.16–3.35) | 1.96 (1.15–3.34) | 1.84 (1.07–3.15) | 1.84 (1.05–3.22) |
| ≤ 9 h & poor | 1.17 (0.81–1.69) | 1.16 (0.80–1.70) | 1.12 (0.77–1.64) | 1.01 (0.68–1.51) |
| > 9 h & poor | 6.17 (0.83–46.08) | 5.57 (0.74–41.85) | 5.12 (0.68–38.52) | 6.96 (0.86–56.53) |
Model A: Crude model
Model B: Adjusted for age and sex
Model C: Adjusted for age, sex, nationality, marital status, education level and residence type
Model D: Adjusted for age, sex, nationality, marital status, education level, residence type, smoking status, drinking status, physical activity, central obese, diet regularity and comorbidity