Table 2.
Associations between baseline sleep patterns and frailty transitions
| Baseline sleep patterns | Baseline robust | Baseline prefrail | ||||
|---|---|---|---|---|---|---|
| Worsening (%) | PR (95%CI) | Worsening (%) | PR (95%CI) | Improvement (%) | PR (95%CI) | |
| Sleep duration (h/d) | ||||||
| 7 or 8 | 44.0 | 1.00 | 9.5 | 1.00 | 19.5 | 1.00 |
| ≤ 6 | 51.5 | 1.05 (1.01–1.10) | 15.2 | 1.40 (1.23–1.58) | 15.8 | 0.95 (0.85–1.06) |
| ≥ 9 | 44.0 | 1.03 (0.98–1.08) | 9.5 | 1.07 (0.90–1.26) | 19.6 | 0.94 (0.85–1.04) |
| Insomnia | ||||||
| No | 45.4 | 1.00 | 10.6 | 1.00 | 18.6 | 1.00 |
| Yes | 50.2 | 1.08 (0.97–1.20) | 15.7 | 1.53 (1.23–1.89) | 19.1 | 1.05 (0.87–1.26) |
| Snoring | ||||||
| No | 41.8 | 1.00 | 10.2 | 1.00 | 21.6 | 1.00 |
| Yes | 50.7 | 1.13 (1.09–1.17) | 11.3 | 1.07 (0.95–1.20) | 16.2 | 0.78 (0.71–0.84) |
The multivariable model was adjusted for sex, age, study area, highest education, smoking status, and alcohol consumption
Abbreviations: PR prevalence ratio