Table 4.
Multivariable analysis for low sleep efficiency (sleep efficiency ≤ 50% [n = 406] vs sleep efficiency > 50%, reference).
| OR | 95% CI | P | |
|---|---|---|---|
| Age | 1.48 | 1.39, 1.57 | <.001 |
| OSA | |||
| Mild | 0.45 | 0.33, 0.62 | <.001 |
| Moderate | 0.67 | 0.49, 0.92 | .014 |
| Severe | 1.97 | 1.46, 2.68 | <.001 |
| Race (White) | 1.01 | 0.79, 1.28 | .955 |
| Sex (male) | 1.46 | 1.16, 1.82 | <.001 |
| Body habitus | |||
| Overweight | 0.68 | 0.45, 1.03 | .063 |
| Mild obesity | 0.68 | 0.42, 1.12 | .123 |
| Morbid obesity | 0.84 | 0.53, 1.40 | .505 |
| Drugs | |||
| Antidepressants | 0.94 | 0.71, 1.26 | .695 |
| Antipsychotics | 0.93 | 0.55, 1.49 | .780 |
| Sedatives | 0.90 | 0.70, 1.15 | .408 |
| Comorbidities | |||
| 1 | 1.39 | 0.89, 2.14 | .144 |
| ≥2 | 1.37 | 0.86, 2.19 | .178 |
Age is per 10-year increase. OSA reference group is no OSA. Race reference group is not White. Sex reference group is female. Body habitus reference group is normal weight. Antidepressant reference group is no antidepressant use. Antipsychotic reference group is no antipsychotic use. Sedative reference group is no sedative use. Comorbidity reference group is no comorbidities. CI = confidence interval, OR = odds ratio, OSA = obstructive sleep apnea.