Table 3.
Multivariate regression analysis of the association between sleep time and depression.
| OR value (95% CI) |
|||||
|---|---|---|---|---|---|
| ≤6 (n = 3,332) | 6–7 (n = 2,329) | 7–8 (n = 3,180) | 8–9 (n = 1,541) | >9 (n = 894) | |
| <65 years old | |||||
| Single factor | 4.10 (3.14–5.36) | 1.40 (1.00–1.95) | 1 (ref) | 1.08 (0.72–1.63) | 2.36 (1.60–3.48) |
| Multivariate factor | 3.67 (2.80–4.81) | 1.35 (0.96–1.89) | 1 (ref) | 1.01 (0.66–1.53) | 2.22 (1.50–3.30) |
| ≥65 years old | |||||
| Single factor | 4.65 (2.50–8.65) | 1.76 (0.83–3.73) | 1 (ref) | 2.12 (0.98–4.57) | 3.11 (1.35–7.15) |
| Multivariate factor | 4.48 (2.36–8.48) | 1.89 (0.88–4.07) | 1 (ref) | 2.25 (1.02–4.97) | 2.57 (1.08–6.10) |
a
Multivariate factors included: age, race group, diabetes, high total cholesterol, high triglyceride, low high-density lipoprotein cholesterol, high low-density lipoprotein cholesterol, education, diet score, income, current smoking, current drinking, activity group, body mass index, mean waist circumference, decreased glomerular filtration rate, history of heart disease, and history of stroke.
Abbreviations: OR, odds ratio; CI, confidence interval; ref, reference value.