Table 3.
Associations between sleep duration and risk of vision impairment in middle-aged and elderly Chinese (CHARLS 2011–2012).
| Sleep duration groups (h/night) | |||
|---|---|---|---|
| ≤6 h | 6–8 h | >8 h | |
| OR (95%CI) | OR (95%CI) | OR (95%CI) | |
| All | n = 6,970 | n = 5,784 | n = 1,205 |
| Model 1 | 1.50 (1.39–1.61)* | 1.00 (Ref.) | 1.23 (1.07–1.40)* |
| Model 2 | 1.47 (1.36–1.58)* | 1.00 (Ref.) | 1.18 (1.03–1.35)* |
| Model 3 | 1.45 (1.34–1.56)* | 1.00 (Ref.) | 1.18 (1.03–1.34)* |
| Age | |||
| ≥45 and ≤58 years | n = 3,320 | n = 3315 | n = 604 |
| Model 1 | 1.50 (1.35–1.68)* | 1.00 (Ref.) | 1.15 (0.95–1.41) |
| Model 2 | 1.47 (1.32–1.64)* | 1.00 (Ref.) | 1.12 (0.91–1.36) |
| Model 3 | 1.45 (1.30–1.62)* | 1.00 (Ref.) | 1.11 (0.91–1.35) |
| >58 years | n = 3,655 | n = 2,464 | n = 601 |
| Model 1 | 1.46 (1.31–1.63)* | 1.00 (Ref.) | 1.35 (1.12–1.62)* |
| Model 2 | 1.45 (1.30–1.62)* | 1.00 (Ref.) | 1.29 (1.07–1.55)* |
| Model 3 | 1.44 (1.29–1.60)* | 1.00 (Ref.) | 1.30 (1.08–1.57)* |
| Sex | |||
| Male | n = 3,172 | n = 2,849 | n = 553 |
| Model 1 | 1.50 (1.34–1.67)* | 1.00 (Ref.) | 1.15 (0.94–1.41) |
| Model 2 | 1.47 (1.31–1.65)* | 1.00 (Ref.) | 1.11 (0.90–1.36) |
| Model 3 | 1.45 (1.29–1.62)* | 1.00 (Ref.) | 1.11 (0.90–1.36) |
| Female | n = 3,798 | n = 2,935 | n = 652 |
| Model 1 | 1.49 (1.35–1.65)* | 1.00 (Ref.) | 1.29 (1.08–1.54)* |
| Model 2 | 1.46 (1.32–1.62)* | 1.00 (Ref.) | 1.23 (1.03–1.48) * |
| Model 3 | 1.45 (1.30–1.60)* | 1.00 (Ref.) | 1.24 (1.03–1.48)* |
Model 1 adjusted for age and sex. Model 2 adjusted for covariates in model 1 plus marital status, smoking status, drinking status, and education. Model 3 adjusted for covariates in model 2 plus hypertension, dyslipidemia, diabetes, and chronic kidney disease.
*
Significant.