Cox proportional hazard regression estimates of the association between marital status and dementia for young-old and middle-old group (fully adjusted model)
| Young-old | Middle-old | |
|---|---|---|
| HR (95% CI) | HR (95% CI) | |
| Age | 1.17 (1.16 to 1.18)*** | 1.18 (1.17–1.19)*** |
| Gender | ||
| Men | Reference | Reference |
| Women | 0.79 (0.75 to 0.83)*** | 0.88 (0.86 to 0.91)*** |
| Having adult children | ||
| No | Reference | Reference |
| Yes | 0.89 (0.83 to 0.97)** | 0.96 (0.92 to 0.99)* |
| Education level, years | ||
| ≤9 | Reference | Reference |
| 10–12 | 0.96 (0.91 to 1.02) | 0.96 (0.93 to 0.98)** |
| ≥13 | 0.77 (0.70 to 0.83)*** | 0.84 (0.81 to 0.88)*** |
| Taxable income | 0.89 (0.88 to 0.90)*** | 0.97 (0.94 to 0.99)** |
| Prior cardiovascular disease | ||
| No | Reference | Reference |
| Yes | 1.89 (1.74 to 2.04)*** | 1.50 (1.45 to 1.55)*** |
| Marital status | ||
| Married | Reference | Reference |
| Single | 1.71 (1.57 to 1.87)*** | 1.23 (1.17 to 1.29)*** |
| Divorced | 1.79 (1.68 to 1.90)*** | 1.42 (1.36 to 1.47)*** |
| Widowed | 1.28 (1.14 to 1.43)*** | 1.12 (1.08 to 1.19)*** |
*p<0.05, **p≤0.01, ***p≤0.001.