Table 2.
Results of the Cox proportional hazard regression analysis on the association between stress-related disorder and risk of dementia.
| Variables | Risk of dementia | |
|---|---|---|
| HR | 95% CI | |
| Stress related disorders | ||
| Yes | 1.15 | (1.01–1.30) |
| No | 1.00 | |
| Gender | ||
| Male | 1.00 | |
| Female | 1.21 | (1.07–1.38) |
| Age | ||
| 40–49 | 1.00 | |
| 50–59 | 3.77 | (2.91–4.87) |
| 60–69 | 12.98 | (10.21–16.50) |
| ≥ 70 | 31.55 | (24.66–40.36) |
| Social security | ||
| Health Insurance | 1.00 | |
| Medical aid | 4.28 | (3.02–6.08) |
| Region | ||
| Metropolitan | 1.00 | |
| City | 1.16 | (1.01–1.34) |
| Rural | 1.06 | (0.93–1.20) |
| Disability | ||
| Yes | 1.55 | (1.25–1.93) |
| No | 1.00 | |
| Income | ||
| Low | 1.00 | |
| Middle | 0.94 | (0.80–1.12) |
| High | 0.92 | (0.78–1.08) |
| Depression history | ||
| Yes | 1.46 | (1.24–1.71) |
| No | 1.00 | |
| Anxiety disorder history | ||
| Yes | 1.35 | (1.17–1.55) |
| No | 1.00 | |
| Hypertension | ||
| Yes | 1.11 | (0.96–1.28) |
| No | 1.00 | |
| Diabetes | ||
| Yes | 1.01 | (0.90–1.13) |
| No | 1.00 | |
| Charlson Comorbidity Index (CCI) | ||
| 0–2 | 1.00 | |
| 3–4 | 1.64 | (1.34–1.99) |
| ≥ 5 | 4.10 | (3.41–4.93) |