Table 2.
Factors associated with stroke according to Cox regression
| Variables | Crude HR | 95% CI | 95% CI | P | Adjusted HR | 95% CI | 95% CI | P |
|---|---|---|---|---|---|---|---|---|
| Hypertensive pregnancy disorders | ||||||||
| Without | Reference | Reference | ||||||
| With | 2.704 | 2.326 | 3.144 | < 0.001 | 2.134 | 1.817 | 2.505 | < 0.001 |
| Age group (years) | ||||||||
| 12–19 | Reference | Reference | ||||||
| 20–29 | 1.105 | 1.048 | 1.261 | 0.029 | 1.306 | 1.137 | 1.942 | < 0.001 |
| 30–39 | 1.129 | 1.060 | 1.278 | 0.024 | 1.215 | 1.087 | 1.320 | 0.011 |
| 40–49 | 1.094 | 0.452 | 1.413 | 0.367 | 1.285 | 0.913 | 1.248 | 0.218 |
| ≧50 | 0.341 | 0.158 | 1.012 | 0.055 | 0.537 | 0.084 | 1.065 | 0.066 |
| Insured premium (USD) | ||||||||
| < 7200 | Reference | Reference | ||||||
| 7200-13,999 | 1.458 | 0.149 | 2.271 | 0.224 | 1.966 | 0.522 | 2.582 | 0.249 |
| ≥ 14,000 | 1.755 | 0.447 | 2.425 | 0.124 | 2.650 | 0.157 | 4.762 | 0.179 |
| DM | 4.190 | 3.532 | 4.970 | < 0.001 | 1.449 | 1.277 | 1.874 | < 0.001 |
| HTN | 7.696 | 6.742 | 8.903 | < 0.001 | 4.274 | 3.616 | 5.050 | < 0.001 |
| Hyperlipidemia | 8.175 | 6.559 | 10.177 | < 0.001 | 3.061 | 2.415 | 3.886 | < 0.001 |
| Obesity | 2.607 | 0.910 | 6.490 | 0.067 | 1.115 | 0.418 | 2.995 | 0.584 |
| Heart disease | 4.027 | 3.353 | 4.837 | < 0.001 | 2.136 | 1.761 | 2.589 | < 0.001 |
| CKD | 4.444 | 3.466 | 5.699 | < 0.001 | 2.356 | 1.829 | 3.041 | < 0.001 |
| 4 (The lowest) | Reference | Reference | ||||||
| Level of care | ||||||||
| Hospital center | 1.876 | 1.592 | 2.213 | < 0.001 | 1.631 | 1.349 | 1.972 | < 0.001 |
| Regional hospital | 1.209 | 1.020 | 1.436 | 0.011 | 2.133 | 0.885 | 1.251 | 0.242 |
| Local hospital | Reference | Reference | ||||||
HR hazard ratio, CI confidence interval, Adjusted HR: Adjusted for variables listed in the table
Adjusted variables: geographical area of residence, urbanization level of residence, and season