Table 2. Significant factors in univariate analysis.
Variables | Hazard ratio | p | 95% confidence interval | |
---|---|---|---|---|
Age (yr) | 1.06 | <0.001 | 1.06–1.07 | |
Hospital stratification | ||||
Medical centers | Reference | |||
Regional hospitals | 0.61 | <0.001 | 0.54–0.68 | |
District hospitals | 0.46 | <0.001 | 0.54–0.56 | |
Local hospitals | 0.19 | <0.001 | 0.06–0.58 | |
Urbanization | ||||
Highly urbanized | Reference | |||
Moderately urbanized | 0.80 | <0.001 | 0.70–0.90 | |
Newly urbanized | 0.72 | <0.001 | 0.61–0.85 | |
Rural areas | 0.72 | <0.001 | 0.60–0.87 | |
Others* | 0.81 | 0.070 | 0.64–1.02 | |
Premium range (NTD/month) | ||||
>15,840 and ≤25,000 | Reference | |||
≤15,840 | 1.25 | <0.001 | 1.08–1.44 | |
>25,000 | 1.23 | <0.001 | 1.10–1.38 | |
Comorbidity | ||||
Congestive heart failure | 2.46 | <0.001 | 1.50–4.03 | |
Cerebrovascular diseases | 1.79 | <0.001 | 1.27–2.52 | |
Peptic ulcer disease | 1.83 | <0.001 | 1.41–2.38 | |
Mild liver disease | 1.89 | 0.030 | 1.07–3.34 | |
Diabetes | 1.99 | <0.001 | 1.60–2.47 | |
Renal disease | 2.87 | <0.001 | 1.80–4.57 | |
Stroke | 1.79 | <0.001 | 1.27–2.52 | |
Depression | 1.86 | <0.001 | 1.35–2.56 | |
Hypertension | 2.05 | <0.001 | 1.74–2.41 | |
Pelvic inflammation | 1.85 | <0.001 | 1.58–2.17 | |
Childbearing | 0.33 | <0.001 | 0.25–0.44 |
NTD, New Taiwan Dollar.
*Others includes areas with aged population, agricultural towns and cities, and remote areas.