| Classification | Hazard Ratio 95% CI | P-value | |
|---|---|---|---|
| District | Seoul | 1.304(1.085-1.567) | 0.0046 |
| Metropolitan City | 1.118(0.945-1.322) | 0.1924 | |
| City/Province | 1.008(0.892-1.138) | 0.9023 | |
| Age | 0-4 years | 1.080(0.893-1.305) | 0.4277 |
| 5-9 years | 1.071(0.928-1.235) | 0.3506 | |
| 10-19 years | 1.148(0.952-1.385) | 0.1484 | |
| 20-29 years | 0.964(0.704-1.322) | 0.8215 | |
| 30-39 years | 1.182(0.771-1.811) | 0.4429 | |
| 40-49 years | 1.088(0.718-1.648) | 0.6924 | |
| 50-59 years | 1.033(0.555-1.920) | 0.9192 | |
| 60-69 years | 1.322(0.657-2.658) | 0.4337 | |
| 70-79 years | 1.192(0.460-3.091) | 0.7176 | |
| 80-89 years | 0.649(0.108-3.885) | 0.6358 | |
| 90-99 years | - | - | |
| ≥100 years | - | - | |
| Gender | Male | 1.102(0.977-1.244) | 0.1146 |
| Female | 1.094(0.966-1.239) | 0.1575 | |
| Insurance Type | Health Insurance | 1.097(1.005-1.198) | 0.0375 |
| Medical Benefits | 1.153(0.576-2.309) | 0.6872 | |
| History of Allergic Rhinitis | No | 1.001(0.899-1.115) | 0.9842 |
| Yes | 1.310(1.130-1.519) | 0.0003 | |
| History of Hospitalization for Allergic Rhinitis | No | 1.098(1.007-1.198) | 0.0345 |
| Yes | - | - | |
| 0 | 1.071(0.978-1.173) | 0.1402 | |
| 1 | 1.377(0.983-1.929) | 0.0630 | |
| 2 | 1.523(0.622-3.727) | 0.3571 | |
| ≥ 3 | 1.799(0.708-4.570) | 0.2172 | |