Table 3. Epidemiological factors affecting mortality in the study population.
| Variables | Mortality vs. confirmed adjusted OR (95% CI)a | |
|---|---|---|
| Sex | ||
| Male | 2.18 (1.50–3.17) | |
| Female | Ref | |
| Age group, yr | ||
| 0–49 | Ref | |
| 50–64 | 20.32 (4.72–87.59) | |
| 65–74 | 61.28 (14.20–264.40) | |
| ≥ 75 | 377.35 (92.30–1,542.80) | |
| District | ||
| Large urban | Ref | |
| Small urban | 1.73 (0.91–3.30) | |
| Rural | 1.90 (1.15–3.16) | |
| High epidemic regionb | ||
| No | Ref | |
| Yes | 1.50 (0.91–2.48) | |
| Health insurance premium level | ||
| Medicaid | 2.81 (1.35–5.83) | |
| Self-employed | ||
| Lowest | 1.19 (0.46–3.05) | |
| Low | 1.25 (0.38–4.15) | |
| Middle | 1.63 (0.61–4.39) | |
| High | 1.66 (0.59–4.69) | |
| Highest | 2.31 (0.98–5.46) | |
| Employee | ||
| Lowest | 1.60 (0.74–3.47) | |
| Low | 1.33 (0.58–3.10) | |
| Middle | 1.34 (0.58–3.07) | |
| High | 1.10 (0.48–2.56) | |
| Highest | Ref | |
OR = odds ratio, CI = confidence interval.
aAdjusted OR and 95% CI for sex, age, district, high epidemic region, health insurance premium level; bDaegu region between February and March 2020.