Table 3. Association between potential risk factors and SARS-CoV-2 infection.
| Variable | Multivariate logistic analysis | |
|---|---|---|
| OR (95% CI) | P value | |
| Female | 1.30 (1.24–1.37) | <0.0001 |
| Age >65 years | 1.01 (0.93–1.09) | 0.8676 |
| Daegu and Gyeonsangbuk-do province | 6.87 (6.55–7.21) | <0.0001 |
| Medical Aid beneficiaries | 1.99 (1.82–2.18) | <0.0001 |
| CCI (ref.: CCI =0) | ||
| 1 | 0.79 (0.74–0.84) | <0.0001 |
| 2 | 0.70 (0.65–0.76) | <0.0001 |
| ≥3 | 0.61 (0.56–0.67) | <0.0001 |
| Essential hypertension | 0.98 (0.92–1.05) | 0.6005 |
| DM | 1.15 (1.01–1.24) | 0.0002 |
| Asthma | 0.86 (0.81–0.92) | <0.0001 |
| COPD | 0.56 (0.49–0.65) | <0.0001 |
| IHD | 0.77 (0.70–0.85) | <0.0001 |
| CHF | 0.72 (0.63–0.81) | <0.0001 |
| Cancer | 0.60 (0.53–0.67) | <0.0001 |
| Liver cirrhosis | 0.53 (0.43–0.65) | <0.0001 |
| ESRD with dialysis | 0.18 (0.11–0.29) | <0.0001 |
| IBD | 0.51 (0.33–0.80) | 0.0028 |
SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; CCI, Charlson Comorbidity Index; DM, diabetes mellitus; COPD, chronic obstructive pulmonary disease; IHD, ischemic heart disease; CHF, congestive heart failure; ESRD, end-stage renal disease; IBD, inflammatory bowel disease; OR, odds ratio; CI, confidence interval.