Table 4.
Variable | Category | Crude OR (95% CI) | Adjusted OR (95% CI) | Adjusted P |
---|---|---|---|---|
Age of household contact | Risk per year | 0·98 (0·95–1·0) | 0·97 (0·94–1·0) | 0·04 |
Close contact* with index patient | 0–1 hours | Ref | Ref | NA |
2–4 hours | 1·3 (0·5–3·9) | 1·6 (0·5–5·3) | 0·42 | |
5–8 hours | 0·8 (0·2–3·3) | 0·8 (0·2–3·7) | 0·76 | |
≥9 hours | 4·5 (1·4–14·5) | 5·5 (1·4–21·4) | 0·02 |
CI, confidence interval; OR, odds ratio.
*Close contact: <2 m to index patient.