Table 3.
Relative risk (RR) of pneumococcal carriage and ARS by level of reported number of daily casual contacts.
| Number of casual contacts | N | Crude RR (95%CI) | Age-adjusted RR (95%CI) |
|---|---|---|---|
| Pneumococcal carriage | |||
| 0 – 9 | 315 | ref | ref |
| 10 – 19 | 119 | 0.82 (0.52; 1.27) | 0.80 (0.55; 1.75) |
| ≥20 | 56 | 0.81 (0.44; 1.49) | 1.19 (0.70; 2.04) |
| Unknown | 76 | 1.52 (1.00; 2.31) | 1.07 (0.77; 1.49) |
| Acute respiratory symptoms (ARS) | |||
| 0 – 9 | 315 | ref | ref |
| 10 – 19 | 119 | 1.02 (0.65; 1.49) | 1.00 (0.65; 1.54) |
| ≥20 | 56 | 0.51 (0.21; 1.27) | 0.56 (0.22; 1.39) |
| Unknown | 76 | 1.01 (0.45; 2.28) | 0.88 (0.38; 2.00) |
RR = Risk Ratio. CI = Confidence Interval.