Table 5.
Household transmission rate by household size.
| Number in household | Number of households | Participants n (%) |
Antibody positive n (%) |
Transmission n (rate) |
Rate, all household membersa |
|---|---|---|---|---|---|
| 2 | 28 | 56 (100) | 36 (64.3) | 8 (0.29) | 0.286 |
| 3 | 17 | 45 (88.2) | 30 (66.7) | 13 (0.46) | 0.382 |
| 4 | 22 | 74 (84.1) | 39 (52.7) | 17 (0.33) | 0.258 |
| 5 | 10 | 40 (80.0) | 17 (42.5) | 7 (0.23) | 0.175 |
| 6 | 2 | 9 (75.0) | 2 (22.2) | 0 | 0.000 |
| 7 | 1 | 4 (57.1) | 2 (50.0) | 1 (0.33) | 0.167 |
| 8 | 2 | 13 (81.3) | 6 (46.2) | 4 (0.36) | 0.286 |
| Total | 82 | 241 (86.1%) | 132 (54.8%) | 50 (0.31) | 0.253 |
aAssuming the members who did not participate were not positive.