Table 1.
Combination of factors that reproduced similar outbreak observations in the dormitory under study.
| Parameter category | Parameter set | mean (95% confidence interval) |
|---|---|---|
| Disease transmission | Initial number of cases | 13.9 (12.3–15.4) |
| Proportion of asymptomatic cases (%) | 70.8 (64.5–76.9) | |
| Relative infectiousness of an asymptomatic case (%) | 17.5 (11.3–23.7) | |
| Probability of infection inside a room (%) | 70.3 (64.0–76.7) | |
| Probability of infection outside a room (%) | 54.9 (41.9–67.9) | |
| Contact network | Mean number of random contacts form on the same level | 9.9 (7.9–12.0) |
| Mean number of random contacts form on different levels but same block | 5.0 (3.9–6.1) | |
| Mean number of random contacts form in different blocks | 2.6 (1.9–3.3) | |
| Health seeking behaviour | Proportion of symptomatic cases seeking medical attention (%) | 43.4 (32.7–54.2) |
| Effectiveness of public health measures | Probability that contacts with persons on the same level remains after social distancing (%) | 38.4 (28.5–48.3) |
| Probability that contacts with persons on different levels of the same block remains after social distancing (%) | 42.3 (29.6–55.1) | |
| Probability that contacts with persons in different block remains after social distancing (%) | 50.7 (38.0–63.4) | |
| Reduction in probability of infection outside a household (%) | 21.6 (15.4–27.7) | |
| Days since deployment of ground officers when reduction in probability of infection outside a household occurred | 3.9 (3.1–4.6) |