Table 3.
Household Contact Characteristics by Infection Status (Strict Analysis Set), Excluding 2° Cases with Outside Infections
| Infected Contact (N=7) | Not Infected Contact (N=28) | p-value | |
|---|---|---|---|
|
| |||
| Characteristic of Household Contact | |||
|
| |||
| Age (Median, Min-Max) | 46 (13–50) | 28.5 (10–64) | 0.76a |
|
| |||
| Male sex assigned at birth (N, %) | 2 (33.3) | 13 (59.1%) | 0.37b |
| Missing | 1 | 6 | |
|
| |||
| Number of COVID-19 vaccines received (Median, Min-Max) | 3 (2–3) | 3 (2–4) | 1.00b |
| Missing | 0 | 1 | |
|
| |||
| Days from last infection/vaccination (Median, Min-Max) | 146 (119–193) | 138 (−1–197) | 0.45a |
| Missing | 0 | 6 | |
|
| |||
| Characteristic of Associated Index Case | |||
|
| |||
| Lowest Ct value (Median, Min-Max) | 27.8 (18.2–35) | 25 (15.9–33.9) | 0.19a |
|
| |||
| Duration of shedding in days (Median, Min-Max) | 7 (3–9) | 8 (1–15) | 0.41a |
| Missing | 0 | 0 | |
|
| |||
| Characteristic of Associated Household | |||
|
| |||
| Number of persons in household (Median, Min-Max) | 4 (2–4) | 4 (2–4) | 0.10b |
| Missing | 0 | 1 | |
|
| |||
| Square footage (Median, Min-Max) | 1140 (740–3300) | 1000 (740–3300) | 0.59a |
| Missing | 2 | 15 | |
a.
Wilcoxon rank sum test
b.
Fisher’s Exact