Table 1.
Descriptive statistics.
| Total | Mask Distribution | No Mask Distribution | |
|---|---|---|---|
| Individual level | |||
| Mean (SD) mask usage, percentage | 94.4 (23.1) | 97.1 (16.6) | 91.7 (27.5) |
| Mean (SD) correct usage, percentage | 91.6 (27.8) | 95.0 (21.9) | 88.4 (32.0) |
| No. of observations | 21,524 | 11,126 | 10,398 |
| Cluster level, weighted | |||
| Mean (SD) mask usage, percentage | 94.4 (5.3) | 97.1 (2.1) | 91.7 (6.0) |
| Mean (SD) correct usage, percentage | 91.6 (6.7) | 95.0 (3.1) | 88.4 (7.5) |
| Mean (SD) No. of obs. | 252 (114) | 221 (99) | 281 (120) |
| No. of clusters | 117 | 61 | 56 |
Abbreviation: SD, standard deviation.