Table 1.
Baseline demographic and clinical characteristics of the cohort and univariable analyses (n = 1111).
| Characteristic | Whole cohort (n = 1111) | Participants with primary outcome (n = 373) |
|---|---|---|
| Age in years (median IQR) | 37 (31–43) | 36 (29–41) |
| Females | 747 (67.2%) | 293 (78.6%) |
| BMI (median IQR) | 25.8 (23.4–28.3) | 25.9 (23.2–28.3) |
| Omanis | 630 (56.7%) | 227 (60.9%) |
| Physicians and nurses | 587 (52.8%) | 189 (50.7%) |
| Working in COVID-19 areas | 96 (8.6%) | 25 (6.7%) |
| History of unprotected contact with a confirmed case | 174 (15.7%) | 91 (24.4%) |
| Wearing a mask when in public: | ||
| - Always | 1069 (96.2%) | 358 (95.7%) |
| - Sometimes | 41 (3.7%) | 14 (3.8%) |
| - Never | 1 (0.1%) | 1 (0.3%) |
| Work risk area: | ||
| - High risk | 231 (20.8%) | 61 (16.4%) |
| - Intermediate risk | 476 (42.8%) | 163 (43.7%) |
| - Low risk | 404 (36.4%) | 149 (39.9%) |
| Clinical characteristics: | ||
| - Diabetes mellitus | 45 (4.1%) | 16 (4.3%) |
| - Hypertension | 47 (4.2%) | 17 (4.6%) |
| - Smoking | 10 (0.9%) | 3 (0.8%) |