- Baseline characteristics for the 319 participants.
| Variable | n | (%) |
|---|---|---|
| Age in years [mean ± SD] (n=282) | 37.3 ± 8.6 | NA |
| Female (n=298) | 162 | (54) |
| Division (n=317) | ||
| Nursing | 130 | (40.8) |
| Anesthesia | 71 | (22.3) |
| Surgery | 54 | (16.9) |
| Critical care | 31 | (9.7) |
| Respiratory therapy | 13 | (4.1) |
| Others | 20 | (6.3) |
| Occupation | 312 | (41.7) |
| Nurse | 133 | (17.2) |
| Consultant | 55 | (12.5) |
| Registrar | 40 | (11.3) |
| Resident | 36 | (6.5) |
| Technician | 21 | (4.4) |
| Respiratory therapist | 14 | (6.3) |
| Others | 20 | |
| Chronic disease (n=294) | 104 | (32.6) |
| Hypertension† | 34 | (32.6) |
| Asthma† | 25 | (24.0) |
| Diabetes† | 17 | (16.3) |
| Others | 25 | (24.0) |
| Smoker | 35 | (10.9) |
| Blood group | 300 | (42.9) |
| O | 137 | (24.8) |
| A | 79 | (20.7) |
| B | 66 | (5.3) |
| AB | 17 | (0.3) |
| Don’t know | 1 | |
| Number of participants with history of COVID-19 infection (n=311) | 25 | (7.8) |
| Recovered at home | ||
| Admitted to hospital but did not require | 21 | (84.6) |
| oxygen | 4 | (13.4) |
| Number of participants with symptoms of COVID-19 infection | 226 | (70.8) |
↵† Some participants had more than one chronic disease. COVID-19, coronavirus disease; RT-PCR: reverse transcription polymerase chain reaction, NA: not applicable