Workplace risk factors and ORs of COVID-19 like illness (self-reported COVID-19 like illness or a positive COVID-19 test) in exposed healthcare workers adjusting for age, gender and country and model 2 age, gender, country, access to personal protective equipment (PPE) and close exposure to a COVID-19 case outside the workplace
| Model 1* | P value | Model 2† | P value | |
| Number of shifts per week | 1.08 (1.02–1.15) | 0.009 | 1.07 (1.01–1.14) | 0.028 |
| Number of work hours per shift | 1.00 (0.95–1.04) | 0.14 | 1.01 (0.96–1.05) | 0.80 |
| Work hours per week | 1.01 (1.00–1.01) | 0.015 | 1.01 (1.00–1.01) | 0.018 |
| Been in the room of a patient with confirmed COVID-19 during any of the following: | ||||
| CPAP or BiPAP | 0.78 (0.64–0.95) | 0.012 | 0.86 (0.70–1.04) | 0.125 |
| Nebulisation | 0.91 (0.74–1.12) | 0.37 | 0.89 (0.72–1.10) | 0.295 |
| Intubation | 0.72 (0.58–0.89) | 0.003 | 0.83 (0.67–1.03) | 0.086 |
| CPR | 0.91 (0.71–1.15) | 0.42 | 0.98 (0.77–1.24) | 0.89 |
| None of the above | 1.24 (1.02–1.51) | 0.032 | 1.14 (0.94–1.39) | 0.19 |
*Model 1 adjusted for age, gender and country.
†Model 2 adjusted for age, gender, country, access to personal protective equipment (PPE) and close exposure to a COVID-19 case outside the workplace.
BiPAP, bilevel positive airway pressure; CPAP, continuous positive airway pressure; CPR, cardiopulmonary resuscitation.