Risk factor | Model 1 | Model 2 | ||
OR | (95% CI) | OR | (95% CI) | |
Sex | ||||
Female | ref. | ref. | ref. | ref. |
Male | 1.01 | 0.99 to 1.03 | 1.02 | 1 to 1.03 |
Age (years) | ||||
<30 | ref. | ref. | ref. | ref. |
30–34 | 0.96 | 0.94 to 0.99 | 0.97 | 0.94 to 0.99 |
35–39 | 0.97 | 0.95 to 1.00 | 0.98 | 0.96 to 1.01 |
40–44 | 0.99 | 0.96 to 1.02 | 1.00 | 0.97 to 1.02 |
45–49 | 1.00 | 0.98 to 1.03 | 1.00 | 0.98 to 1.03 |
50–54 | 0.98 | 0.95 to 1.00 | 0.98 | 0.95 to 1.00 |
55–60 | 0.89 | 0.86 to 0.91 | 0.89 | 0.86 to 0.91 |
>60 | 0.76 | 0.74 to 0.79 | 0.76 | 0.73 to 0.79 |
Ethnicity | ||||
White | ref. | ref. | ref. | ref. |
South Asian | 1.43 | 1.4 to 1.47 | 1.41 | 1.37 to 1.45 |
Other or unspecified Asian | 1.73 | 1.67 to 1.78 | 1.65 | 1.60 to 1.70 |
Black | 1.15 | 1.12 to 1.19 | 1.14 | 1.10 to 1.17 |
Mixed | 1.14 | 1.08 to 1.20 | 1.13 | 1.08 to 1.19 |
Other | 1.48 | 1.41 to 1.56 | 1.44 | 1.37 to 1.51 |
Unknown | 1.07 | 1.03 to 1.11 | 1.07 | 1.03 to 1.11 |
Episodes of sickness absence in 2019 | ||||
0 | ref. | ref. | ref. | ref. |
1 | 1.39 | 1.37 to 1.42 | 1.38 | 1.36 to 1.41 |
2–3 | 1.83 | 1.79 to 1.86 | 1.80 | 1.77 to 1.84 |
>3 | 2.41 | 2.36 to 2.47 | 2.38 | 2.32 to 2.43 |
Staff group at 9 March 2020 | ||||
Administrative and clerical | ref. | ref. | ref. | ref. |
Additional clinical services | 2.31 | 2.25 to 2.37 | 1.63 | 1.55 to 1.72 |
Additional professional scientific and technical | 1.37 | 1.31 to 1.43 | 1.05 | 0.98 to 1.12 |
Allied health professionals | 1.94 | 1.88 to 2.01 | 1.33 | 1.25 to 1.41 |
Estates and ancillary | 1.45 | 1.39 to 1.50 | 1.30 | 1.25 to 1.35 |
Healthcare scientists | 1.17 | 1.10 to 1.24 | 1.03 | 0.95 to 1.11 |
Medical and dental | 1.55 | 1.50 to 1.61 | 1.09 | 1.03 to 1.15 |
Nursing and midwifery registered | 2.28 | 2.23 to 2.34 | 1.57 | 1.49 to 1.65 |
Students | 1.87 | 1.60 to 2.20 | 1.35 | 1.14 to 1.59 |
Multiple or unknown | 1.62 | 1.37 to 1.92 | 1.17 | 0.98 to 1.39 |
Exposure category at 9 March 2020* | ||||
Care of patients much more likely to have COVID-19 than general population | – | – | 1.48 | 1.40 to 1.57 |
Care for patients who may be more likely to have COVID-19 than general population | – | – | 1.43 | 1.36 to 1.51 |
Care of patients with similar or lower prevalence of COVID-19 than general population | – | – | 1.06 | 1.01 to 1.12 |
No patient care but often in areas where patients have higher prevalence of COVID-19 than general population | – | – | 0.72 | 0.52 to 1.01 |
No patient care but often in areas where patients have similar or lower prevalence of COVID-19 than general population | – | – | 1.28 | 1.18 to 1.38 |
No patient care, occasionally in patient areas | – | – | ref. | ref. |
Unlikely to be in patient areas, but work with material potentially contaminated by COVID-19 | – | – | 0.92 | 0.85 to 0.99 |
Other or unknown | – | – | 0.73 | 0.71 to 0.76 |
Risk estimates were derived from two logistic regression models that included all of the variables for which results are presented, together with trust (191 categories).
*Exposure categories are from the job-exposure matrix. For more information see online supplemental file A.