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[Preprint]. 2020 May 25:2020.04.29.20084111. [Version 6] doi: 10.1101/2020.04.29.20084111

Table 4.

Frontline healthcare workers and risk of testing positive for COVID-19 by site of care delivery.

Positive COVID-19 testing
Hazard Ratio (95% CI)
No. with Event/Person-days Incidence (30-day) Age-adjusted Multivariate-adjusted % reporting reused PPE % reporting inadequate PPE
General community 3,623/32,980,571 0·33% 1·0 (ref) 1·0 (ref)
Frontline HCWs
 Inpatient 564/184,293 9·18% 23·6 (21·2 to 26·2) 24·3 (21·8 to 27·1) 23·7 11·9
 Nursing homes 118/52,901 6·69% 16·5 (13·6 to 20·0) 16·2 (13·4 to 19·7) 15·4 16·9
 Outpatient hospital clinics 51/45,217 3·38% 10·7 (8·10 to 14·3) 11·2 (8·44 to 14·9) 16·3 12·2
 Home health sites 36/38,642 2·79% 7·79 (5·58 to 10·9) 7·86 (5·63 to 11·0) 14·7 15·9
 Ambulatory clinics 44/66,408 1·99% 6·64 (4·90 to 9·01) 6·94 (5·12 to 9·41) 19·3 11·8
 Other 73/64,310 3·41% 9·42 (7·42 to 12·0) 9·52 (7·49 to 12·1) 12·0 13·8

Abbreviations: CI (confidence interval)

Model was stratified by 5-year age group, calendar date at study entry, and country and adjusted for sex, history of diabetes, heart disease, lung disease, kidney disease, and current smoking (each yes/no), and body mass index (17–19·9, 20–24·9, 25–29·9, and ≥30 kg/m2).

Ambulatory clinics include free-standing (non-hospital) primary care/specialty clinics and school-based clinics.