Table 4:

Multivariable model for predictors of having SARS-CoV-2 antibodies

VariableAdjusted odds ratio (95% CI)*
All participants
n = 1008		Participants excluding those with previously confirmed SARS-CoV-2 infection
n = 971
Age by year0.98 (0.96–0.99)0.94 (0.91–0.98)
Female sex1.86 (0.72–4.78)1.60 (0.48–5.35)
Non-White race†1.26 (0.46–3.52)2.85 (1.36–5.98)
Symptomatic household exposure7.15 (5.42–9.41)7.22 (3.65–14.3)
Direct care of patients with COVID-191.33 (0.72–2.47)0.50 (0.36–0.70)

  • Note: CI = confidence interval.

  • ↵* Adjusted for all variables in table and for clustering by hospital site.

  • ↵† Participants indicating unknown ancestry were excluded.