Table 2.

Association of COVID-19 Infection with Vaccination Status.

Vaccination Status	COVID-19 infection Prevalence % (95 % CI)	Unadjusted Odds Ratio (95 % CI)	Adjusted Odds Ratio* (95 % CI)
Unvaccinated	18.8 (17.3–20.4)	1.00 (reference)	1.00 (reference)
Flu shot only	21.3 (18.2–24.4)	1.16 (0.94–1.44)	1.23 (0.99–1.54)
Covid-19 only	14.0 (12.9–15.1)	0.70 (0.61–0.80)	0.71 (0.61–0.82)
Dual vaccines	11.4 (10.6–12.2)	0.56 (0.49–0.63)	0.65 (0.56–0.75)

*adjusting for age, sex, race/ethnicity, marital status, education attainment, family federal poverty level, census region, urban/rural, insurance coverage, usual source of care, health status, number of chronic conditions, and time of interview.