Table 3. Multivariate model for vaccine effectiveness at preventing cases of COVID-19.

Covariates	Odds of having a COVID-19-positive test	Odds of having a COVID-19-positive test with >= 1 moderate/severe symptom)
	Adjusted OR (95% CI)	Adjusted OR (95% CI)
Vaccination status
Unvaccinated	(ref)	(ref)
Fully or partially vaccinated	0.05 (0.04, 0.06)	0.29 (0.20, 0.40)
Anxiety	1.27 (0.96, 1.69)	1.46 (0.97, 2.21)
Autoimmune disorder	1.22 (0.86, 1.74)	1.15 (0.72, 1.85)
Blood disorder	3.01 (1.56, 5.83)	2.60 (1.28, 5.28)
Cardiovascular disorder	0.89 (0.53, 1.50)	1.47 (0.76, 2.81)
Depression	1.00 (0.74, 1.33)	1.07 (0.71, 1.61)
Diabetes	1.23 (0.81, 1.86)	0.87 (0.48, 1.58)
Hypertension	0.89 (0.66, 1.20)	0.85 (0.55, 1.32)
Insomnia or trouble sleeping	1.09 (0.84, 1.42)	1.57 (1.09, 2.25)
Kidney Disorder	1.19 (0.60, 2.36)	0.95 (0.38, 2.42)
Lung Disorder	0.55 (0.37, 0.81)	0.90 (0.54, 1.52)
Education
Some college or less	(ref)	(ref)
4-year college degree	0.73 (0.55, 0.97)	0.71 (0.46, 1.08)
>4-year college degree	0.97 (0.74, 1.27)	0.68 (0.45, 1.02)
Race
Other	(ref)	(ref)
White	2.33 (1.64, 3.32)	1.09 (0.65, 1.82)
Age (per 1 year increment)	1.00 (0.99, 1.01)	1.01 (0.99, 1.02)
Gender
Female	(ref)	(ref)
Male	1.50 (1.10, 2.06)	1.26 (0.79, 2.01)
Other	1.35 (0.63, 2.91)	1.29 (0.48, 3.47)
Ethnicity (Hispanic Latino vs not)
Not Hispanic	(ref)	(ref)
Hispanic	0.99 (0.68, 1.46)	0.84 (0.45, 1.54)
Vaccination access (proxy)
Early availability, high vaccination rate	(ref)	(ref)
Early availability, low vaccination rate	0.87 (0.60, 1.26)	1.24 (0.74, 2.09)
Late availability, high vaccination rate	0.63 (0.46, 0.86)	0.72 (0.44, 1.16)
Late availability, low vaccination rate	1.15 (0.83, 1.60)	1.26 (0.79, 2.02)

If a referent category is not listed, then the comparison is yes vs no (referent group).