Table 3.

Association of influenza vaccine and positive COVID-19 test: multivariable analysis

Variable	Comparator	Odds Ratio (95% CI)	P-value
Influenza vaccination	Yes vs No	0.76 (0.68, 0.86)	<.0001
Chronic Pulmonary Disease, Congestive Heart Failure, Diabetes or Hypertension	Yes vs No	1.28 (1.06, 1.53)	<0.001
	Unknown vs No	0.22 (0.09, 0.56)
Ethnicity	Non-Hispanic/Latino vs Hispanic/Latino	1.55 (1.02, 2.33)	0.02
	Unknown vs Hispanic/Latino	2.01 (1.21, 3.32)
Age	35-49 vs <35	1.54 (1.28, 1.84)	<0.001
	50-64 vs <35	1.48 (1.24, 1.76)
	≥65 vs <35	1.25 (1.03, 1.50)
	Unknown vs <35	0.63 (0.31, 1.27)
BMI	18.5-24.9 vs <18.5	1.95 (1.14, 3.32)	<0.001
	25-29.9 vs <18.5	3.11 (1.85, 5.24)
	30-39.9 vs <18.5	3.50 (2.09, 5.87)
	>40 vs <18.5	4.26 (2.48, 7.31)
	Unknown vs <18.5	5.92 (3.56, 9.82)
Elixhauser Score	Per Unit Increase	1.15 (1.12, 1.18)	<.001
Gender	Female vs Male	0.85 (0.76, 0.96)	.01
Race	Caucasian vs African American	0.23 (0.20, 0.27)	<.001
	Other vs African American	0.56 (0.44, 0.70)
	Unknown vs African American	0.46 (0.32, 0.67)
Smoking Status	Former Smoker vs Current Smoker	1.88 (1.32, 2.69)	<.001
	Tobacco User vs Current Smoker	0.79 (0.19, 3.38)
	Never Smoker vs Current Smoker	2.52 (1.79, 3.53)
	Unknown vs Current Smoker	3.02 (2.15, 4.24)