Table 3.

Unadjusted and adjusted comparisons of IgG seroprevalence within ZIP code pairs, n = 1667, Chicago, IL 2020

	OR (95% CI)	aOR (95% CI)
Pair 1 (60645 60660)	0.89 (0.50, 1.56)	0.96 (0.53, 1.71)
Pair 2 (60639 60647)	1.24 (0.71, 2.16)	1.07 (0.60, 1.91)
Pair 3 (60609 60615)	1.26 (0.64, 2.48)	1.21 (0.60, 2.41)
Pair 4 (60612 60622)	0.79 (0.43, 1.47)	0.73 (0.39, 1.37)
Pair 5 (60643 60655)	1.13 (0.65, 1.95)	0.91 (0.51, 1.61)

Note: CI = confidence interval; OR = Odds Ratio; aOR = Adjusted Odds Ratio Logistic regression analyses included the following covariates to produce adjusted ORs: race and/or ethnicity, age, gender, and prior COVID-19 positive test. All effects non–significant with P > .05.