Table 2 Unadjusted and adjusted generalized estimating equation analysis of factors associated with SARS-CoV-2 vaccine uptake (at least two doses).

Characteristic	Unadjusted			Adjusted
Characteristic	OR (95% CI)	P-value		OR (95% CI)	P-value
Age
(Per 5 years older)	1.39 (1.20, 1.60)	< 0.001		1.27 (1.07, 1.51)	0.006
Sex at birth
(Male vs. female)	0.73 (0.37, 1.42)	0.355		0.97 (0.45, 2.11)	0.946
Ethnicity
(White vs. non-white)	0.72 (0.38, 1.39)	0.330		0.73 (0.32, 1.66)	0.456
Education
(< High school vs. ≥ high school)	1.23 (0.64, 2.35)	0.534		1.71 (0.83, 3.56)	0.148
Congregate living**
(Yes vs. no)	0.91 (0.46, 1.81)	0.792		0.72 (0.30, 1.74)	0.468
Homelessness
(Yes vs. no)	0.37 (0.16, 0.85)	0.019	(− 1.21, 0.67)	0.67 (0.26, 1.70)	0.398
Suspected COVID-19
(Yes vs. no)	0.43 (0.22, 0.87)	0.018		0.60 (0.19, 1.87)	0.376
Received + COVID-19 test^a
(Yes vs. no or never tested)	0.44 (0.21, 0.93)	0.031		0.63 (0.17, 2.36)	0.491
Using social media for vaccine information
(Yes vs. no)	0.24 (0.10, 0.59)	0.002		0.27 (0.09, 0.81)	0.019
Non-injection drug use^a
(Yes vs. no)	0.50 (0.27, 0.91)	0.024		0.76 (0.38, 1.51)	0.436
Injection drug use^a
(Yes vs. no)	0.54 (0.27, 1.11)	0.095		0.68 (0.30, 1.52)	0.344
HIV seropositive
(Yes vs. no)	3.86 (1.87, 7.98)	< 0.001		2.68 (1.12, 6.39)	0.027

OR hazard ratio, CI confidence interval.
^aRefers to activities in the 2 months prior to the follow-up interview.
**Congregate living is defined as living in a SROs, shelters, hotels/motels, correctional facilities, groups homes, dorms, emergency lodging, bold text refers to P-values < 0.05.

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