Table 4. Unadjusted prevalence ratios (PR) and 95% confidence intervals (CI) for factors associated with COVID-19 positivity^{^} among homeless shelter workers (N = 77 participants who reported being tested).

Characteristic	PR (95% CI)	p-value+
Age (>40 years old)	1.54 (0.85, 2.78)	0.15
Sex (Female)	1.63 (0.32, 8.28)	0.55
Hispanic ethnicity	2.67 (0.60, 11.9)	0.20
Non-Hispanic Black race	2.00 (1.23, 3.26)	0.01
Current smoker	0.75 (0.44, 1.29)	0.30
Has an underlying condition	0.44 (0.10, 1.88)	0.27
Received influenza vaccine this year	0.78 (0.30, 2.02)	0.61
Household size (>3 people)	0.34 (0.11, 1.05)	0.06
BMI ≥ 30	1.86 (1.31, 2.63)	0.001
Job involves client engagement	0.65 (0.21, 2.00)	0.46
Length of employment (>12 months)	1.61 (0.95, 2.73)	0.08
Formal health education	1.02 (0.38, 2.78)	0.96
Frequent* close contact** with clients	3.97 (1.06, 14.93)	0.04
Frequent* direct physical contact# with clients	1.64 (0.94, 2.86)	0.08
Frequent* close contact** with coworkers	2.44 (0.98, 6.07)	0.06
Cleaning activities as part of job	1.13 (0.27, 4.68)	0.87
Received training on COVID-19 cleaning	1.55 (0.78, 3.11)	0.22
Facility measures: safe distancing (>6 ft)	0.52 (0.32, 0.84)	0.01
Facility measures: masks for staff or clients	0.50 (0.30, 0.84)	0.01
Any mask use for close contacts with clients	1.40 (0.54, 3.61)	0.49
Always/mostly use gloves when in direct physical contact with clients	0.82 (0.08, 8.47)	0.87
Use of mask when in close contact with coworkers	1.46 (0.56, 3.82)	0.44
Always used masks when interacting with COVID-19 case	1.44 (0.95, 2.22)	0.09
Used gloves when interacting with COVID-19 case	3.90 (1.36, 11.19)	0.01
Thought about quitting because worried about COVID-19	1.84 (1.02, 3.33)	0.04

^n = 15 positive homeless shelter workers.

⁺α< 0.05.

*Frequent defined as a few times a day to a few times a week.

**Close contact = within 6 feet for ≥15 minutes.

^#Direct physical contact = touching.