Logistic regression results for factors potentially associated with ever testing positive*
| Factor | No. of participants n = 2128 | No. (%) of tests positive | Adjusted OR (95% CI)† |
|---|---|---|---|
| Age (per 1-yr increase) | – | – | 1.0 (0.98–1.0) |
| Sex | |||
| Female | 808 | 9 (1.1) | 1.0 (reference) |
| Male | 1320 | 44 (3.3) | 2.2 (0.9–5.3) |
| Self-reported ethnicity | |||
| White | 926 | 4 (0.4) | 1.0 (reference) |
| Nonwhite | 1202 | 49 (4.1) | 3.7 (1.4–9.9) |
| Health factor‡ | |||
| None reported | 1681 | 45 (2.7) | 1.0 (reference) |
| Any reported | 447 | 8 (1.8) | 0.7 (0.3–1.5) |
| Smoking history | |||
| Never smoker | 1668 | 46 (2.8) | 1.0 (reference) |
| Current or previous smoker | 460 | 7 (1.5) | 0.7 (0.3–1.5) |
| Feeling on day of testing | |||
| “Fine, same as any other day” | 2098 | 51 (2.4) | 1.0 (reference) |
| “Not my best today” | 30 | 2 (6.7) | 3.5 (0.7–16.9) |
| Previous SARS-CoV-2 test history | |||
| Never tested | 1155 | 42 (3.6) | 1.0 (reference) |
| All test results negative | 882 | 9 (1.0) | 0.4 (0.2–0.8) |
| Any test result positive | 91 | 2 (2.2) | 0.7 (0.2–3.0) |
| Business size, no. of participants | |||
| 1–50 | 895 | 4 (0.4) | 1.0 (reference) |
| ≥ 51 | 1233 | 49 (4.0) | 7.9 (0.8–75.3) |
Note: CI = confidence interval, OR = odds ratio.
↵* The model accounts for clustering by business and sector.
↵† Models are adjusted for all factors included in the table.
↵‡ Includes hypertension, diabetes, chronic respiratory conditions (e.g., asthma), heart disease or participant-reported condition.