Table 2. Logistic regression results for characteristics associated with being tested for SARS-CoV-2 prior to study enrollment.
| Characteristics | Number and percentage of participants who received prior testing for SARS-CoV-2 (n/N) | aOR (95% CI)a |
|---|---|---|
| Age (per 1-year increase) | N/A | 0.98 (0.98–0.99) |
| Sex | ||
| Female | 708/1,154 (61.3) | Ref. |
| Male | 754/1,601 (47.1) | 0.62 (0.52–0.73) |
| Ethnicity | ||
| White | 632/1,228 (51.5) | Ref. |
| Non-White | 830/1,527 (54.3) | 1.13 (0.94–1.36) |
| Income | ||
| Highest 60% | 554/1,051 (52.7) | Ref. |
| Lowest 40% | 908/1,704 (53.3) | 1.02 (0.86–1.21) |
| Health factor | ||
| None reported | 1,138/2,138 (53.2) | Ref. |
| Any reported | 324/617 (52.5) | 0.98 (0.80–1.21) |
| Smoking history | ||
| Never smoked | 1,146/2,152 (53.2) | Ref. |
| Current/previous smoker | 316/603 (52.4) | 1.11 (0.90–1.36) |
| Any recent travelb | ||
| None reported | 1,347/2,590 (52.0) | Ref. |
| Travel reported | 115/165 (69.7) | 1.15 (0.78–1.69) |
| Any contact | ||
| None reported | 1,209/2,433 (49.7) | Ref. |
| Contact reported | 253/322 (78.6) | 4.01 (3.01–5.35) |
| Business size | ||
| 1–50 employees | 478/1,000 (47.8) | Ref. |
| More than 50 employees | 984/1,755 (56.1) | 1.00 (0.82–1.22) |
| Study | ||
| Onsite Testing Study (January–March 2021) |
973/2,128 (45.7) | Ref. |
| Self-Testing Study (July–October 2021) |
489/627 (78.0) | 4.10 (3.24–5.19) |
Abbreviations: aOR, adjusted odds ratio; CI, confidence interval; N/A, not applicable; Ref., reference category
a Business sector included as a random intercept in the model
b Recent travel defined as occurring within the previous 14 days