Table 2.
Association of Participant a Characteristics With Behaviors Reported During Omicron Wave (December 2021 through January 2022)
| Clinical Characteristics | Wear a Mask Indoors | Dine/Drink Indoors at Restaurants/Bars | Attend Large Gatherings/Events |
|---|---|---|---|
| Age group | |||
| ≤29 y | Reference | Reference | Reference |
| 30–39 y | 1.10 (1.01–1.20) 2 | 0.52 (0.40–0.68) 2 | 0.53 (0.36–0.79) b |
| 40–49 y | 1.04 (0.96–1.14) | 0.75 (0.59–0.97) | 0.58 (0.40–0.86) |
| 50–59 y | 1.06 (0.97–1.15) | 0.72 (0.56–0.93) | 0.57 (0.38–0.85) |
| ≥60 y | 1.08 (0.99–1.18) | 0.60 (0.44–0.81) | 0.47 (0.29–0.75) |
| Sex | |||
| Female | Reference | Reference | Reference |
| Male | 1.03 (0.99–1.06) | 1.03 (0.85–1.26) | 0.88 (0.64–1.22) |
| Racec | |||
| White | Reference | Reference | Reference |
| Asian | 1.06 (1.03–1.09) | 1.12 (0.88–1.44) | 0.98 (0.65–1.48) |
| African American | 1.06 (1.02–1.10) | 1.46 (1.11–1.92) | 2.05 (1.43–2.96) |
| Other d | 0.99 (0.87–1.12) | 0.85 (0.45–1.60) | 0.68 (0.24–1.99) |
| Ethnicity | |||
| Not Hispanic/Latino | Reference | Reference | Reference |
| Hispanic/Latino | 1.02 (0.96–1.09) | 0.86 (0.55–1.33) | 0.67 (0.32–1.44) |
| Other characteristics | |||
| Mask mandate in county of primary residence as of 12/31/2021 e | 1.13 (1.05–1.21) | 0.78 (0.63–0.96) | 0.80 (0.57–1.12) |
| Diabetes f | 1.04 (0.98–1.10) | 1.17 (0.78–1.76) | 1.24 (0.67–2.31) |
| Obesity f | 1.02 (0.98–1.06) | 0.85 (0.66–1.10) | 0.80 (0.54–1.19) |
| Smoking (current/former) f | 0.97 (0.87–1.08) | 0.85 (0.51–1.44) | 0.79 (0.35–1.79) |
| Immune deficiency, cancer, transplant f | 1.07 (1.05–1.09) | 0.97 (0.62–1.51) | 0.68 (0.30–1.56) |
| COVID-19 infection prior to period 4 g | 0.91 (0.85–0.97) | 1.39 (1.14–1.70) | 1.91 (1.45–2.52) |
| Booster before 12/1/2021 | 1.17 (1.11–1.23) | 0.67 (0.57–0.79) | 0.60 (0.47–0.76) |
1,125 participants who completed survey B were included in this analysis.
Risk ratios with 95% Confidence Interval were calculated using robust error variance.
Participants were excluded from this variable who reported nonbinary sex (n = 3).
Participants who reported American Indian/Alaskan Native, Native Hawaiian/Pacific Islander and other race were grouped as other race due to small sample size.
Based on participants’ self-reported ZIP code of primary residence and the mask mandate for the county encompassing that ZIP code as of December 31, 2021.
Underlying conditions based on self-report of participants during period 4. Conditions contributing to immunocompromised state were grouped together as immune deficiency, cancer, or transplant.
Includes participants who tested PCR positive for SARS-CoV-2 or who self-reported having tested positive for SARS-CoV-2 before period 4.