Table 1.
Characteristics and serostatus of study participants (n=4469)
| Characteristic1 | All participants (n=4469) | Seropositive participants (n=322) | OR (95% CI) | P-Value5 | |
|---|---|---|---|---|---|
| N | N | % | |||
| Age group | |||||
| 18–29 y | 1668 | 133 | 8.0% | ref | |
| 30–39 y | 1761 | 104 | 5.9% | 0.72 (0.56 to 0.94) | 0.0174* |
| 40–49 y | 584 | 50 | 8.6% | 1.08 (0.77 to 1.52) | 0.6545 |
| 50–59 y | 315 | 26 | 8.3% | 1.04 (0.67 to 1.61) | 0.8666 |
| 60+ y | 85 | 2 | 2.4% | 0.28 (0.07 to 1.14) | 0.076 |
| BMI | |||||
| <18.5 | 34 | 3 | 8.8% | 1.44 (0.43 to 4.80) | 0.5500 |
| 18.5–<25 | 1686 | 106 | 6.3% | ref | |
| 25–<30 | 1523 | 101 | 6.6% | 1.06 (0.80 to 1.40) | 0.6916 |
| 30–<35 | 676 | 61 | 9.0% | 1.48 (1.06 to 2.05) | 0.0196* |
| 35–<40 | 246 | 23 | 9.3% | 1.54 (0.96 to 2.47) | 0.0742 |
| ≥40 | 105 | 5 | 4.8% | 0.75 (0.30 to 1.87) | 0.5308 |
| Ethnicity | |||||
| Not Hispanic/Not Latinx | 2492 | 113 | 4.5% | ref | |
| Hispanic/Latinx | 1274 | 155 | 12.2% | 2.91 (2.26 to 3.75) | <0.0001**** |
| Race | |||||
| White | 2862 | 185 | 6.5% | ref | |
| American Indian/Alaska Native | 32 | 3 | 9.4% | 1.50 (0.45 to 4.96) | 0.5092 |
| Asian | 442 | 18 | 4.1% | 0.61 (0.37 to 1.01) | 0.0535 |
| Black | 72 | 2 | 2.8% | 0.41 (0.10 to 1.70) | 0.2207 |
| Native Hawaiian/Pacific Islander | 29 | 2 | 6.9% | 1.07 (0.25 to 4.54) | 0.9249 |
| More than one race | 292 | 13 | 4.5% | 0.67 (0.38 to 1.20) | 0.1796 |
| Sex 2 | |||||
| Female | 600 | 40 | 6.7% | ref | |
| Male | 3730 | 267 | 7.2% | 1.08 (0.77 to 1.52) | 0.6634 |
| Children ≤ 18 y in household | |||||
| No | 3014 | 204 | 6.8% | ref | |
| Yes | 1342 | 106 | 7.9% | 1.18 (0.93 to 1.51) | 0.1808 |
| No. in household | |||||
| 1 | 640 | 41 | 6.4% | ref | |
| 2–4 | 3027 | 214 | 7.1% | 1.11 (0.79 to 1.57) | 0.5490 |
| >4 | 659 | 51 | 7.7% | 1.23 (0.80 to 1.88) | 0.3499 |
| Primary work location | |||||
| Cape Canaveral, Florida | 268 | 17 | 6.3% | ref | |
| Hawthorne, California | 2859 | 111 | 3.9% | 0.60 (0.35 to 1.01) | 0.0544 |
| McGregor, Texas | 257 | 21 | 8.2% | 1.31 (0.68 to 2.55) | 0.4202 |
| Seattle, Washington | 253 | 5 | 2.0% | 0.30 (0.11 to 0.82) | 0.0190* |
| South Texas, Texas | 712 | 160 | 22.5% | 4.28 (2.54 to 7.21) | <0.0001**** |
| Other | 69 | 1 | 1.4% | 0.23 (0.03 to 1.79) | 0.1623 |
| Comorbidities3,4 | |||||
| Asthma | 368 | 20 | 5.4% | 0.72 (0.45 to 1.15) | 0.1721 |
| Hypertension | 356 | 26 | 7.3% | 1.02 (0.67 to 1.54) | 0.9405 |
| Diabetes mellitus | 101 | 11 | 10.9% | 1.59 (0.84 to 3.01) | 0.1509 |
| Coronary heart disease | 17 | 1 | 5.9% | 0.80 (0.11 to 6.08) | 0.8329 |
| Stroke | 9 | 2 | 22.2% | 3.70 (0.76 to 17.87) | 0.1039 |
| Emphysema/COPD | 9 | 1 | 11.1% | 1.61 (0.20 to 12.93) | 0.6532 |
| Cancer-not receiving treatment | 39 | 2 | 5.1% | 0.69 (0.17 to 2.89) | 0.6163 |
| Other lung disease | 26 | 2 | 7.7% | 1.07 (0.25 to 4.56) | 0.9233 |
| Other immunocompromised | 61 | 4 | 6.6% | 0.92 (0.33 to 2.55) | 0.8710 |
| Other chronic medical condition | 176 | 9 | 5.1% | 0.72 (0.36 to 1.43) | 0.3471 |
| Smoking history | |||||
| Never | 3769 | 263 | 7.0% | ref | |
| Prior | 367 | 24 | 6.5% | 0.93 (0.61 to 1.44) | 0.7514 |
| Current | 229 | 23 | 10.0% | 1.49 (0.95 to 2.33) | 0.0826 |
1
Not reported data: age group (n=56), BMI (199), ethnicity (703), race (740), sex (139), children in HH (113), No. in HH (143), primary location (51), comorbidities (105)
2
Four (4) reported “other sex”, none were seropositive
3
For comorbidities reference value for OR is no. COPD chronic obstuctive pulmonary disease
4
Other comorbidities with no seropositive participants: chronic kidney disease (10), Heart failure (4), Cancer receiving treatment (3), Other heart disease (22).
5
P-values unadjusted for multiple hypothesis testing:
*
<0.05.
**
<0.01,
***
<0.001,
****
<0.0001