Table 2.
Participants’ demographic characteristics and self-assessment results for their risk of contracting COVID-19, stratified by demographic variables (N=24,547).
| Demographic characteristics | Number of participants, n (%) | Opinion of infection (% chance), mean (SD) | t test (df) or F test (df) | P value | |
| Gender | 10.99a (24,464.28) | <.001 | |||
|
|
Female | 12465 (50.8) | 34.70 (21.44) |
|
|
|
|
Male | 12082 (49.2) | 31.65 (22.01) |
|
|
| Number of COVID-19 cases in a participant’s state of current residence | 5.83b (5) | <.001 | |||
|
|
0-1000 | 606 (2.5) | 33.07 (22.39) |
|
|
|
|
1001-5000 | 5326 (21.7) | 33.91 (21.87) |
|
|
|
|
5001-10,000 | 3638 (14.8) | 32.71 (21.46) |
|
|
|
|
10,001-20,000 | 6937 (23.3) | 32.96 (21.71) |
|
|
|
|
20,001-40,000 | 6834 (27.8) | 32.71 (21.63) |
|
|
|
|
≥40,001 | 1206 (4.9) | 35.80 (22.97) |
|
|
| Age (years) | 163.72b (3) | <.001 | |||
|
|
0-20 | 6100 (24.9) | 31.33 (21.00) |
|
|
|
|
20-40 | 6677 (27.2) | 36.59 (22.05) |
|
|
|
|
40-60 | 6191 (25.2) | 35.28 (22.16) |
|
|
|
|
>60 | 5579 (22.7) | 28.89 (20.92) |
|
|
| BMIc | 18.68b (3) | <.001 | |||
|
|
Underweight (BMI<18.5 kg/m2) | 568 (2.3) | 31.55 (21.13) |
|
|
|
|
Normal weight (BMI=18.5-24.9 kg/m2) | 7136 (29.1) | 32.15 (21.61) |
|
|
|
|
Preobesity (BMI=25-29.9 kg/m2) | 7226 (29.4) | 32.70 (21.64) |
|
|
|
|
Obesity (BMI≥30 kg/m2) | 9617 (39.2) | 34.46 (21.98) |
|
|
| Smoking status | 10.52b (3) | <.001 | |||
|
|
Never | 13919 (56.7) | 32.61 (21.53) |
|
|
|
|
Quit | 5374 (21.9) | 33.42 (21.92) |
|
|
|
|
Vape | 2189 (8.9) | 34.21 (21.46) |
|
|
|
|
Yes | 3065 (12.5) | 34.78 (22.72) |
|
|
| Alcohol consumption status | 48.22b (2) | <.001 | |||
|
|
Never | 6165 (25.1) | 30.95 (21.70) |
|
|
|
|
None in last 14 days | 5750 (23.4) | 33.27 (21.87) |
|
|
|
|
Some in last 14 days | 12632 (51.5) | 34.27 (21.69) |
|
|
| Nonprescription/recreational drug used | 52.52b (2) | <.001 | |||
|
|
Never | 11621 (47.3) | 31.86 (21.74) |
|
|
|
|
None in last 28 days | 6491 (26.4) | 34.15 (21.67) |
|
|
|
|
Some in last 28 days | 5065 (20.6) | 35.33 (21.68) |
|
|
| Underlying medical conditions | −10.93a (24,545) | <.001 | |||
|
|
None | 14983 (61) | 31.99 (21.60) |
|
|
|
|
Have | 9564 (39.0) | 35.10 (21.92) |
|
|
aA 2-tailed t test value.
bAn F test value.
cBMI: body mass index; participants had a mean BMI of 29.41 kg/m2 (SD 7.74 kg/m2).
dThe total number of participants in this category does not equal 24,547 due to missing data.