Table 1.
Descriptive characteristics of respondents
| Characteristic | Total Population (N=4,676) |
|---|---|
| Categorical variables | n (%) |
| Any COVID-19 symptoms in last two weeks1 | 953 (20.4%) |
| Fever | 172 (3.7%) |
| Dry cough | 698 (14.9%) |
| Shortness of breath | 349 (7.5%) |
| Other flu-like symptoms | 298 (6.4%) |
| Went out yesterday2 | 2,587 (55.3%) |
| Number of close contacts yesterday3 | |
| 0 | 2,877 (61.5%) |
| 1 | 564 (12.1%) |
| 2 | 384 (8.2%) |
| 3 | 222 (4.7%) |
| 4 | 178 (3.8%) |
| 5 – 10 | 279 (6.0%) |
| 11 – 20 | 99 (2.1%) |
| More than 20 | 73 (1.6%) |
| Sex | |
| Female | 3,712 (79.4%) |
| Male | 964 (20.6%) |
| Age groups | |
| 18–29 | 738 (15.8%) |
| 30–39 | 1,294 (27.7%) |
| 40–49 | 1,144 (24.5%) |
| 50–59 | 784 (16.8%) |
| 60–69 | 449 (9.6%) |
| ≥70 | 267 (5.7%) |
| Education level | |
| Less than high school | 3 (0.1%) |
| High school | 89 (1.9%) |
| Some college | 321 (6.9%) |
| 2-year associate degree from a college or university | 171 (3.7%) |
| 4-year college or university degree | 1,134 (24.3%) |
| Some postgraduate or professional schooling, no postgraduate degree | 450 (9.6%) |
| Postgraduate or professional degree | 2,508 (53.6%) |
| Individual income in 2019 | |
| Less than $20,000 | 533 (11.4%) |
| $20,000 to less than $50,000 | 850 (18.2%) |
| $50,000 to less than $100,000 | 1,495 (32.0%) |
| $100,000 or more | 1,798 (38.5%) |
| Have paid work in February 2020 | 3,811 (81.5%) |
| Household size (including the respondent) | |
| 1 | 531 (11.4%) |
| 2 | 1,452 (31.1%) |
| 3 | 966 (20.7%) |
| 4 | 1,135 (24.3%) |
| ≥5 | 592 (12.7%) |
| Day of survey completion | |
| Saturday April 4, 2020 | 112 (2.4%) |
| Sunday April 5, 2020 | 2,148 (45.9%) |
| Monday April 6, 2020 | 1,945 (41.6%) |
| Tuesday April 7, 2020 | 471 (10.1%) |
| Continuous variables | mean (standard deviation) |
| Natural logarithm of population density per square mile | 7.8 (1.6) |
| Weight of U.S. population by sex, age, and education | 47,563.8 (18,9871.8) |
Notes:
1
Any COVID-19 symptom includes fever, dry cough, or shortness of breath. All symptoms are measured over the last two weeks;
2
Yesterday refers to the day before completing the survey; Going out does not include those who went out only for health care;
3
Close contact means coming within 6 feet of a non-household member.