Comparison of study sample and United States population
| Variable | Sample proportion (%) | United States census proportion (%) |
|---|---|---|
| Age (n=863) | ||
| 18–39 | 44 | 45 |
| 40–64 | 39 | 37 |
| ≥65 | 17 | 17 |
| Gender (n=943) | ||
| Female | 63 | 52 |
| Male | 37 | 48 |
| Household income (n=821) | ||
| < $10 000 | 5 | 14 |
| 10 000–14 999 | 10 | 9 |
| 15 000–24 999 | 16 | 17 |
| 25 000–34 999 | 22 | 14 |
| 35 000–49 999 | 21 | 16 |
| 50 000–74 999 | 15 | 17 |
| ≥75 000 | 11 | 14 |
| Education (n=939) | ||
| Not a high school graduate | 10 | 19 |
| High school graduate | 34 | 34 |
| Some college | 28 | 27 |
| College graduate | 15 | 14 |
| Advanced degree | 12 | 7 |
| Race (n=886) | ||
| White | 85 | 84 |
| African-American | 11 | 12 |
| Asian/Pacific Islander | 2 | 4 |
| Native American/Alaska Native | 2 | 1 |
| Hispanic origin (n=934) | ||
| Yes | 6 | 9 |
| No | 95 | 91 |
| Geographic region (n=943) | ||
| Northeast | 17 | 20 |
| Midwest | 26 | 24 |
| South | 39 | 35 |
| West | 18 | 21 |