Table 1.
Characteristics of Respondents to the Initial Survey and Comparison to Nonrespondents
| Characteristic | Respondents (N = 1,870) | Nonrespondent (N = 4,937)* | ||
|---|---|---|---|---|
| Number† | % | Number | % | |
| Age (years)‡ | ||||
| 35–39 | 260 | 13.9 | 984 | 19.9 |
| 40–44 | 362 | 19.4 | 1,199 | 24.3 |
| 45–49 | 480 | 25.7 | 1,280 | 25.9 |
| 50–55 | 766 | 41.0 | 1,474 | 29.9 |
| Sex‡ | ||||
| Female | 1,129 | 60.4 | 2,572 | 52.1 |
| Male | 739 | 39.6 | 2,365 | 47.9 |
| Race/ethnicity‡ | ||||
| Caucasian | 1,138 | 86.6 | 2,120 | 72.0 |
| Black | 139 | 10.6 | 621 | 21.1 |
| Asian | 16 | 1.2 | 72 | 2.5 |
| Hispanic | 21 | 1.6 | 129 | 4.4 |
| Native American | 0 | 0 | 1 | 0.0 |
| Education | ||||
| Some high school | 25 | 1.3 | ||
| GED or HS diploma | 128 | 6.8 | ||
| Some college courses | 276 | 14.8 | ||
| College degree | 1,439 | 77.0 | ||
| Household income ($) | ||||
| <20,000 | 24 | 1.3 | ||
| 20,000–34,000 | 77 | 4.1 | ||
| 35,000–49,000 | 154 | 8.2 | ||
| 50,000–74,000 | 415 | 22.2 | ||
| >75,000 | 1119 | 59.8 | ||
*Education and household income were obtained from the survey and are not available for nonrespondents
†Numbers do not total 1,870 in some rows because of missing data
‡P value for respondents versus nonrespondents ≤.001