TABLE 1—
Age, Gender, Education, and Income Distribution of Respondents (N = 1113), by Racial/Ethnic Group: Tuskegee Legacy Project Study, 1999–2000
| Blacksa,b | Whitesa,c | Hispanicsb,c | |
| Total, No. | 353 | 623 | 157 |
| Age, mean (SD) | 49.1 (16.5) | 53.8 (17.0) | 41.5 (16.1) |
| Male, % (95% CI) | 52.1 (46.8, 57.4) | 48.3 (44.3, 52.3) | 39.5 (31.8, 47.6) |
| Education level, % (95% CI) | |||
| Less than high school graduate | 21.6 (17.4, 26.4) | 11.8 ( 9.4, 14.7) | 14.0 (9.0, 20.4) |
| High school graduate or some college | 60.5 (55.3, 65.8) | 51.3 (47.4, 55.4) | 61.0 (53.5, 68.8) |
| College graduate or higher | 17.9 (14.0, 22.2) | 36.9 (33.1, 40.8) | 25.0 (16.3, 32.4) |
| Income level, % (95% CI) | |||
| < $20 000 | 42.8 (37.6, 48.1) | 21.3 (18.2, 24.8) | 41.7 (33.6, 49.5) |
| $20 000–$74 999 | 52.1 (46.8, 57.4) | 58.4 (54.4, 62.3) | 52.5 (44.1, 60.3) |
| ≥ $75 000 | 5.1 ( 3.1, 7.9) | 20.3 (17.1, 23.6) | 5.8 ( 2.7, 10.6) |
Note. CI = confidence interval.
aStatistically significant contrasts for Blacks versus Whites: differed on age, education, and income (P ≤ .05).
bStatistically significant contrasts for Blacks versus Hispanics: differed on age and gender (P ≤ .05).
cStatistically significant contrasts for Hispanics versus Whites: differed on age, gender, education, and income (P ≤ .05).