Table 2.
Participants characteristics (intention-to-treat populationa).
| Characteristic | Enrolled (n = 989) | Declined (n = 811) |
|---|---|---|
| Age, mean (±SD)b | 60.0 (±7.5) | 61.8 (±8.0) |
| Gender | n (%) | n (%) |
| Femaleb | 654 (66.1) | 487 (60.3) |
| Race/Ethnicity | ||
| White | 831 (84.1) | 694 (85.6) |
| Black | 58 (5.9) | 44 (5.4) |
| Hispanic | 48 (4.9) | 36 (4.4) |
| Other | 51 (5.2) | 37 (4.6) |
| Employment | ||
| Not employed | 510 (54.4) | 404 (53.4) |
| Gross household income | ||
| $39,999 | 342 (36.2) | 267 (35.7) |
| $40,000–74,999 | 309 (32.7) | 213 (28.5) |
| $75,000 | 294 (31.1) | 268 (35.8) |
| Marital status | ||
| Married | 519 (52.5) | 462 (57.0) |
| Education completed | ||
| College or beyond | 446 (45.7) | 368 (47.7) |
a
The intention-to-treat population includes all participants who underwent randomization to the five study groups and met age eligibility criteria and had any available data.
b
P < 0.01; all other characteristics showed nonsignificant differences with P > 0.05.