Participant characteristics
| Characteristic | n | N (%) |
|---|---|---|
| Mean age | 613 | 43 years |
| Age group (years) | 613 | |
| 18–35 | 211 (29.8) | |
| 36–50 | 206 (29.1) | |
| >50 | 291 (41.1) | |
| Percentage of females | 708 | 590 (83.3) |
| Race* | 708 | |
| Caucasian | 565 (79.8) | |
| African–American | 80 (11.3) | |
| Other | 63 (8.9) | |
| Income | 708 | |
| <$25 000 | 43 (6.1) | |
| $25 000–$75 000 | 323 (45.6) | |
| >$75 000 | 342 (48.3) | |
| <College degree | 708 | 104 (14.7) |
| Numeracy | 708 | |
| 0 correct | 31 (4.4) | |
| 1 correct | 84 (11.9) | |
| 2 correct | 231 (32.6) | |
| 3 correct | 362 (51.3) | |
| Health* | 708 | |
| Poor | 4 (0.6) | |
| Fair | 51 (7.2) | |
| Good | 223 (31.5) | |
| Very good | 317 (44.8) | |
| Excellent | 113 (16.0) | |
| Percentage of insured | 708 | 698 (98.6) |
| Difficulty obtaining pills† | 708 | |
| Somewhat difficult | 52 (7.3) | |
| Very difficult | 3 (0.4) | |
| Difficulty paying for pills† | 708 | |
| Somewhat difficult | 106 (15.0) | |
| Very difficult | 8 (1.1) | |
| Number of times pills taken per day ≥2 | 708 | 358 (50.6) |
| Number of pills taken per day | 708 | |
| 0 | 26 (3.7) | |
| 1 | 113 (16.0) | |
| 2 | 110 (15.5) | |
| 3+ | 459 (64.8) |
*Self-reported.
†Rated on five-point scale.