Sample description
| Variable | Good | Fair | Poor |
| Age (years) | 64.9 | 64.4 | 56.8 |
| Gender (female) (%) | 75 | 60 | 61 |
| Antidiabetic medications (%) | |||
| None | 15 | 13 | 10 |
| Oral | 65 | 63 | 65 |
| Insulin±oral | 20 | 25 | 25 |
| Duration (%) | |||
| <5 years | 50 | 50 | 50 |
| 6–10 years | 25 | 25 | 25 |
| 11–15 years | 10 | 13 | 10 |
| 16+ years | 15 | 13 | 20 |
| Ethnicity (%) | |||
| White | 42 | 27 | 44 |
| African-American | 37 | 27 | 22 |
| Mexican/Hispanic | 21 | 47 | 28 |
| Other | 0 | 7 | 6 |