| Characteristic | % (n) | Mean (SD) (n) | BIAC1 |
| Demographic | |||
| Age, years (range 40 - 75) | 57.6 (8.6) (249) | r = −0.02 | |
| Education, years | 14.8 (3.5) (242) | r = −0.02 | |
| Race | |||
| White | 45.0 (112) | 38.9**** | |
| Black | 36.6 (91) | 55.2 | |
| Hispanic | 8.4 (21) | 49.8 | |
| Asian | 7.2 (19) | 41.4 | |
| Other | 2.8 (7) | 47.4 | |
| Site | |||
| North Carolina | 60.2 (151) | 47.2 | |
| Los Angeles County | 39.8 (100) | 45.1 | |
| Caregiving | |||
| Relationship to cared-for person | |||
| Spouse or partner | 24.4 (61) | 38.8** | |
| Child | 49.6 (124) | 47.2 | |
| Parent | 9.2 (23) | 46.7 | |
| Other 1st or 2nd degree relative | 10.8 (27) | 56.6 | |
| Non-relative | 6.0 (15) | 53.1 | |
| Duration of caregiving (months) | 74.1 (80.1) (247) | r = −0.06 |