Participant characteristics
| Overall | Intermittent | Persistent | |
| n=42 | n=18 | n=24 | |
| Age, years (mean, SD) | 45 (14.5) | 38.7 (13.9) | 49.8 (13.4) |
| Disease duration, years (mean, SD) | 14.5 (9.5) | 13.2 (8.8) | 15.5 (10.1) |
| Female | 39 (93%) | 16 (89%) | 23 (96%) |
| Race/ethnicity | |||
| Non-Hispanic black | 22 (52%) | 12 (67%) | 10 (42%) |
| Non-Hispanic white | 15 (36%) | 4 (22%) | 11 (46%) |
| Hispanic | 2 (5%) | 1 (6%) | 1 (4%) |
| Asian | 2 (5%) | 1 (6%) | 1 (4%) |
| Two or more races | 1 (2%) | 0 (0%) | 1 (4%) |
| College education | 22 (52%) | 10 (56%) | 12 (50%) |
| Medicare/Medicaid/no insurance | 20 (48%) | 6 (33%) | 14 (58%) |
| Married or living with partner | 21 (50%) | 8 (44%) | 13 (54%) |
| Number of individuals to count on for help or support (mean, SD) | 3.5 (1.9) | 3.4 (1.9) | 3.6 (2.0) |
| ≥2 individuals | 35 (83%) | 15 (83%) | 20 (83%) |