Table I.
Participant Characteristics
| Group characteristic | JIA group N (%) | Chronic pain group N (%) | All N (%) |
|---|---|---|---|
| All participants | 18 (53%) | 16 (47%) | 34 (100%) |
| Gender (female) | 15 (82.4%) | 13 (78.6%) | 28 (82.4%) |
| Age, years | |||
| Mean | 13.1 | 14.6 | 13.8 |
| Median | 13.1 | 14.8 | 14.4 |
| Range | 8.0–18.6 | 8.4–18.0 | 8.0–18.6 |
| 8–10 | 5 (28%) | 1 (6%) | 6 (18%) |
| 11–12 | 4 (22%) | 3 (19%) | 7 (21%) |
| 13–15 | 6 (33%) | 7 (44%) | 13 (38%) |
| 16–18 | 3 (17%) | 5 (31%) | 8 (23%) |
| Ethnicity | |||
| Non-Hispanic | 17 (94.4%) | 16 (100%) | 30 (96.8%) |
| Hispanic | 1 (5.6%) | 0 (0%) | 1 (3.2%) |
| Race | |||
| White | 16 (88.9%) | 14 (87.5%) | 30 (88.2%) |
| Black | 1 (5.6%) | 0 (0%) | 1 (2.9%) |
| Biracial | 1 (5.6%) | 2 (12.5%) | 3 (8.8%) |
Note. JIA = juvenile idiopathic arthritis.