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Sample Characteristics
| Characteristic | Chronic Pain (n=89) | Controls (n=102) |
|---|---|---|
| Gender (% female) | 62.9% | 52.0% |
| Race: | ||
| Caucasian | 60.7% | 55.9% |
| African-American | 32.6% | 38.2% |
| Ethnicity | ||
| Non-Hispanic | 95.5% | 94.1% |
| Mean Age (years) | 36.93 (11.5) | 33.43 (9.2) |
| Mean Pain Duration (months) | 116.53 (104.3) | – |
