Characteristics of African–American Gullah female SLE cases compared with related controls
| Characteristics | SLE cases (n=220) | Controls (n=217) | p Value* |
|---|---|---|---|
| Mean age (years)±SD | 48.1±12.4 | 54.3±13.4 | <0.01 |
| Mean age (years) at first pregnancy±SD | 22.1±5.0 | 22.1±5.8 | 0.95 |
| Mean years of education±SD | 12.1±1.9 | 12.1±2.1 | 0.96 |
| Medical coverage† (%) | 82.7 | 86.6 | 0.26 |
| Disability‡ (%) | 38.6 | 6.9 | <0.01 |
| Employment (%) | 32.3 | 71.9 | <0.01 |
| Pregnancies±SD | 2.6±1.4 | 3.2±2.1 | <0.01 |
| Live births±SD | 2.3±1.2 | 2.8±1.9 | <0.01 |
*χ2/t test.
†Includes private insurance, Medicare, Medicaid and military benefits.
‡Currently receiving disability payments.
SLE, systemic lupus erythematosus.