Table 2 Demographic differences between groupsa
From: Postural control deficits in people with fibromyalgia: a pilot study
| Variable | Healthy controls | Fibromyalgia | Statistical significance |
|---|---|---|---|
| Mean age, years (± SD) | 46.5 (± 10.9) | 50.8 (± 7.7) | NS |
| Females | 89% | 88% | NS |
| Caucasian | 92.6% | 88.0% | NS |
| Married | 77.8% | 72.0% | NS |
| Highest education level | 0.002 | ||
| High school | 7.4% | 8.0% | |
| Trade school or some college | 0.0% | 8.0% | |
| College graduate | 25.9% | 64.0% | |
| Postgraduate education | 66.7% | 2.0% | |
| Annual household income | 0.045 | ||
| < $30,000 | 7.6% | 24.0% | |
| $30,000 to $70,000 | 26.9% | 36% | |
| $70, 000 to $100,000 | 7.6% | 24.0% | |
| > $100,000 | 57.7% | 24.0% |