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 | Â | Â | 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 | Â | Â | 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% |  |