Table 2.
Comparison between fibromyalgia and fibromyalgia-free participants
| Fibromyalgia-negative (n=709) | Fibromyalgia-positive (n=256) | P | |
|---|---|---|---|
| Age (years) | 34.8 ± 12.3 | 33.3 ± 12.1 | 0.099 |
| BMI (kg/m2) | 26.0 ± 4.9 | 26.0 ± 4.9 | 0934 |
| FS | 6.4 ± 3.5 | 17.0 ± 3.9 | 0.001 |
| Sex | 0.001 | ||
| Male, n (%) | 227 (32.0) | 25 (9.8) | |
| Female, n (%) | 482 (68.0) | 231 (90.2) | |
| Marital status | 0.063 | ||
| Single, n (%) | 304 (42.9) | 127 (49.6) | |
| Married, n (%) | 405 (57.1) | 129 (50.4) | |
| Employment status | 0.748 | ||
| Unemployed, n (%) | 410 (57.8) | 151 (59.0) | |
| Employed, n (%) | 299 (42.2) | 105 (41.0) | |
| Pre-existent comorbid diseases | |||
| IBS, n (%) | 213 (30.0) | 119 (46.5) | 0.001 |
| Psychiatric disease, n (%) | 123 (17.3) | 63 (24.6) | 0.012 |
| Rheumatological disease, n (%) | 75 (10.6) | 46 (18.0) | 0.002 |
| Neurological disease, n (%) | 23 (3.2) | 37 (14.5) | 0.001 |
| Cancer, n (%) | 9 (1.3) | 6 (2.3) | 0.234 |
FS, fibromyalgia score; IBS, irritable bowel syndrome.