Table 1.
Demographic data
| Characteristic | FMS group (n = 43) | Control group (n = 129) |
|---|---|---|
| Gender (female), n (%) | 43 (100) | 138 (100) |
| Age (years), mean ± SD (range) | 55 ± 9 (38–75) | 55 ± 10 (38–75) |
| Duration of chronic pain (months), mean ± SD (range) | 248 ± 164 (36–720) | |
| Duration of FMS (months), mean ± SD (range) | 71 ± 49 (1–192) | |
| Current pain intensity (BPI), mean ± SD (range) | 54 ± 21 (1–89) | |
| Current driving (km/year), mean (range) | 8,349 (200–30,000) | |
| Driving experience (years), mean ± SD (range) | 32 ± 9 (4–45) | |
| BDI score, mean ± SD (range) | 16 ± 9 (3–45) | |
| BPI—average pain score, mean ± SD (range) | 95 ± 47 (16–168) | |
| BPI—interference score, mean ± SD (range) | 34 ± 13 (4–61) | |
| BFI—average score, mean ± SD (range) | 16 ± 6 (3–27) | |
| BFI—interference score, mean ± SD (range) | 27 ± 14 (1–52) | |
| SF-36 physical summary score, mean ± SD (range) | 28 ± 7 (16–45) | |
| SF-36 mental summary score, mean ± SD (range) | 40 ± 13 (17–69) | |
| STAI A-state score, mean ± SD (range) | 44 ± 10 (24–77) | |
| STAI A-trait score, mean ± SD (range) | 48 ± 12 (29–76) |
A-state state anxiety, A-trait trait anxiety, BFI Brief Fatigue Inventory, BPI Brief Pain Inventory, FMS fibromyalgia syndrome, SF-36 short form 36, STAI State-Trait Anxiety Inventory