Table 1.
Demographic and clinical variables.
| Measurements | Mean ± SD or % |
|---|---|
| Age | 48.15 ± 11.29 |
| Gender (female, %) | 57 (87.69) |
| BMI | 28.83 ± 7.97 |
| Race (White, %) | 48 (73.84) |
| HR baseline | 84.89 ± 11.61 |
| HR max | 174.29 ± 7.90 |
| HR relative change | 1.97 ± 0.25 |
| Duration of fibromyalgia | 10.63 ± 8.2 |
| Education level (Higha, %) | 56 (90.76) |
| Number of diseases | 7.2 ± 3.51 |
| Smoking (yes, %) | 14 (21.53) |
| Alcohol (yes, %) | 27 (41.53) |
| Pain level (VAS) | 5.88 ± 1.8 |
| Anxiety level (VAS) | 4.42 ± 2.72 |
| Stress level (VAS) | 5.38 ± 2.92 |
| Depression level (VAS) | 3.73 ± 2.87 |
| BDI total score | 16.33 ± 9.04 |
| Quality of life score | 68.58 ± 14.56 |
| FIQR | 54.63 ± 19.33 |
| BPI total | 5.2 ± 1.68 |
| BPI interference | 5.34 ± 2.15 |
| BPI pain | 5.15 ± 1.62 |
| Use of antidepressants (yes, %) | 31 (47.69) |
| PROMIS pain | 2.13 ± 1.80 |
| PROMIS anxiety | 1.64 ± 1.48 |
| PROMIS fatigue | 2.38 ± 1.92 |
Abbreviations: BDI: Beck depression scale. BMI: body mass index. BPI: brief pain inventory. FIQR: fibromyalgia impact questionnaire. HR baseline: heart rate measure before the patient walked on the treadmill. HR max: 60%–70% of age-predicted maximal heart rate after the patient walked on the treadmill. HR relative change: percentage increase of the HR max compared to the baseline HR (HR max/HR baseline). Number of diseases: number of diseases that the patient has besides Fibromyalgia. PROMIS: patient-reported outcomes measurement information system. PSQI: Pittsburgh sleep quality index. VAS: visual analog scale.
a
High education is defined as having a graduate school degree.