Table 3.
Independent t-tests between fibromyalgia patients (FM) and healthy controls (HC) for symptom characteristics and personality traits (means ± standard deviation).
| FM | HC | t | df | P | |
|---|---|---|---|---|---|
| Symptom Characteristic | |||||
| Pain | 6.36 ± 2.25 | 0.17 ± 0.10 | 13.18 | 47 | 0.000 |
| Fatigue | 8.52 ± 1.33 | 2.88 ± 2.44 | 10.16 | 48 | 0.000 |
| Sleep | 8.24 ± 1.67 | 3.33 ± 2.75 | 7.71 | 50 | 0.000 |
| Confusion | 11.0 ± 4.45 | 6.19 ± 5.87 | 3.31 | 50 | 0.01 |
| Depression | 4.72 ± 2.49 | 1.41 ± 2.56 | 4.72 | 50 | 0.000 |
| Anxiety | 4.76 ± 3.07 | 1.74 ± 2.16 | 4.13 | 50 | 0.000 |
| Stress | 30.16 ± 5.89 | 24.15 ± 7.30 | 3.25 | 50 | 0.01 |
| Personality traits | |||||
| Extraversion | 24.35 ± 6.29 | 27.43 ± 5.84 | −1.68 | 50 | NS |
| Neuroticism | 25.95 ± 5.22 | 23.91 ± 6.04 | 2.36 | 50 | 0.05 |
| Agreeableness | 35.21 ± 3.94 | 33.57 ± 4.03 | 1.07 | 50 | NS |
| Conscientiousness | 35.10 ± 4.24 | 33.29 ± 5.44 | 1.20 | 50 | NS |
| Openness | 35.20 ± 5.99 | 34.43 ± 1.02 | 0.44 | 50 | NS |
NS: not significant.