Table 2. Comparison of somatic and psychological symptoms between persons without fibromyalgia, FP fibromyalgia, and those that meet NHIS fibromyalgia criteria.
| Symptom Profile | 1: Not fibromyalgia | 2: F/P Fibromyalgia | 3: Fibromyalgia | 2 vs. 1 p-value† | 2 vs. 3 p-value† |
|---|---|---|---|---|---|
| Percent in category (%) | 96.9 | 1.3 | 1.7 | ||
| Mean (SE) | Mean (SE) | Mean (SE) | |||
| Polysymptomatic Distress Score | 2.5 (0.04) | 6.8 (0.36) | 16.1 (0.32) | <0.001, <0.001 | <0.001,<0.001 |
| Pct. (SE) | Pct. (SE) | Pct. (SE) | |||
| Widespread Pain (%) | 4.9 (0.3) | 29.2 (4.7) | 83.6 (3.4) | <0.001, <0.001 | <0.001,<0.001 |
| Pain: most or all days (%) | 15.2 (0.5) | 77.5 (4.6) | 86.6 (3.9) | <0.001, <0.001 | 0.126, 0.236 |
| Fatigue more than 3 days last year (%) | 12.8 (0.5) | 57.2 (5.3) | 81.3 (4.4) | <0.001, <0.001 | <0.001, 0.002 |
| Severe Fatigue (%) | 9.5 (0.4) | 29.8 (5.0) | 59.6 (5.1) | <0.001, <0.001 | <0.001,<0.001 |
| Insomnia past year (%) | 18.2 (0.5) | 54.1 (5.5) | 67.5 (5.0) | <0.001, <0.001 | 0.078, 0.150 |
| Memory loss past year (%) | 3.9 (0.2) | 9.1 (3.0) | 43.6 (5.5) | 0.090, 0.172 | <0.001,<0.001 |
| Low back pain past 3 months (%) | 26.7 (0.6) | 67.5 (5.1) | 94.2 (2.1) | <0.001, <0.001 | <0.001,<0.001 |
| Abdominal pain past 3 months (%) | 7.8 (0.3) | 19.7 (4.4) | 66.6 (4.6) | 0.008, 0.015 | <0.001,<0.001 |
| Migraine past 3 months (%) | 13.2 (0.5) | 33.6 (5.3) | 56.2 (5.6) | <0.001, <0.001 | 0.004, 0.008 |
| Allergies past year (%) | 17.8 (0.6) | 17.9 (4.0) | 49.7 (4.8) | 0.981, 0.999 | <0.001,<0.001 |
| Depression Ever (%) | 13.0 (0.4) | 41.2 (5.7) | 62.7 (5.2) | <0.001, <0.001 | 0.006, 0.012 |
| Anxiety past 3 months (%) | 17.9 (0.5) | 33.3 (4.6) | 64.8 (5.2) | 0.001, 0.002 | <0.001, 0.001 |
| Phobias Ever (%) | 4.6 (0.3) | 13.9 (4.6) | 32.9 (4.4) | 0.044, 0.087 | 0.003, 0.006 |
Not fibromyalgia: Persons that do not report receiving a fibromyalgia diagnosis from a physician or health professional and do not satisfy 2012 NHIS fibromyalgia criteria. F/P fibromyalgia: Persons that do report receiving a fibromyalgia diagnosis from a physician or health professional and do not satisfy 2012 NHIS fibromyalgia criteria. Fibromyalgia: Persons that do satisfy 2012 NHIS fibromyalgia criteria.
†: First p-value is unadjusted, second p-value is adjusted for multiple comparisons by Sidak’s method