Table 2.
Item description of somatic symptoms as measured by the PHQ-15 (N = 177).
| Somatic symptoms | M | SD | Min | Max | Skewness | Kurtosis | % (Absence) | % (Presence) |
|---|---|---|---|---|---|---|---|---|
| 1. Back pain | 0.42 | 0.696 | 0 | 2 | 1.351 | 0.390 | 69.5 | 30.5 |
| 2. Pain in arms, legs, or joints (knees, hips, etc.) | 0.24 | 0.544 | 0 | 2 | 2.238 | 3.973 | 81.9 | 18.1 |
| 3. Menstrual cramps or other problems with periods (women only) | 0.34 | 0.603 | 0 | 2 | 1.563 | 1.341 | 72.3 | 27.7 |
| 4. Headaches | 0.50 | 0.724 | 0 | 2 | 1.080 | −0.265 | 63.3 | 36.7 |
| 5. Fainting spells | 0.08 | 0.335 | 0 | 2 | 4.269 | 18.793 | 93.2 | 6.8 |
| 6. Pain or problems during sexual intercourse | 0.21 | 0.521 | 0 | 2 | 2.410 | 4.853 | 83.6 | 16.4 |
| 7. Chest pain | 0.24 | 0.503 | 0 | 2 | 1.985 | 3.173 | 79.1 | 20.9 |
| 8. Shortness of breath | 0.51 | 0.683 | 0 | 2 | 0.975 | −0.279 | 59.3 | 40.7 |
| 9. Feeling heart pounding or racing | 0.67 | 0.765 | 0 | 2 | 0.635 | −1.018 | 50.8 | 49.2 |
| 10. Dizziness | 0.70 | 0.750 | 0 | 2 | 0.555 | −1.030 | 47.5 | 52.5 |
| 11. Feeling tired or having low energy | 1.45 | 0.760 | 0 | 2 | −0.954 | −0.613 | 16.4 | 83.6 |
| 12. Trouble sleeping | 1.29 | 0.827 | 0 | 2 | −0.582 | −1.293 | 23.7 | 76.3 |
| 13. Stomach pain | 0.18 | 0.441 | 0 | 2 | 2.440 | 5.470 | 84.2 | 15.8 |
| 14. Nausea, gas, or indigestion | 0.37 | 0.619 | 0 | 2 | 1.442 | 0.946 | 70.1 | 29.9 |
| 15. Constipation, loose bowels, or diarrhea | 0.50 | 0.716 | 0 | 2 | 1.070 | 0.251 | 62.7 | 37.3 |
M, mean; Min, minimum; Max, maximum; PHQ-15, Patient Health Questionnaire-15; SD, standard deviation.