Table 1. Somatic Symptoms Caused by Methadone Therapy a.
| Never | Seldom | Sometime | Often | Always | |
|---|---|---|---|---|---|
| Poor Appetite (389) | 315 (81.0) | 28 (7.2) | 32 (8.2) | 13 (3.3) | 1 (0.3) |
| Fatigue (391) | 233 (59.6) | 45 (11.5) | 86 (22.0) | 14 (3.6) | 13 (3.3) |
| Nausea (391) | 336 (85.9) | 27 (6.9) | 22 (5.6) | 4 (1.0) | 2 (0.5) |
| Stomach Pains (390) | 316 (81.0) | 20 (5.1) | 37 (9.5) | 10 (2.6) | 7 (1.8) |
| Difficulty Breathing (391) | 320 (81.8) | 30 (7.7) | 29 (7.4) | 6 (1.5) | 6 (1.5) |
| Chest Pains (391) | 346 (88.5) | 20 (5.1) | 21 (5.4) | 3 (0.8) | 1 (0.3) |
| Joint Bone Pains (390) | 264 (67.7) | 18 (4.6) | 78 (20.0) | 20 (5.1) | 10 (2.6) |
| Muscle Pains (391) | 308 (78.8) | 10 (2.6) | 55 (14.1) | 13 (3.3) | 5 (1.3) |
| Numbness (390) | 260 (66.7) | 30 (7.7) | 82 (21.0) | 15 (3.8) | 3 (0.8) |
| Tremors and shaking (389) | 234 (60.2) | 29 (7.5) | 98 (25.2) | 20 (5.1) | 8 (2.1) |
a Data are presented as No. (%).