Table 2.
Age (mean) | 46.5 (SD = 11.6 years; range: 18–85) |
Male/female | 241 (30.4%)/551 (69.6%) |
Marital status | |
Single | 169 (21.3%) |
Wife/husband or partner | 497 (62.8%) |
Separated or divorced | 112 (14.1%) |
Widowed | 14 (1.8%) |
Employment status | |
Employed/student | 237 (30.0%) |
Unemployed | 472 (59.7% |
Retired/home duties | 82 (10.4%) |
Chronicity (mean number of years) | 11.8 (SD = 9.9 years; range: 1–63) |
Pain for more than 3 years | 707 (89.3%) |
Main area of pain | |
Head or face | 31 (3.9%) |
Neck | 116 (14.6%) |
Shoulders, hands or arms | 73 (9.2% |
Chest or throat | 12 (1.5%) |
Low back or buttocks | 397 (50.1%) |
Hips, legs or feet | 92 (11.6%) |
Abdomen | 27 (3.4%) |
Pelvis | 12 (1.5%) |
Rectum/vagina | 11 (1.4%) |
Widespread (no primary site) | 21 (2.7%) |
How pain began | |
Accident (not at work) | 186 (23.8%) |
Accident at work | 78 (10.0%) |
At work, but not accident | 42 (5.4%) |
Illness | 56 (7.2%) |
Following surgery | 61 (7.8%) |
No precipitating cause | 307 (39.4%) |
Other (e.g. childbirth, assault) | 50 (6.4%) |
Medication at admission | 701 (88.5%) |
Two or more classes | 539 (68.1%) |
Opioids | 501 (63.3%) |
Antidepressants | 407 (51.4%) |
NSAIDs | 380 (48.0%) |
Tranquilizers | 113 (14.3%) |
Other pain medication | 331 (42.2%) |
NSAIDs: non-steroidal anti-inflammatory drugs.
Information on employment status was not available for one patient; information on how pain began was not available for 12 patients; information about medication was not available or not recorded at pre-treatment for nine patients; all percentages were calculated from samples that included only patients for which data were available.