Table 1 Demographic characteristics of participating patients, grouped by those with and without self-reported chronic musculoskeletal pain (CMP), (N = 969)
Subject characteristics | Patients with CMP (n = 517) | Patients without CMP (n = 452) | |
|---|---|---|---|
n (%) | n (%) | P-value | |
Gender | 0.36 | ||
Female | 354 (68.5) | 296 (65.7) | |
Male | 163 (31.5) | 156 (34.3) | |
Age (years) mean (SD) | 45.6 ± 10.1 | 42.6 ± 10.2 | ˂0.01 |
21–30 years | 57 (11.3) | 66 (17.8) | |
31–40 years | 88 (17.5) | 101 (23.3) | |
41–50 years | 156 (31.0) | 134 (30.9) | |
≥ 51 years | 202 (40.2) | 121 (27.9) | |
Missing | 14 (2.7) | 17 (3.8) | |
Marital status | 0.13 | ||
Married/cohabitant | 405 (78.6) | 348 (77.5) | |
Single | 74 (14.4) | 77 (17.1) | |
Divorced/Separated/Widowed | 36 (7.0) | 24 (5.2) | |
Missing | 2 (0.4) | 3 (0.7) | |
Education | ˂0.01 | ||
Primary/secondary school | 175 (34.0) | 106 (23.5) | |
University ˂ 4 years | 141 (27.4) | 137 (30.4) | |
University ˃ 4 years | 172 (33.4) | 190 (42.1) | |
Student/other | 27 (5.2) | 18 (4.0) | |
Missing | 2 (0.4) | 1 (0.2) | |
Occupational activitya | |||
None | 28 (5.4) | 15 (3.3) | 0.12 |
Full time work | 358 (69.2) | 348 (77.0) | ˂0.01 |
Part time work | 80 (15.5) | 57 (12.6) | 0.23 |
Under education | 33 (6.4) | 31 (6.9) | 0.80 |
Disability pension | 35 (6.8) | 3 (0.7) | ˂0.01 |
Receiving any form of benefit payments | 369 (71.4) | 309 (68.4) | 0.33 |
Current 100% sick leave | 31 (6.4) | 10 (2.3) | ˂0.01 |
Missing | 31(6.0) | 10 (1.8) | |
Bodily pain duration ≥ 6 months | 420 (81.6) | 58 (12.1) | ˂0.01 |
Missing | 2 (0.4) | 4 (0.9) | |
Bodily pain intensity lasting > 3 months | ˂0.01 | ||
None/very mild | 23 (4.5) | 213 (47.7) | |
Mild | 171 (29.5) | 133 (29.8) | |
Moderate | 217 (42.1) | 83 (18.6) | |
Severe/very severe | 105 (20.3) | 18 (4.0) | |
Missing | 1 (0.2) | 5 (1.1) | |
Number of pain sites b | |||
0–2 | 208 (40.2) | ||
3–5 | 214 (41.4) | ||
6–8 | 73 (14.1) | ||
9–12 | 21 (4.1) | ||
Pain sites | |||
Head/neck/shoulder | 87 (16.8) | ||
Chest/abdomen | 176 (34.0) | ||
Elbow/hand | 16 (3.1) | ||
Upper back | 134 (25.9) | ||
Lower back | 235 (45.5) | ||
Hip/thigh/Knee/ankle/foot | 39 (7.5) | ||
Current pain intensityb | |||
0–2 No to little pain | 238 (46.0) | ||
3–5 Low to moderate | 195 (37.7) | ||
6–8 Severe | 73 (14.1) | ||
9–10 Very severe to worst pain ever experienced | 3 (0.6) | ||