Table 1 Description of the study population
Total population | CMD | Back/neck pain | Differences between groups | |
|---|---|---|---|---|
N = 965 | N = 556 | N = 409 | ||
Diagnostic groups, n (%) | ||||
Back/neck pain | 409 (42) | - | - | |
CMD | 556 (58) | - | - | |
Sex, n (%) | p = 0.001a | |||
Women | 752 (78) | 413 (74) | 339 (93) | |
Men | 213 (22) | 143 (26) | 70 (17) | |
Education, n (%) | p = 0.017a | |||
University | 298 (31) | 191 (34) | 107 (26) | |
High school | 539 (57) | 302 (55) | 237 (59) | |
Preschool | 119 (12) | 60 (11) | 59 (15) | |
Age, mean (sd) | 41.02 (11.5) | 38.52 (11.8) | 44.40 (10.2) | p < 0.001b |
HRQL, m (sd), Range 0-1 | 0.55 (0.28) | 0.63 (0.25) | 0.45 (0.34) | p < 0.001b |
General health, n (%) | p < 0.001a | |||
Excellent | 4 (0) | 2 (0) | 2 (0) | |
Very good | 64 (7) | 54 (10) | 10 (3) | |
Good | 215 (22) | 165 (30) | 50 (12) | |
Somewhat good | 450 (47) | 246 (44) | 204 (50) | |
Poor | 229 (24) | 86 (16) | 143 (35) | |
Work ability, mean (sd), Range 0-10 | 4.49 (2.7) | 5.19 (2.7) | 3.54 (2.5) | p < 0.001b |
Worked the previous 6 months, n (%) | p < 0.001a | |||
Yes | 692 (72) | 434 (79) | 258 (63) | |
No | 267 (28) | 118 (21) | 149 (37) | |
Production loss, n (%) | p < 0.001a | |||
Yes | 619 (92) | 372 (88) | 247 (97) | |
No | 57 (8) | 50 (12) | 7 (3) | |
Production loss, mean (sd), Range 0-10 | 5.26 (3.05) | 4.62 (3.10) | 6.34 (2.65) | p < 0.001b |