Table 1 Pre-treatment characteristics of the total study sample, complete, and partial cases
| Pre-treatment characteristics |
Total sample (n = 524) |
Complete cases (n = 457) |
Partial cases (n = 67) |
|---|---|---|---|
| Sociodemographic | |||
| Age, mean (SD) in years | 45.4 (± 9.6) | 45.5 (± 9.6) | 44.5 (± 10.3) |
| Gender, Female n (%), | 303 (57.8) | 270 (59.1) | 33 (49.3) |
| Employment status, Yes n (%) | 356 (67.9) | 317 (69.4) | 39 (58.2) |
| CLBP History | |||
| Duration of LBP, mean (SD) in years | 12.5 (±10.8) | 12.4 (±10.8) | 13.4 (±10.7) |
| Pain medication, Yes n (%) | 454 (86.6) | 397 (86.9) | 57 (85.1) |
| Previous surgery, Yes n (%) | 169 (32.3) | 142 (31.1) | 27 (40.3) |
| Current pain intensity (NPRS), mean (SD) | 60.7 (± 21.1) | 32.5 (± 10.8) | 31.2 (± 12.1) |
| Primary outcome | |||
| Functional status (ODI), mean (SD) | 41.4 (± 14.1) | 41.1 (± 14.1) | 43.9 (± 15.8) |
| Secondary outcomes | |||
| Self-efficacy (PSEQ), mean (SD) | 32.4 (± 10.8) | 32.5 (± 10.8) | 31.2 (± 12.1) |
| Dysfunctional behavioural cognitions | |||
| Catastrophizing (PCS), mean (SD) | 22.9 (± 8.9) | 22.9 (± 8.8) | 24.0 (± 9.5) |
| Fear of movement (TSK), mean (SD) | 39.6 (± 6.4) | 39.6 (± 6.4) | 40.7 (± 6.7) |