N | Mean | SD/% | |
Age (years) | 74 | 40.4 | ±12.4 |
Sex | 74 | ||
Male | 30 | 40.5% | |
Female | 44 | 59.5% | |
BMI (kg/m2) | 74 | 27.7 | ±5.4 |
Diagnosis area | 74 | ||
Low back | 24 | 32.4% | |
Generalised back | 23 | 31.1% | |
Back and legs | 10 | 13.5% | |
Multiple sites | 17 | 23.0% | |
Educational level | 70 | ||
Primary | 2 | 2.9% | |
Secondary | 40 | 57.1% | |
Higher | 28 | 40.0% | |
Physical work demands | 74 | ||
Sedentary | 18 | 24.3% | |
Light | 32 | 43.2% | |
Medium | 20 | 27.0% | |
Heavy | 4 | 5.4% | |
Pain intensity (VAS; 0–10) | 73 | 4.7 | ±2.2 |
Catastrophising (PCS; 0–52) | 65 | 18.9 | ±10.2 |
Injustice (IEQ; 0–48) | 70 | 16.8 | ±9.7 |
Distress (BSI-GSIT; 0–100) | 65 | 39.7 | ±9.2 |
V̇O2max (l/min) | 74 | 2.0 | ±0.6 |
Male | 30 | 2.4 | ±0.7 |
Female | 44 | 1.8 | ±0.3 |
Lifting capacity (kg) | 72 | 14.4 | ±9.4 |
Male | 30 | 20.1 | ±9.9 |
Female | 42 | 10.2 | ±6.5 |
Work ability (WAS; 0–10) | 73 | 4.6 | ±2.4 |
Pain-related disability (PDI; 0–70) | 72 | 36.7 | ±11.9 |
Physical functioning (RAND-36 PF; 0–100) | 73 | 51.5 | ±19.5 |
BMI, body mass index; BSI, Brief Symptom Inventory; GSIT, Global Severity Index Total Score; IEQ, Injustice Experience Questionnaire; PCS, Pain Catastrophising Scale; PDI, Pain Disability Index; PF, physical functioning; VAS, Visual Analogue Scale; V̇O2max, maximal aerobic capacity; WAS, Work Ability Score.