Table 1 Baseline characteristics of participants (N = 790)
Variables | Group 1 (disc herniation) | Group 2 (control group) | P value |
|---|---|---|---|
(n = 396) | (n = 394) | ||
Gender (M/F) | 235/161 | 225/168 | 0.524 |
Age (years) | 41.07 ± 11.34 | 42.1 ± 14.35 | 0.263 |
Range (years) | 18–79 | 18–82 | |
BMI (kg/m2) | 24.21 ± 3.62 | 24.58 ± 3.57 | 0.144 |
Labour intensity | 0.846 | ||
Light (%) | 35.1 | 32.5 | |
Moderate (%) | 18.7 | 25.1 | |
Heavy (%) | 46.2 | 42.4 |