Table 1.
Group descriptors for the entire sample and both groups.
| Variable | Entire Sample (n = 322) | Extremity Source Group (n = 182) | Spinal Source Group (n = 140) | p value |
|---|---|---|---|---|
| Age, mean (SD) | 47 (12) | 47 (13) | 47 (12) | 0.88 |
| Females, number (%) | 233 (72%) | 128 (70%) | 105 (75%) | - |
| Height (m), mean (SD)* | 1.70 (0.10) | 1.70 (0.10) | 1.69 (0.10) | 0.20 |
| Weight (kg), mean (SD)* | 76.13 (16.76) | 76.90 (16.92) | 75.11 (16.56) | 0.36 |
| Body mass index, mean (SD)* | 26.42 (5.24) | 26.49 (5.31) | 26.33 (5.17) | 0.80 |
| Current spinal pain, number (%) | 46 (14%) | 19 (10%) | 27 (19%) | - |
Note: *There was missing weight and body mass index for 20 participants, and missing height values for 13 participants.