Table 1 Demographic characteristics of the patients with neck pain and healthy subjects*
|  | Healthy subject (n = 30) | Patients (n = 33) | P-value for group difference†|
|---|---|---|---|
Gender, no. of females, % | 17 ≈ 57% | 25 ≈ 76% | 0.108 |
Age, years | 34 (14.7) | 54 (15.1) | >0.000 |
Height, cm | 173.7 (9.8) | 171.9 (9.3) | 0.468 |
Body mass, Kg | 70.5 (12.8) | 74.9 (15.9) | 0.232 |
BMI, kg/m2 | 24.6 (3.3) | 23.9 (3.3) | 0.454 |
VAS pain score (0-100 score), mm | 1.0 (3.5) | 49.8 (21.5) | >0.000 |
NDI (0-50 score) | 1.2 (2.8) | 16.0 (8.1) | >0.000 |
Education level | Â | Â | Â |
  Ground school, number, % | 2 ≈ 7% | 10 ≈ 30% |  |
  High school, number, % | 14 ≈ 47% | 12 ≈ 36% |  |
  Undergraduate, number, % | 10 ≈ 33% | 7 ≈ 21% |  |
  Graduate, number, % | 4 ≈ 13% | 3 ≈ 9% |  |
  Doctoral degree, number, % | 0 | 1 ≈ 3% | 0.134 |