APPENDIX C: Correlation of MRI findings with years of work and daily dental work hours, after adjustment for age, gender and BMI, showing no significant correlations.
Years of Work
Working Hours on the Chair
Posterior osteophytes
R
0.007
-0.035
P
0.967
0.833
Herniation
R
0.036
0.071
P
0.826
0.667
Degenerative spinal canal stenosis and spinal cord compression