Table 5.

Results of Tukey’s test for each pain scale between intervals.

Covariates	NPRS	WOMAC	Pain	Stiffness	Functionality	QOLS
Age	0.149	0.863	0.932	0.321	0.849	0.439
Gender	0.659	0.330	0.781	0.252	0.303	0.762
BMI	0.300	0.262	0.276	0.709	0.340	0.319

For p-values > 0.05, there is no difference in changes among age, BMI, or gender.