Table 2.

Effect of baseline characteristics on Total WOMAC score using multiple linear regressions analysis.

Variables	Standardized regression coefficient β	P value
Gender (female)	−0.019	0.817
Age	0.185	0.026 [Sig.]
BMI	0.109	0.194
Smoking (not smoker)	0.067	0.425
Education Level (increase)	−0.203	0.015 [Sig.]
Disease Duration	0.008	0.920
Kellgren-Lawrence scale (increase)	0.319	<0.001 [Sig.]