Table 3

Standardized partial regression coefficients in the third multiple regression model.

Combinations	Independent variables	Dependent variables	Standardized partial regression coefficients
1	Numerical rating scale	Walking ability	-0.25 (p = 0.04)
	Control over pain	Walking ability	0.31 (p = 0.01)
2	Numerical rating scale	Social function	-0.14 (p = 0.26)
	Control over pain	Social function	0.38 (p = 0.00)
3	Numerical rating scale	Walking ability	-0.24 (p = 0.60)
	Increasing activity level	Walking ability	0.07 (p = 0.53)
4	Numerical rating scale	Social function	-0.32 (p = 0.02)
	Increasing activity level	Social function	0.13 (p = 0.33)