Table 4.

Pearson correlation coefficients between pain and fatigue predictor variables

	Pain movement	Pain change	Fatigue rest	Fatigue movement	Fatigue change
Pain rest	0.505 **	-0.363 **	0.589 **	0.186	-0.312 **
Pain movement		0.621 **	0.512 **	0.450 **	-0.002
Pain change			0.019	0.313 **	0.281 **
Fatigue rest				0.434 **	-0.367 **
Fatigue movement					0.679 **

**p ≤ 0.01 level, *p ≤ 0.05 level