Table 2.

Mediation analysis results: PC as a mediator of the relationship between pain intensity and depression.

Path	Coefficient	SE	95% CI	p-value
Total effect (c)	1.289	0.267	(0.763, 1.814)	<.0001*
Direct effect (c’)	0.340	0.258	(−0.168, 0.849)	0.1887
Indirect effect (a × b)	0.948	0.166	(0.652, 1.288)	<.0001*
Path a (NRS → PCS)	2.344	0.313	(1.727, 2.961)	<.0001*
Path b (PCS → Depression)	0.404	0.046	(0.315, 0.494)	<.0001*

* p-value < 0.05.