The mediating role of psychological capital on the association between occupational stress and depressive symptoms among Chinese physicians: a cross-sectional study

Table 3 Regression analysis results, with depressive symptoms as outcome and psychological capital as mediator

Predictors	Path coefficients				a*b (BCa 95% CI)	R²
Predictors	c	a	b	c’	a*b (BCa 95% CI)	R²
Males
ERR	0.439**	−0.053	−0.290**	0.423**	0.015 (−0.028, 0.052)	0.284
Overcommitment	0.102*	0.093	−0.323**	0.132**	−0.030 (−0.071, 0.006)	0.125
Females
ERR	0.430**	−0.301**	−0.272**	0.348**	0.082 (0.049, 0.126)	0.251
Overcommitment	0.177**	−0.116**	−0.368**	0.134**	0.043 (0.005, 0.083)	0.161

ERR: effort/reward ratio
c: associations of ERR and overcommitment with depressive symptoms; a: associations of ERR and overcommitment with PsyCap; b: association between PsyCap and depressive symptoms after controlling for the predictor variables; c’: associations of ERR and overcommitment with depressive symptoms after adding PsyCap as mediator; a*b: the product of a and b; BCa 95% CI: the bias-corrected and accelerated 95% confidence interval
Age, martial status, and education are covariates
*p < 0.05, **p < 0.01

ISSN: 1471-2458