Associations of Occupational Stressors, Perceived Organizational Support, and Psychological Capital with Work Engagement among Chinese Female Nurses

Table 5

Mediating roles of PsyCap and its components.

Independent variables	Mediators	Vigor	Dedication	Absorption
		(BCa 95% CI)	(BCa 95% CI)	(BCa 95% CI)
Extrinsic effort	Optimism	(, )	(, )	—
Reward	Optimism	0.009 (0.002, 0.021)	0.009 (0.002, 0.022)	—
POS	PsyCap	0.196 (0.159, 0.234)	0.199 (0.165, 0.238)	0.130 (0.097, 0.164)
	Hope	0.100 (0.058, 0.144)	0.106 (0.062, 0.151)	0.089 (0.044, 0.136)
	Optimism	0.051 (0.021, 0.084)	0.054 (0.011, 0.088)	—

POS: perceived organizational support; PsyCap: psychological capital; BCa 95% CI: bias-corrected and accelerated 95% confidence interval.
Age, marital status, and education were adjusted.