Mediating effect of work engagement between job characteristics and nursing performance among general hospital nurses

Mediating effect of work engagement in the relationship between job characteristics and nursing performance_

Endogenous variables	Exogenous variables	Effects		Total (P)	SMC
		Direct (P)	Indirect (P)
Work engagement	Job characteristics	0.461 (0.009)	–	0.461 (0.009)	0.213
Nursing performance	Work engagement	0.261 (0.035)	–	0.261 (0.035)	0.428
	Job characteristics	0.492 (0.015)	0.121 (0.033)	0.612 (0.026)

Parameter estimates according to the testing steps of the structural models_

Steps	Endogenous variables	Exogenous variables	χ2 (P)	DF	NC	SRMR	TLI	CFI	RMSEA (low-high)	β	C.R.	P-value
1	Nursing performance	Job characteristics	38.43 (0.005)	19	2.02	0.05	0.95	0.97	0.08 (0.04–0.11)	0.62	4.57	0.025
2	Work engagement	Job characteristics	86.18 (<0.001)	42	2.05	0.10	0.94	0.95	0.08 (0.06–0.10)	0.48	3.86	0.012
	Nursing performance	Work engagement								0.50	5.97	0.011
3	Work engagement	Job characteristics	62.73 (0.016)	41	1.53	0.05	0.97	0.98	0.06 (0.03–0.08)	0.46	3.84	0.009
	Nursing performance	Work engagement								0.26	2.88	0.039
		Job characteristics								0.49	3.85	0.012

General characteristics_

Variables	n (%)	Mean (SD)
Age (year)		31.44 (8.33)
≤29	93 (55.0)
30–39	47 (27.8)
≥40	29 (17.2)
Gender
Male	5 (3.0)
Female	164 (97.0)
Spouse
Yes	70 (41.4)
No	99 (58.6)
Education
Associate degree	43 (25.4)
Bachelor's degree	112 (66.3)
Master's degree or more	14 (8.3)
Position
Nurse	133 (78.7)
Charge nurse	16 (9.5)
Head nurse, unit manager	20 (11.8)
Units of clinical practical
Internal ward	57 (35.0)
Surgical or neurology ward	56 (34.3)
Emergency ward	8 (4.9)
Intensive care unit	21 (12.9)
The others	21 (12.9)
Monthly salary (USD)
<3,000	69 (41.1)
≥3,000 to <4,000	80 (47.6)
≥4,000	19 (11.3)
Total career years		9.20 (8.24)
Career years at the current hospital		7.98 (7.43)

Descriptive statistics, Cronbach's α, and correlations for major study variables_

Variables	1r	2r	3r	4r	5r	6r	7r	8r	9r	10r	11r
Job characteristics
Task identity	1
Task significance	0.37**	1
Autonomy	0.30**	0.46**	1
Feedback	0.13	0.35**	0.33**	1
Nursing performance
Work competency	0.40**	0.30**	0.27**	0.34**	1
Work attitude	0.24*	0.37**	0.30**	0.42**	0.73**	1
Willingness to improve work	0.30**	0.28**	0.29**	0.35**	0.69**	0.71**	1
Application of nursing process	0.27**	0.32**	0.21*	0.33**	0.71**	0.68**	0.70**	1
Work engagement
Vigor	0.18*	0.29**	0.22*	0.21*	0.37**	0.39**	0.36**	0.28**	1
Dedication	0.23*	0.29**	0.25*	0.16*	0.37**	0.36**	0.30**	0.34**	0.73**	1
Absorption	0.22*	0.25*	0.30**	0.19*	0.43**	0.42**	0.36**	0.31**	0.70**	0.81**	1
Cronbach's α	0.62	0.83	0.81	0.56	0.92	0.85	0.84	0.86	0.84	0.80	0.88
Mean	2.86	2.52	2.74	2.92	3.08	2.81	2.97	3.78	3.41	3.19	3.65
Standard deviation	0.29	0.36	0.43	0.48	0.52	0.52	0.40	0.52	0.98	1.07	1.01
Skewness	0.08	−0.08	0.08	−0.02	−0.05	0.03	0.15	−0.16	−0.14	0.07	−0.26
Kurtosis	0.68	0.82	0.94	−0.19	−0.04	0.53	1.55	0.81	−0.09	−0.66	0.31