Table 2.

The results of confirmatory factor analysis.

Model	Factors	${\chi }^2$	df	${\chi }^2/df$	CFI	GFI	TLI	RMSEA
One-factor model	ECNT + JE + RESE + EWB	5480.72	527	10.40	0.45	0.54	0.41	0.14
Two-factor model 1	ECNT + JE + RESE, EWB	4764.71	526	9.06	053	0.61	0.50	0.13
Two-factor model 2	ECNT, JE + RESE + EWB	4827.59	526	9.18	0.52	0.56	0.49	0.13
Three-factor model 1	ECNT, JE + RESE, EWB	3007.76	524	5.74	0.61	0.64	0.58	0.11
Three-factor model 2	ECNT + JE, RESE, EWB	2363.24	524	4.51	0.76	0.79	0.75	0.09
Three-factor model 3	ECNT, JE, RESE + EWB	2075.04	524	3.96	0.83	0.85	0.83	0.08
Three-factor model 4	ECNT + RESE, JE, EWB	1828.76	524	3.49	0.87	0.88	0.87	0.08
Four-factor model	ECNT, JE, RESE, EWB	1495.27	521	2.87	0.90	0.93	0.90	0.07

ECNT, electronic communication during nonwork time; JE, job engagement; RESE, regulatory emotional self-efficacy; EWB, employee withdrawal behavior.