Table 4. Associations between Work Engagement and Grit.

Coefficients	Work Engagement
	Crude Model 1		Model 2		Model 3		Model 4
	β	p	β	p	β	p	β	p	Adj. R2	ΔR2
1									0.26
(Intercept)	-0.741***	<0.001	-1.292***	<0.001	-1.946***	<0.001	-2.10**	0.001
Grit	1.095***	<0.001	1.06***	<0.001	0.472***	<0.001	0.52**	0.002
2									0.28	0.02
Age			0.01**	0.003	0.010**	0.001	0.01**	0.001
Sex			-0.091	0.130	-0.009	0.876	0.09	0.773
Income			0.028	0.142	-0.001	0.953	-0.001	0.950
Education			0.084**	0.005	0.055*	0.041	0.055*	0.040
3									0.42	0.14
Happiness_Engagement					0.060***	<0.001	0.060***	<0.001
Happiness_Meaning					0.057***	<0.001	0.057***	<0.001
Happiness_Pleasure					-0.051***	<0.001	-0.050***	<0.001
Big 5_Conscientiousness					0.001	0.900	0.001	0.917
Big 5_Extraversion					0.015*	0.013	0.015*	0.013
Big 5_Neuroticism					-0.009	0.105	-0.009	0.110
Big 5_Openness					0.019**	0.003	0.019**	0.004
Big 5_Agreeableness					0.005	0.377	0.006	0.374
Self Control					0.001	0.743	0.001	0.732
4
Grit*Sex							-0.031	0.747

*p < .05.

**p < .01.

***p < .001.