Table 3.

Mediating effect of employee engagement in the relationship between supportive supervisor behavior and EHB

Variables	EHB Model 1β(t)	EHB Model 2β(t)	IE Model 3β(t)	EHB Model 4β(t)	EHB Model 5β(t)	SE Model 6β(t)	EHB Model 7β(t)	EHB Model 8β(t)	AE Model 9β(t)	EHB Model 10β(t)	EHB Model 11β(t)
Constant	2.536*** (6.767)	1.639** (3.270)	2.837*** (4.961)	1.984*** (4.985)	1.342** (2.626)	3.136*** (5.552)	2.532*** (6.230)	1.778*** (3.436)	3.578*** (8.713)	2.331*** (5.173)	1.798*** (3.324)
Gender	0.066 (0.665)	0.122 (1.249)	0.331** (2.967)	0.025 (0.251)	0.088 (0.892)	0.210 (1.904)	0.066 (0.661)	0.131 (1.339)	− 0.175* (-2.186)	0.076 (0.766)	0.114 (1.163)
Age	0.445** (2.898)	0.489** (3.271)	− 0.309 (-1.810)	0.498*** (3.277)	0.521*** (3.496)	− 0.407* (-2.418)	0.445** (2.877)	0.471** (3.131)	− 0.380** (-3.098)	0.464** (2.988)	0.472** (3.125)
LS	0.009 (0.141)	0.039 (0.652)	0.081 (1.176)	0.001 (0.024)	0.031 (0.514)	− 0.138* (-2.029)	0.009 (0.143)	0.033 (0.548)	0.085 (1.706)	0.006 (0.101)	0.043 (0.711)
SMB		0.228*** (4.373)	0.246*** (4.120)		0.203*** (3.835)	0.194*** (3.288)		0.237*** (4.486)	0.235*** (5.489)		0.239*** (4.429)
IE SE AE				0.149*** (3.732)	0.104** (2.582)		0.021* (1.972)	0.044* (1.978)		0.046* (1.971)	0.044* (1.964)
R2	0.019	0.076	0.081	0.047	0.089	0.070	0.019	0.078	0.128	0.020	0.077
ΔR2	0.019	0.057	0.058	0.029	0.070	0.041	0.000	0.059	0.085	0.001	0.058
F	2.968**	7.565***	8.135***	5.771***	7.492***	6.956***	2.222	6.500***	13.620***	2.393*	6.401***

Notes: (t) = t-values, β = Unstandardized beta coefficient; ***p < 0.001, **p < 0.01, * p < 0.05; IE = Intellectual Engagement; SE = Social Engagement; AE = Affective Engagement; SMB = Supportive Supervisor Behavior; POO = Perceived Organizational Obstruction; EHB = Hospitality Employees’ Helping Behavior; LS = Length of Service