Table 4.

Results of hierarchical multiple regression for hypotheses testing.

Emotional Exhaustion
Variable	Model 1	Model 2	Model 3
Control Variables
Age	−0.05 *	−0.06 **	−0.06 **
School level	−0.08 **	−0.10 **	−0.10 **
School type	−0.10 **	−0.03 *	−0.03 *
Predictors
CS		30 **	0.32 **
HS		0.52 **	0.50 **
SL		−0.11 **	−0.12 **
CS × SL			−0.04 *
HS × SL			0.07 **
R 2	0.01 **	0.62 **	0.62 **
F	12.69 **	718.71 **	544.81 **

Note: CS denotes challenge stress; HS represents hindrance stress; SL indicates servant leadership; EE is emotional exhaustion; ** p < 0.01; * p < 0.05.