TABLE 3.

Polynomial regression results for LMX.

Variables	LMX
	M1	M2	M3
Sex	0.05	0.078	0.055
Age	–0.14	–0.149	−0.138*
Education background	0.14**	0.137**	0.145***
Hotel Age	–0.02	–0.022	–0.015
Hotel Scale	0.22***	0.137	0.139***
LL		−0.090**	−0.068*
TL		0.403***	0.369***
LL2			0.012
LL × TL			0.075*
TL2			−0.074***
R2	0.26	0.60***	0.611***
△R2		0.336***	0.014***
LL = TL
Slope1			0.301***
Curvature1			0.012
LL = −TL
Slope2			−0.437***
Curvature2			−0.137*

LL, loose leadership; TL, tight leadership. ***p < 0.001; **p < 0.01; *p < 0.05.