TABLE 3.

Significant results for two-way analysis of variance.

Variance	Variable	SS	F	P	η2	Pairwise comparisons
Sex	LowerlipDepressorLeft _mean	0.026	8.716**	0.003	0.036	Males < females
	LowerlipDepressorRight_mean	0.023	8.485**	0.004	0.035	Males < females
	Jaw_open_std	0.004	16.951***	0.000	0.068	Males < females
	LipPucker_std	0.033	15.169***	0.000	0.061	Males < females
	LefteyeClosed_std	0.008	9.426**	0.002	0.039	Males < females
	RighteyeClosed_std	0.006	5.312*	0.022	0.022	Males < females
	LowerlipDepressorLeft_std	0.022	9.956**	0.002	0.041	Males < females
	LowerlipDepressorRight_std	0.018	8.668**	0.004	0.036	Males < females
SES level	LipCornerDepressorLeft_mean	0.030	4.386*	0.037	0.018	LSE > HSE
	LeftcheekPuff_mean	0.199	6.080*	0.014	0.025	LSE < HSE
	RightcheekPuff_mean	0.212	4.945*	0.027	0.021	LSE < HSE
	LipStretcherRight_std	0.005	3.865	0.050	0.016	LSE < HSE
	LeftcheekPuff_std	0.014	6.801*	0.010	0.028	LSE < HSE
Sex × SES level	LipCornerPullerLeft_std	0.016	3.961*	0.048	0.017	LSE:Male < HSE:Male LSE:Female > HSE:Female
	LipCornerPullerRight_std	0.017	4.975*	0.027	0.021	LSE:Male < HSE:Male LSE:Female > HSE:Female
	LowerlipDepressorLeft_std	0.013	5.870*	0.016	0.024	LSE:Male < HSE:Male LSE:Female > HSE:Female

SS, sum of squares; LSE, low trait self-esteem group; HSE, high trait self-esteem group. *P < 0.05; **P < 0.01; ***P < 0.001.