Table 3.

Passive viewing of angry expressions.

	N		Fixed parameter	SE b	95% CI	95% CI	Random parameter	SE Var
			b		(L)	(U)	Variance
(A) PARAMETER ESTIMATES OF THE FIXED AND RANDOM EFFECTS IN THE ANGER PASSIVE VIEWING CONDITION OF MUSCLES ON THE RIGHT
Trapezius	22	Intercept	1.002	0.005	0.991	1.013	0.0004	0.0001
		Linear	−0.002	0.001	−0.004	−0.0005*	2.619e-6	1.079e-6
		Quadratic	5.070e-5	5.070e-5	0.0001	0.0003***
Forearm	16	Intercept	0.996	0.006	0.984	1.008	0.0004	0.0002
Lower back	24	Intercept	1.001	0.008	0.986	1.016	0.0003	0.0001
		Linear	−0.005	0.003	−0.012	0.001	7.948e-6	2.826e-6
		Quadratic	0.001	0.0004	0.0002	0.002*
		Cubic	−4.55e-5	1.69e-5	−7.873e-5	−1.220e-5***
Calf	17	Intercept	1.014	0.012	0.991	1.038	0.0008	0.0003
		Linear	−0.010	0.005	−0.019	−0.001*
		Quadratic	0.002	0.0006	0.0004	0.003*
		Cubic	−6.022e-5	2.441e-5	−0.0001	−1.215e-5*
(B) PARAMETER ESTIMATES OF THE FIXED AND RANDOM EFFECTS IN THE ANGER PASSIVE VIEWING CONDITION OF MUSCLES ON THE LEFT
Trapezius	22	Intercept	1.005	0.005	0.994	1.016	0.0004	2.916e-5
		Linear	−0.003	0.001	−0.005	−0.001**	3.224e-6	1.296e-6
		Quadratic	0.0002	5.370e-5	0.0001	0.0003***
Forearm	17	Intercept	1.008	0.009	0.991	1.025	0.0002	9.557e-5
		Linear	−0.006	0.004	−0.014	0.002
		Quadratic	0.001	0.0005	3.478e-6	0.002*
		Cubic	−4.620e-5	2.03e-5	−8.609e-5	−6.208e-6*
Lower back	23	Intercept	0.994	0.007	0.980	1.009	0.001	0.0003
		Linear	0.0009	0.0006	−0.0004	0.002	6.629e-6	2.708e-6
Calf	13	Intercept	0.984	0.009	0.966	1.001
		Linear	0.006	0.002	0.001	0.010**	1.669e-5	7.481e-6
		Quadratic	−0.0003	0.0001	−0.0005	−8.501e-5**

Parameter estimates, 95% confidence intervals and significance levels of the best fitting model for each muscle on the (A) right and (B) left in the anger passive viewing condition.

^*p < 0.05;

^**p < 0.01;

^***p < 0.001.