Table 3.

Regression models predicting headache reduction after CBT (n=19)

	Unstandardized B	Coefficients Std. Error	Standardized Coefficient Beta	t	P value
A. Dependent variable: absolute headache reduction
Model 1
Constant	−2.223	0.712		−3.122	0.006
Parameter estimate right amygdala	28.877	4.486	0.842	−6.437	0.000
Model 2
Constant	−6.082	1.041		−5.845	<0.001
CPM at the trapezius	0.63	0.26	0.512	2.457	0.025
Model 3
Constant	−2.480	0.984		−2.519	0.023
Parameter estimate right amygdala	27.678	5.540	0.807	−4.996	<0.001
CPM at the trapezius	0.008	0.020	0.063	0.389	0.703
B. Dependent variable: percent headache reduction
Model 1
Constant	24.830	5.784		4.293	<0.001
Parameter estimate right amygdala	116.765	36.440	0.614	3.204	0.005
Model 2
Constant	41.565	5.965		6.968	<0.001
CPM at the trapezius	0.317	0.148	0.461	−2.142	0.047
Model 3
Constant	28.755	7.900		3.640	0.002
Parameter estimate right amygdala	98.432	44.451	0.517	2.214	0.042
CPM at the trapezius	0.119	0.160	0.173	−0.741	0.469