Table 3.

Primary outcome—multivariate linear regression model of the cortical excitability measures indexed by the CSP, SICI, and ICR according to groups of eating disorder (n = 59).

(A) Main effects
Dependent Variables	Type III Sum of Squares	df	Mean Square	F	P	Partial Eta Squared
Corrected model
Short intracortical inhibition [(SICI, ratio: SICI/test stimulus)]	10.017a	8	1.25	0.66	0.722	0.10
Cortical Silent period [(CSP, ratio: CSP/test stimulus)]	7,825.86b	8	978.23	2.35	0.031	0.27
Intracortical facilitation [(ICF), ratio: ICF/test stimulus]	15.44c	8	1.93	0.48	0.858	0.07
(B) Beta coefficients
	B	SEM	t	P		95% CI
Primary outcome
Dependent variable: Cortical Silent Period [(CSP), ratio: CSP/test stimulus]
Intercept	111.381	28.590	3.896	<0.001		(53.95 to 168.80)
Obese	17.533	11.948	1.467	0.149		(−6.47 to 41.53)
Healthy controls	−3.306	8.205	−0.403	0.689		(−19.79 to 13.17)
Ex-obese	0reference
Binge Eating Disorder	42.480	13.151	3.230	0.002		(16.06 to 68.90)
Use of psychotropic medication	−8.805	10.412	−0.846	0.402		(−29.71 to 12.10)
Secondary outcome
Dependent variable: Short intracortical inhibition [(SICI), ratio: SICI/test stimulus]
Intercept	−0.360	1.927	−0.187	0.853		(−4.23 to 3.51)
Obese	0.381	0.805	0.474	0.638		(−1.24 to 2.00)
Healthy controls	−0.217	0.553	−0.393	0.696		(−1.33 to 0.89)
Ex obese	0reference
Binge Eating Disorder	−0.001	0.886	−0.002	0.999		(−1.78 to 1.78)
Use of psychotropic medication	−0.810	0.702	−1.155	0.254		(−2.22 to 0.60)
Dependent variable: Intracortical facilitation [(ICF), ratio: ICF/ test stimulus]
Intercept	−0.169	2.783	−0.061	0.952		(−5.76 to 5.42)
Obese	−2.169	1.163	−1.865	0.068		(−4.50 to 0.17)
Healthy controls	−0.409	0.799	−0.512	0.611		(−2.01 to 1.19)
Ex obese	0reference
Binge Eating Disorder	−2.010	1.280	−1.570	0.123		(−4.58 to 0.56)
Use of psychotropic medication	−0.701	1.014	−0.692	0.492		(−2.74 to 1.33)

^aR² = 0.96 (Adjusted R² = −0.049).

^bR² = 0.273 (Adjusted R² = 0.157).

^cR² = 0.073 (Adjusted R² = −0.076).