Table 5.

Mean (SD) scores on self-reported measures of behavioural inhibitory control and statistical comparisons between groups.

	Means (SD)				Kruskal-Wallis	Post-hoc Mann-Whitney U tests
	HC	AN	BN	BED		HC vs. AN	HC vs. BN	HC vs. BED	AN vs. BN	AN vs. BED	BN vs. BED
BIS-11 Total	60.26 (10.242)	61.85 (9.871)	69.18 (11.702)	67.91 (13.487)	χ2(3) = 9.683, p = 0.021	U = 361.00, z = −0.061, p = 0.952	U = 201.50, z = −2.493, p = 0.013	U = 100.00, z = −1.562, p = 0.118	U = 192.50, z = −2.658, p = 0.008*	U = 103.00, z = −1.466, p = 0.143	U = 132.50, z = −0.172, p = 0.864
BIS-11 Attention	14.70 (4.672)	18.89 (3.856)	19.40 (4.387)	19.27 (4.756)	χ2(3) = 15.079, p = 0.002	U = 181.50, z= −3.175, p=0.001*	U = 157.50, z =−3.307, p=0.001*	U = 72.50, z = −2.455, p = 0.014	U = 322.50, z = −0.276, p = 0.783	U = 143.00, z = −0.178, p = 0.859	U = 130.50, z = −0.241, p = 0.809
BIS-11 Motor	22.00 (3.541)	19.00 (4.674)	23.26 (4.776)	25.27 (5.985)	χ2(3) = 16.141, p = 0.001	U = 205.50, z = −2.764, p = 0.006*	U = 292.50, z = −0.828, p = 0.407	U = 97.00, z = −1.667, p = 0.095	U = 163.00, z = −3.211, p = 0.001*	U = 58.00, z = −2.925, p = 0.003*	U = 108.00, z = −1.018, p = 0.309
BIS-11 Non-planning	12.00 (2.787)	12.89 (3.786)	13.60 (3.416)	12.73 (4.101)	χ2(3) = 3.473, p = 0.324	U = 322.50, z = −0.732, p = 0.464	U = 239.00, z = −1.814, p = 0.070	U = 139.00, z = −0.309, p = 0.757	U = 279.00, z = −1.079, p = 0.281	U = 139.50, z = −0.292, p = 0.770	U = 106.00, z = −1.092, p = 0.275
BIS-BAS BIS subscale	21.70 (3.517)	25.78 (1.672)	24.16 (2.925)	24.45 (3.387)	χ2(3) = 19.059, p < 0.001	U = 120.50, z = −4.258, p < 0.001*	U = 202.00, z = −2.493, p = 0.013	U = 83.00, z = −2.116, p = 0.034	U = 230.50, z = −1.990, p = 0.047	U = 125.00, z = −0.770, p = 0.441	U = 125.00, z = −0.433, p = 0.665

^*p < 0.05 after Bonferroni correction. Uncorrected p-values are presented in the table.