Table 1.

Independent t-test of demographic information and clinical measurements between obesity and healthy control group

	Obesity n = 37 (Mean ± SD)	Healthy control n = 37 (Mean ± SD)	df	t/χ2	P	Effect size (φ, Cohen’s d)
Demographic information
Gender (Female/ Male)	27/10	28/9	1	0.071	0.790	0.001
Age	29.650 ± 5.345	31.350 ± 10.840	52.527	-0.857	0.395	-0.199
Education years	14.140 ± 2.605	15.220 ± 4.217	72	-1.327	0.190	-0.308
BMI	37.592 ± 6.336	22.156 ± 3.687	57.867	12.808***	< 0.001	2.978
Mood state
Anxiety (BAI)	9.810 ± 8.356	1.950 ± 2.603	68.487	5.466***	< 0.001	1.270
Depression (BDI)	11.300 ± 9.279	6.970 ± 7.369	72	2.220*	0.030	0.517
Childhood Trauma Questionnaire (CTQ)
Emotional abuse	7.110 ± 2.558	6.000 ± 1.795	72	2.157*	0.034	0.502
Physical abuse	5.700 ± 1.648	5.160 ± 0.688	48.175	1.842	0.072	0.428
Sexual abuse	5.220 ± 0.750	5.220 ± 0.712	72	0.000	1.000	0
Emotional neglect	18.650 ± 1.783	18.840 ± 1.708	72	-0.466	0.643	-0.144
Physical neglect	7.950 ± 2.877	8.220 ± 2.849	72	-0.406	0.686	-0.094
Eating disorder Inventory (EDI)
Drive for thinness	1.154 ± 0.587	0.537 ± 0.490	72	4.914***	< 0.001	1.141
Bulimia	0.514 ± 0.533	0.158 ± 0.346	61.806	3.400***	0.001	0.792
Body dissatisfaction	1.955 ± 0.411	1.330 ± 0.488	72	5.953***	0.000	1.385
Ineffectiveness	0.838 ± 0.519	0.722 ± 0.353	72	0.368	0.714	0.261
Perfectionism	0.748 ± 0.595	0.928 ± 0.563	72	-1.337	0.185	-0.311
Interpersonal distrust	1.236 ± 0.657	1.290 ± 0.645	72	-0.367	0.722	-0.083
Interoceptive awareness	0.468 ± 0.324	0.397 ± 0.309	72	0.955	0.343	0.224
Maturity fear	1.497 ± 0.459	1.368 ± 0.453	72	1.212	0.230	0.282
Asceticism	0.470 ± 0.286	0.446 ± 0.348	72	0.319	0.750	0.075
Impulse regulation	0.381 ± 0.384	0.189 ± 0.338	72	2.278*	0.026	0.531
Social insecurity	1.298 ± 0.567	1.318 ± 0.655	65.487	-0.129	0.897	-0.033

BMI Body Mass Index, BDI Beck Depression Inventory, BAI Beck Anxiety Inventory

^*p < 0.05, **p < 0.01, ***p < 0.001