Table 2 Eating disorder Inventory-3 (EDI-3) scales and composites scale

Drive for Thinness

42.14 ± 31.57

(F 53.83 ± 1.65; M 24.04 ± 1.66)

p < 0.001

35.48%

(F 35.57%;

M 64.43%)

35.58%

(F 62.05%;

M 37.95%)

19.16%

(F 85.71%;

M 14.29%)

9.85%

(F 98.15%;

M 1.85%)

< 0.001

Bulimia

55.16 ± 32.86

(F 61.14 ± 1.74; M 45.91 ± 2.21)

p < 0.001

19.53%

(F 47.66%;

M 52.34%)

29.01%

(F 51.57%;

M 48.43%)

30.66%

(F 65.48%;

M 34.52%)

20.80%

(F 78.95%;

M 21.05%)

< 0.001

Body Dissatisfaction

42.38 ± 28.87

(F 53.55 ± 1.49; M 25.08 ± 1.49)

p < 0.001

35.22%

(F 35.23%;

M 64.77%)

37.96%

(F 63.46%;

M 36.54%)

16.97%

(F 90.32%;

M 9.68%)

9.85%

(F 90.74%;

M 9.26%)

< 0.001

General psychological scales

.Low Self-Esteem

50.82 ± 28.38

(F 59.23 ± 1.45; M 37.78 ± 1.77

p < 0.001

21.17%

(F 34.48%;

M 65.52%)

41.79%

(F 56.77%;

M 43.23%)

24.82%

(F 77.94%;

M 22.06%)

12.23%

(F 85.07%;

M 14.93%)

< 0.001

Personal Alienation

55.91 ± 31.75

(F 63.06 ± 1.77; M 44.85 ± 1.86)

p < 0.001

20.62%

(F 45.13%;

M 54.87%)

38.32%

(F 53.33%;

M 46.67%)

20.99%

(F 66.09%;

M 33.91%)

20.07%

(F 85.45%;

M 14.55%)

< 0.001

Interpersonal Insecurity

59.28 ± 28.30

(F 63.35 ± 1.56; M 52.79 ± 1.82)

p < 0.001

14.08%

(F 54.55%;

M 45.45%)

37.84%

(F 51.21%;

M 48.79%)

26.14%

(F 63.64%;

M 36.36%)

21.94%

(F 77.50%;

M 22.50%)

< 0.001

Interpersonal Alienation

51.34 ± 29.79

(F 57.24 ± 1.62; M 42.2 ± 1.88)

p < 0.001

22.81%

(F 48.80%;

M 51.20%)

43.07%

(F 54.24%;

M 45.76%)

16.24%

(F 71.91%;

M 28.09%)

17.88%

(F 81.63%;

M 18.37%)

< 0.001

Interoceptive Deficits

62.64 ± 27.57

(F 71.27 ± 1.37; M 49.28 ± 1.76)

p < 0.001

12.41%

(F 33.82%;

M 66.18%)

35.77%

(F 44.90%;

M 55.10%)

23.18%

(F 70.87%;

M 29.13%)

28.65%

(F 84.08%;

M 15.92%)

< 0.001

Emotional Dysregulation

58.43 ± 31.28

(F 66.89 ± 1.58; M 45.32 ± 2.06)

p < 0.001

16.24%

(F 39.33%;

M 60.67%)

35.77%

(F 50.51%;

M 49.49%)

21.17%

(F 63.79%;

M 36.21%)

26.82%

(F 85.03%;

M 14.97%)

< 0.001

Maturity fears

56.06 ± 28.96

(F 62.93 ± 1.54; M 50.04 ± 2.01)

p < 0.001

16.97%

(F 45.16%;

M 54.84%)

37.04%

(F 55.17%;

M 44.83%)

21.17%

(F 70.69%;

M 29.31%)

24.82%

(F 71.32%;

M 28.68%)

< 0.001

Perfectionism

56.06 ± 1.23

(F 60.60 ± 1.58; M 49.03 ± 1.89)

p < 0.001

17.52%

(F 46.88%;

M 53.12%)

39.85%

(F 55.14%;

M 44.86%)

24.09%

(F 66.67%;

M 33.33%)

19.34%

(F 77.36%;

M 22.64%)

< 0.001

Ascetism

58.71 ± 27.49

(F 63.70 ± 1.48; M 50.98 ± 1.93)

p < 0.001

14.68

(F 42.50%;

M 57.50%)

38.69%

(F 57.55%;

M 42.45%)

26.46%

(F 65.52%;

M 34.48%)

20.26%

(F 73.87%;

M 26.13%)

< 0.001

Psychological constructs

Ineffectiveness Composite

54.51 ± 27.35

(F 62.35 ± 1.41; M 42.37 ± 1.72)

p < 0.001

16.42%

(F 34.44%;

M 65.56%)

44.89%

(F 54.47%;

M 45.53%)

21.53%

(F 73.73%;

M 26.27%)

17.15%

(F 86.17%;

M 13.83%)

< 0.001

Eating Disorder risk Composite

46.31 ± 29.02

(F 57.38 ± 1.52; M 29.26 ± 1.49)

p < 0.001

28.57%

(F 33.33%;

M 66.67%)

39.38%

(F 55.35%;

M 44.65%)

20.70%

(F 89.39%;

M 10.62%)

11.36%

(F 95.16%;

M 4.84%)

< 0.001

Interpersonal Problems Composite

64.29 ± 37.50

(F 62.89 ± 1.55; M 49.63 ± 1.84)

p < 0.001

16.27%

(F 48.31%;

M 51.69%)

38.21%

(F 53.11%;

M 46.89%)

22.85%

(F 65.60%;

M 34.40%)

22.67%

(F 77.42%;

M 22.58%)

< 0.001

Affective Problems Composite

64.29 ± 37.50

(F 71.93 ± 1.33; M 52.46 ± 3.37)

p < 0.001

10.58%

(F 29.31%;

M 70.69%)

39.05%

(F 48.13%;

M 51.87%)

21.72%

(F 68.07%;

M 31.93%)

28.65%

(F 84.08%;

M 15.92%)

< 0.001

Overcontrol Composite

61.70 ± 37.00

(F 65.74 ± 1.40; M 55.46 ± 3.35)

p < 0.001

11.31%

(F 48.39%;

M 51.61%)

39.42%

(F 50.46%;

M 49.54%)

29.01%

(F 64.78%;

M 35.22%)

20.26%

(F 81.98%;

M 18.02%)

< 0.001

Global Psychological Maladjustment

62.31 ± 24.68

(F 70.07 ± 1.24; M 50.55 ± 1.57)

p < 0.001

9.06%

(F 30.61%;

M 69.39%)

41.22%

(F 47.98%;

M 52.02%)

28.10%

(F 63.82%;

M 36.18%)

21.63%

(F 91.45%;

M 8.55%)

< 0.001