Table 4 Mean comparisons on all assessed measures Across (A) sexes in the overall sample, (B) sexes in the Young Adult Sample, and (C) age groups

A.

Mean Comparisons Across Sexes in the Overall Sample

Females: M (SD)

Males: M (SD)

t

M difference (SE)

95% CI of difference

p

Cohen’s d

EDE-QS-12^*

8.52 (6.89)

5.44 (5.74)

-7.57

-3.08 (0.41)

[-3.88, -2.28]

< 0.001

− 0.48

EDE-QS-5^*

5.50 (4.13)

3.18 (3.31)

-9.69

-2.32 (0.24)

[-2.79, -1.85]

< 0.001

− 0.62

SCOFF-5^*

1.10 (1.18)

0.65 (0.98)

-6.38

-0.44 (0.07)

[-0.58, -0.31]

< 0.001

− 0.41

SCOFF-3^*

0.78 (0.91)

0.38 (0.68)

-7.72

-0.40 (0.05)

[-0.50, -0.30]

< 0.001

− 0.49

EDDS-Z^*

0.14 (0.66)

-0.16 (0.54)

-7.75

-0.30 (0.04)

[-0.37, -0.22]

< 0.001

− 0.50

EDDS^*

21.61 (15.02)

13.09 (12.01)

-9.79

-8.53 (0.87)

[-10.23, -6.82]

< 0.001

− 0.62

BDDQ^*

0.27 (0.44)

0.10 (0.30)

-6.96

-0.17 (0.02)

[-0.22, -0.12]

< 0.001

− 0.44

DCQ-7^*

6.16 (4.70)

4.71 (4.05)

-5.14

-1.45 (0.28)

[-2.00, -0.89]

< 0.001

− 0.33

DCQ-3^*

3.35 (2.36)

2.47 (2.08)

-6.12

-0.87 (0.14)

[-1.15, -0.59]

< 0.001

− 0.39

WBIS-11^*

41.73 (17.95)

31.78 (15.32)

-9.29

-9.95 (1.07)

[-12.05, -7.85]

< 0.001

− 0.59

WBIS-3^*

11.48 (5.65)

8.13 (4.95)

-9.84

-3.35 (0.34)

[-4.02, -2.68]

< 0.001

− 0.63

B.

Mean Comparisons Across Sexes in the Young Adult Subsample

Females: M (SD)

Males: M (SD)

t

M difference (SE)

95% CI of difference

p

Cohen’s d

EDE-QS-12^*

10.44 (7.58)

6.42 (6.54)

-5.51

-4.02 (0.73)

[-5.46, -2.59]

< 0.001

− 0.57

EDE-QS-5^*

6.53 (4.34)

3.53 (3.74)

-7.17

-3.00 (0.42)

[-3.82, --2.17]

< 0.001

− 0.74

SCOFF-5^*

1.40 (1.23)

0.79 (1.12)

-5.02

-0.61 (0.12)

[-0.85, -0.37]

< 0.001

− 0.52

SCOFF-3^*

0.96 (0.95)

0.47 (0.75)

-5.49

-0.49 (0.09)

[-0.66, -0.31]

< 0.001

− 0.57

EDDS-Z^*

0.29 (0.68)

-0.06 (0.59)

-5.45

-0.36 (0.07)

[-0.48, -0.23]

< 0.001

− 0.56

EDDS^*

25.64 (15.70)

14.86 (13.19)

-7.21

-10.78 (1.50)

[-13.72, -7.84]

< 0.001

− 0.74

BDDQ^*

0.41 (0.49)

0.17 (0.38)

-5.32

-0.24 (0.05)

[-0.33, -0.15]

< 0.001

− 0.55

DCQ-7^*

8.11 (5.05)

5.93 (4.50)

-4.41

-2.18 (0.49)

[-3.15, -1.20]

< 0.001

− 0.45

DCQ-3^*

4.23 (2.48)

3.07 (2.25)

-4.75

-1.16 (0.24)

[-1.64, -0.68]

< 0.001

− 0.49

WBIS-11

44.95 (18.11)

32.35 (16.16)

-7.10

-12.59 (1.77)

[-16.08, -9.11]

< 0.001

− 0.73

WBIS-3

12.68 (5.67)

8.55 (5.28)

-7.30

-4.13 (0.57)

[-5.25, -3.02]

< 0.001

− 0.75

C.

Mean Comparisons Across Younger (Ages 18–39) and Older Adults (Ages 40+)

YA: M (SD)

OA: M (SD)

t

M difference (SE)

95% CI of difference

p

Cohen’s d

EDE-QS-12^*

8.47 (7.36)

6.17 (5.83)

5.11

2.29 (0.45)

[1.41, 3.17]

< 0.001

0.36

EDE-QS-5^*

5.06 (4.32)

3.97 (3.61)

4.05

1.08 (0.27)

[0.56, 1.61]

< 0.001

0.28

SCOFF-5^*

1.10 (1.22)

0.75 (1.03)

4.69

0.35 (0.08)

[0.21, 0.50]

< 0.001

0.32

SCOFF-3^*

0.72 (0.89)

0.50 (0.78)

3.85

0.22 (0.06)

[0.11, 0.33]

< 0.001

0.26

EDDS-Z^*

0.12 (0.66)

-0.08 (0.58)

4.83

0.20 (0.04)

[0.12, 0.28]

< 0.001

0.33

EDDS^*

20.35 (15.48)

15.80 (13.23)

4.71

4.55 (0.97)

[2.66, 6.45]

< 0.001

0.32

BDDQ^*

0.29 (0.45)

0.12 (0.33)

6.21

0.17 (0.03)

[0.11, 0.22]

< 0.001

0.44

DCQ-7^*

7.04 (4.91)

4.49 (3.84)

8.55

2.55 (0.30)

[1.96, 3.14]

< 0.001

0.60

DCQ-3^*

3.66 (2.44)

2.48 (2.04)

7.81

1.18 (0.15)

[0.88, 1.48]

< 0.001

0.54

WBIS-11

38.77 (18.28)

35.90 (16.85)

2.50

2.87 (1.15)

[0.62, 5.13]

0.01

0.17

WBIS-3^*

10.65 (5.85)

9.40 (5.35)

3.35

1.24 (0.37)

[0.53, 1.97]

0.001

0.23