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Table 1 Sample descriptives and between-group differences

From: Comparison between the brief seven-item and full eating disorder examination-questionnaire (EDE-Q) in clinical and non-clinical female Norwegian samples

Variable

Sample descriptives

Mean difference

Independent samples Welch t-test

Patients (n = 1954)

Comparisons (n = 2430)

t (df)

p

d (95% CI)

M ± SD

M ± SD

Age

28.17 ± 8.93

31.36 ± 10.42

 − 3.19

 − 10.37 (3778.7)

 < .001

 − 0.32 (− 0.39; − 0.26)

BMI (kg/m2)

21.49 ± 7.20

23.85 ± 4.50

 − 2.36

 − 11.91 (2604.4)

 < .001

 − 0.41 (− 0.47; − 0.35)

EDE-Q global

3.97 ± 1.31

1.25 ± 1.12

2.72

73.00 (3835.9)

 < .001

2.26 (2.48; 2.48)

EDE-Q restraint

3.61 ± 1.65

1.16 ± 1.25

2.45

54.19 (3547.4)

 < .001

1.70 (1.49; 1.96)

EDE-Q eating concern

3.45 ± 1.46

0.51 ± 0.87

2.94

78.20 (3016.3)

 < .001

2.51 (2.76; 2.76)

EDE-Q weight concern

4.14 ± 1.56

1.53 ± 1.41

2.61

57.39 (3963.6)

 < .001

1.77 (1.55; 2.04)

EDE-Q shape concern

4.71 ± 1.40

1.81 ± 1.50

2.90

65.99 (4277.1)

 < .001

1.99 (1.75; 2.30)

EDE-Q7 global

4.61 ± 1.36

1.91 ± 1.51

2.70

61.71 (4210.1)

 < .001

1.88 (1.65; 2.17)

EDE-Q7 dietary restraint

4.30 ± 1.92

1.73 ± 1.81

2.57

45.04 (4027.4)

 < .001

1.38 (1.32; 1.45)

EDE-Q7 shape/weight overvaluation

4.69 ± 1.60

1.69 ± 1.64

3.00

60.73 (4183.6)

 < .001

1.85 (1.63; 2.13)

EDE-Q7 body dissatisfaction

4.82 ± 1.56

2.30 ± 1.82

2.52

49.00 (4309.4)

 < .001

1.47 (1.41; 1.54)

  1. Results considered statistically significant if p < .05
  2. BMI Body mass index, d Cohen’s d, EDE-Q Eating Disorder Examination-Questionnaire, M Mean, SD Standard deviation