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Table 4 Pairwise Mann–Whitney U Tests AN-R across binge-/purging ED and median scores across ED groups

From: Symptoms of Attention Deficit Hyperactivity Disorder (ADHD) among adult eating disorder patients

  

Median score

U

Z

p

r

AN-R

ASRSTS

7

    

AN-BP (vs. AN-R)

ASRSTS

11

910

−2.34

0.019

0.23

BN (vs. AN-R)

ASRSTS

12

8942

−4.98

0.000*

0.23

EDNOS-BP (vs. AN-R)

ASRSTS

10

7922

−3.80

0.000*

0.19

BED (vs. AN-R)

ASRSTS

10

2187

−3.17

0.002*

0.25

AN-R

ITS

5

    

AN-BP (vs. AN-R)

ITS

7

855

−2.72

0.007*

0.26

BN (vs. AN-R)

ITS

8

8480

−5.41

0.000*

0.24

EDNOS-BP (vs. AN-R)

ITS

6

7982

−3.73

0.000*

0.19

BED (vs. AN-R)

ITS

7

1930

−4.07

0.000*

0.32

AN-R

HTS

3

    

AN-BP (vs. AN-R)

HTS

5

1033

−1.53

0.127

0.15

BN (vs. AN-R)

HTS

4

11801

−2.34

0.019

0.11

EDNOS-BP (vs. AN-R)

HTS

4

8995

−2.57

0.010*

0.13

BED (vs. AN-R)

HTS

3

2959

−0.47

0.635

0.04

AN-R

CPRS-dep

9.5

    

AN-BP (vs. AN-R)

CPRS-dep

11.5

955

−2.03

0.042

0.06

BN (vs. AN-R)

CPRS-dep

11.0

11901

−2.23

0.026

0.07

EDNOS-BP (vs. AN-R)

CPRS-dep

10.0

9947

−1.44

0.150

0.04

BED (vs. AN-R)

CPRS-dep

10.0

2763

−1.16

0.248

0.04

  1. * = sign. (when applying a Bonferroni adjustment of 0.05/4 = 0.013 to the alpha values)
  2. ASRSTS (The World Health Organization adult ADHD self-report scale trait score; range 0–24), ITS (Inattention trait score; range 0–16), HTS (Hyperactivity trait score; range 0–8), CPRS-dep (Comprehensive Psychiatric rating scale for depression; range 0–27). AN-R (Anorexia Nervosa restricting subtype), AN-BP (Anorexia Nervosa bingeing/purging subtype), EDNOS-BP (Eating Disorder not otherwise specified bingeing/purging subtype), BN (Bulimia Nervosa purging and non-purging subtype), BED (Binge Eating Disorder = EDNOS 6)