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Table 1 Differences in demographic, anthropometric, and clinical variables between AN and HC

From: Overcoming limitations of self-report: an assessment of fear of weight gain in anorexia nervosa and healthy controls using implicit association tests

  

AN

n = 35

HC

n = 29

Test statistic

p-value

Effect size

Demographic and anthropometric characteristics

Age (years)

M (SD)

24.80 (9.23)

23.28 (2.52)

U = 428

.281

r = .14

Relationship status

   

χ2 = 17.70***

< .001

φ = .53

  In a relationship

n (%)

7 (20.0)

21 (72.4)

  Not in a relationship

n (%)

28 (80.0)

8 (27.6)

University entry qualification

  

χ2 = 3.05

.081

φ = .22

  Obtained

n (%)

29 (82.9)

28 (96.6)

  Not obtained

n (%)

6 (17.1)

1 (3.4)

Body mass index

M (SD)

15.87 (2.85)

21.41 (2.19) a

U = 18***

< .001

r = .82

Eating disorder-specific psychopathology

Illness duration (years)

M (SD)

9.03 (5,29) b

Comorbid disorders e

  n with ≥1 comorbidities

n (%)

14 (40.0)

  MDD

n (%)

6 (17.14)

  Social anxiety disorder

n (%)

4 (11.43)

  Specific phobia

n (%)

3 (8.57)

  Panic disorder with agoraphobia

n (%)

1 (2.86)

  PTSD

n (%)

1 (2.86)

  OCD

n (%)

3 (8.57)

  BDD

n (%)

1 (2.86)

EDE subscales

  Restraint

M (SD)

3.17 (1.74)

.19 (.53) d

U = 46***

< .001

r = .79

  Eating concern

M (SD)

2.49 (1.44)

.04 (.12) d

U = 19.5***

< .001

r = .86

  Weight concern

M (SD)

2.45 (1.47)

.49 (.60) d

U = 87***

< .001

r = .73

  Shape concern

M (SD)

3.14 (1.64) c

.52 (.65) d

U = 65***

< .001

r = .69

EDI-2 subscales

  Drive for thinness

M (SD)

31.09 (8.56)

13.34 (6.13)

U = 80***

< .001

r = .72

  Bulimia

M (SD)

14.8 (6.86)

10.62 (3.69)

U = 322*

.012

r = .31

 Body dissatisfaction

M (SD)

38.74 (8,72)

26.21 (10.09)

U = 172.5***

< .001

r = .57

General Psychopathology

BDI-II

Total score

M (SD)

23.60 (10.16)

5.24 (4.93)

t = −9.44***

< .001

d = 2.23

STAI

Trait-Anxiety

M (SD)

56.15 (9.45) c

35.79 (9.51)

t = −8.49***

< .001

d = 2.18

  1. M Mean, SD Standard Deviation, AN Anorexia nervosa, HC Healthy control, MDD Major depressive disorder, PTSD Posttraumatic stress disorder, OCD Obsessive-compulsive disorder, BDD Body dysmorphic disorder, EDE Eating Disorder Examination, EDI-2 Eating Disorder Inventory-2, BDI-II Beck Depression Inventory-II, STAI State-Trait Anxiety Inventory. an = 28. bn = 32. cn = 34. dn = 26. e Multiple entries per person possible.
  2. * p < .05; *** p < .001