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Table 1 Between-groups comparisons of demographic and clinical information for anorexia nervosa and control groups

From: Exploring autistic traits in anorexia: a clinical study

Variable

Anorexia nervosa group n= 66a(mean (standard deviation))

Control group n= 66a(mean (standard deviation))

Test statistic (df)

P

Age

26.35 (8.08)

25.68 (9.74)

t (127) = −0.42

0.67

Years in education

15.08 (2.16)

15.78 (3.57)

t (107) = 1.12

0.27

Body mass index (kg/m2)

14.90 (2.13)

21.78 (2.46)

t (124) = 16.7

0.001*

Age of onset

15.52 (5.37)

-

-

 

Duration of illness

10.59 (6.66)

-

-

 

EDE-Q: global

3.84 (1.57)

1.14 (0.98)

U = 411

0.001*

Z = −8.04

EDE-Q: dietary restraint

3.68 (1.88)

1.08 (1.19)

U = 593

0.001*

Z = −7.24

EDE-Q: eating concern

3.35 (1.61)

0.48 (0.60)

U = 213

0.001*

Z = −8.97

EDE-Q: weight concern

3.90 (1.73)

1.23 (1.24)

U = 518

0.001*

Z = −7.57

EDE-Q: shape concern

4.43 (1.62)

1.79 (1.38)

t (130) = −10.07

0.001*

HADS: anxiety

13.82 (4.58)

5.52 (3.07)

U = 211.5

0.001*

Z = −7.34

 

HADS: depression

10.80 (4.58)

1.99 (2.26)

U = 114

0.001*

Z = −7.98

 

WSAS total score

28.46 (8.53)

0.80 (3.05)

U = 18

0.001*

Z = −10.12

  1. *P < 0.005 (corrected for multiple comparisons); aIn line with statisticians’ recommendations, values are reported for available data where this does not fall below 20% missing. EDE-Q, Eating Disorder Examination Questionnaire; HADS, Hospital Anxiety and Depression Scale; WSAS, Work and Social Adjustment Scale.
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Molecular Autism

ISSN: 2040-2392