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Table 2 Comparison of AQ scores by the presence or absence of self-induced vomiting (n = 42)

From: Associations between autism spectrum disorder and eating disorders with and without self-induced vomiting: an empirical study

 

BN,AN-BP Vomiting(+)

AN-R,BED Vomiting(−)

Mann–Whitney

 

n = 31

n = 11

  

Mean (SD)

Mean (SD)

U

r

Illness duration (years)

7.3 (6.2)

3.1 (3.0)

100.5*

0.31

BMI

19.5 (2.6)

19.6 (6.5)

132.5

 

Age (years)

27.3 (6.9)

23.2 (9.5)

111.0

 

EDE-Q

 Diagnosis

75.6 (39.8)

36.5 (38.8)

67.5**

0.46

 Restricting

3.9 (1.7)

3.1 (1.7)

116.0

 

 Eating concern

3.8 (1.5)

2.8 (1.8)

112.0

 

 Weight

4.6 (1.3)

3.7 (1.9)

123.5

 

 Shape

4.7 (1.3)

3.9 (1.8)

140.0

 

 Global Score

4.2 (1.2)

3.4 (1.7)

120.0

 

AQ

 Total score

22.9 (6.1)

28.9 (7.4)

102.5

 

 Social skills

4.8 (2.5)

6.7 (2.9)

89.5*

0.36

 Attention Switching

6.0 (2.0)

6.3 (1.6)

153.0

 

 Attention to detail

3.9 (2.5)

5.6 (2.7)

103.0

 

 Communication

4.0 (2.1)

6.1 (1.7)

71.5**

0.44

 Imagination

4.2 (2.0)

4.2 (1.7)

166.0

 
  1. AN anorexia nervosa (either -R for restricting or -BP for binge eating with self-induced vomiting), AQ Autism Spectrum Quotient, BMI body mass index, BN bulimia nervosa, BED binge eating disorder, EDE-Q Eating Disorder Examination Questionnaire.
  2. **p < 0.01 *p < 0.05
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