Table 3.

Group differences for ARFID and the EDY-Q mean score (N = 1,444)

	EDY-Q diagnostic items for ARFID		EDY-Q mean score
	%	χ2 (df = 1)	M	SD	U Test
Sex
Boys	1.3	0.44	1.27	0.82	256,834.5
Girls	1.9		1.27	0.83
Age
7–10 years	1.5	0.56	1.35	0.86	225,054.5**
11–13 years	1.7		1.22	0.79
BMI		(df = 2)	M	SD	H Test
Underweight	1.7	61.48**	1.55	0.89	33.07**
Normal weight	1.5		1.20	0.80
Overweight	0.0		1.51	0.83

ARFID Avoidant/Restrictive Food Intake Disorder, EDY-Q Eating Disturbances in Youth-Questionnaire, χ² Chi square test, U Mann–Whitney test, H Kruskal–Wallis test, M mean value, SD standard deviation, BMI body mass index; underweight, <10th BMI percentile; normal weight, 10th–90th BMI percentile; overweight, >90th BMI percentile

** p < 0.01