Eating Problems and Overlap with ADHD and Autism Spectrum Disorders in a Nationwide Twin Study of 9- and 12-Year-Old Children

Table 1

Prevalence of EAT-P.

Groups	Total study group^a; 𝑛; (boys + girls)	EAT-P; 𝑛; (boys + girls)	% within the group (boys + girls)
ADHD only	903	12	1.33
	(601 + 302)	(8 + 4)	(1.33 + 1.32)
ASD only	89	1	1.12
	(61 + 28)	(1 + 0)	(1.64 + 0.00)
ADHD + ASD	288	16	5.56
	(216 + 72)	(9 + 7)	(4.17 + 9.72)
Comparison (no ADHD, no ASD)	11024	43	0.39
	(5441 + 5583)	(12 + 31)	(0.22 + 0.56)
Study population (boys + girls)	12304^a	72	0.59
	(6319 + 5985)	(30 + 42)	(0.47 + 0.70)

aExcluding 62 individuals for whom items were missing on the response variables yielded 12,304 individuals for prevalence analyses.
EAT-P: eating problems; ADHD: attention deficit hyperactivity disorder; ASD: autism spectrum disorder.