Table 3.

Sibling comparison of neurodevelopmental disorders in individuals diagnosed with feeding and eating disorder (n = 3,347).

	Individuals with FED		Siblings without FED		Adjusted for birth year and sex HR (95% CI)	Adjusted# HR (95% CI)
	No. diagnosed	Incidence rate*	No. diagnosed	Incidence rate*
Neurodevelopmental disorders
Behavioral/emotional disorders	113	8.29	109	5.44	1.55 (1.19–2.02)	1.63 (1.24–2.13)
Attention-deficit/hyperactivity disorder	41	2.90	57	2.80	1.13 (0.76–1.69)	1.17 (0.78–1.77)
Autism spectrum disorder	53	3.75	36	1.76	2.22 (1.45–3.36)	2.20 (1.43–3.38)
Intellectual disability	43	3.06	19	0.93	3.29 (1.96–5.50)	3.76 (2.20–6.42)

FED, feeding and eating disorders; No., number; HR, hazard ratio; CI, confidence interval;

^*incident rate per 1,000 person-years;

^#adjusted for parity, parental age, maternal education, maternal origin, maternal cohabitation at birth, maternal smoking status during early pregnancy, parental history of psychiatric disorders before childbirth, and pregnancy complications including diabetes and pre-eclampsia.