Table 1.

Demographic Characteristics by Epilepsy among Children with Autism Spectrum Disorder

	No Epilepsy (n=2,506) N (%)	Epilepsy (n=139) N (%)	p value
Gender			0.15
Male	2181 (95.0)	115 (5.0)
Female	325 (93.1)	24 (6.9)
Age			<.01*
4–6 years	886 (96.1)	36 (3.9)
7–9 years	754 (95.7)	34 (4.3)
10–12 years	467 (94.3)	28 (5.7)
13–15 years	269 (90.0)	30 (10.0)
16–18 years	130 (92.2)	11 (7.8)
Race			0.57
White	1962 (94.6)	113 (5.5)
African-American	95 (93.1)	7 (6.9)
Asian	109 (98.2)	2 (1.8)
More than one Race	200 (95.7)	9 (4.3)
Other	120 (93.3)	8 (6.7)
Ethnicity			0.48
Hispanic	282 (95.6)	13 (4.4)
Non-Hispanic	2220 (94.6)	126 (5.4)
Intellectual Disability			<.01*
No	1776 (96.6)	62 (3.4)
Yes	725 (90.4)	77 (9.6)

^*p ≤ 0.05.

Intellectual disability defined as full scale IQ score of less than or equal to 70.