American Academy of Pediatrics

TABLE 2

Prevalence of Developmental Disabilities in Children Aged 3 to 17 Years by Age Group, Sex, and Race and Ethnicity

Condition	Total, %	Age Group, %			Sex, %		Race and Ethnicity, %
Condition	Total, %	3–5 y	6–11 y	12–17 y	Boys	Girls	Non-Hispanic White	Non-Hispanic Black	Non-Hispanic Other	Hispanic
Any developmental disability	16.93	10.55	17.35^a	19.73^a^,^b	21.55	12.11^c	18.47	19.02	12.67^d^,^e	13.88^d^,^e^,^f
ADHD	9.04	2.13	9.26^a	12.30^a^,^b	12.44	5.48^c	10.74	9.85^d	6.59^d^,^e	5.66^d^,^e^,^f
ASD	1.74	1.68	1.75	1.75	2.66	0.78^c	1.95	1.54^d	1.77	1.34^d^,^f
Blind or unable to see at all	0.16	0.10	0.19	0.16	0.15	0.17	0.14	0.17	0.14	0.20
CP	0.31	0.28	0.28	0.35	0.40	0.21^c	0.32	0.42	0.32	0.22
Moderate to profound hearing loss	0.63	0.45	0.73^a	0.62	0.69	0.56	0.68	0.63	0.68	0.50
LD	7.74	3.30	8.02^a	9.71^a^,^b	9.56	5.85^c	8.03	9.10^d	5.79^d^,^e	7.07^d^,^e^,^f
ID	1.10	0.63	1.03^a	1.41^a^,^b	1.41	0.78^c	1.05	1.35	0.90	1.14
Seizures, past 12 mo	0.77	1.07	0.68^a	0.71^a	0.81	0.73	0.72	0.91	0.55^e	0.89^f
Stuttered or stammered, past 12 mo	2.02	2.73	2.26^a	1.43^a^,^b	2.75	1.27^c	1.55	3.40^d	1.41^e	2.53^d^,^e^,^f
Other developmental delay	4.38	4.67	4.70	3.92^a^,^b	5.49	3.22^c	4.90	4.44	3.81^d	3.39^d^,^e

Condition	Total, %	Age Group, %			Sex, %		Race and Ethnicity, %
Condition	Total, %	3–5 y	6–11 y	12–17 y	Boys	Girls	Non-Hispanic White	Non-Hispanic Black	Non-Hispanic Other	Hispanic
Any developmental disability	16.93	10.55	17.35^a	19.73^a^,^b	21.55	12.11^c	18.47	19.02	12.67^d^,^e	13.88^d^,^e^,^f
ADHD	9.04	2.13	9.26^a	12.30^a^,^b	12.44	5.48^c	10.74	9.85^d	6.59^d^,^e	5.66^d^,^e^,^f
ASD	1.74	1.68	1.75	1.75	2.66	0.78^c	1.95	1.54^d	1.77	1.34^d^,^f
Blind or unable to see at all	0.16	0.10	0.19	0.16	0.15	0.17	0.14	0.17	0.14	0.20
CP	0.31	0.28	0.28	0.35	0.40	0.21^c	0.32	0.42	0.32	0.22
Moderate to profound hearing loss	0.63	0.45	0.73^a	0.62	0.69	0.56	0.68	0.63	0.68	0.50
LD	7.74	3.30	8.02^a	9.71^a^,^b	9.56	5.85^c	8.03	9.10^d	5.79^d^,^e	7.07^d^,^e^,^f
ID	1.10	0.63	1.03^a	1.41^a^,^b	1.41	0.78^c	1.05	1.35	0.90	1.14
Seizures, past 12 mo	0.77	1.07	0.68^a	0.71^a	0.81	0.73	0.72	0.91	0.55^e	0.89^f
Stuttered or stammered, past 12 mo	2.02	2.73	2.26^a	1.43^a^,^b	2.75	1.27^c	1.55	3.40^d	1.41^e	2.53^d^,^e^,^f
Other developmental delay	4.38	4.67	4.70	3.92^a^,^b	5.49	3.22^c	4.90	4.44	3.81^d	3.39^d^,^e

Significantly different from children ages 3–5 (P < .05).

Significantly different from children ages 6–11 (P < .05).

Significantly different from boys (P < .05).

Significantly different from Non-Hispanic white children (P < .05).

Significantly different from Non-Hispanic black children (P < .05).

Significantly different from Non-Hispanic other children (P < .05).