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QuickStats: Percentage of Children Aged 6--17 Years with
Learning Disability (LD) and Attention Deficit Hyperactivity Disorder (ADHD),
by Birthweight* --- National Health Interview Survey, United States,
2004--2006†
* Results are based on responses to the following questions: "What was (sample child)'s birth weight?" "Has a doctor or health professional ever told you
that (sample child) had attention deficit hyperactivity disorder (ADHD) or attention deficit disorder (ADD)?" and "Has a representative from a school or a
health professional ever told you that (sample child) had a learning disability?"
† Estimates are based on household interviews of a sample of the civilian, noninstitutionalized U.S. population and are derived from the National Health
Interview Survey sample child component. Data were combined from 3 years of surveys to increase reliability of estimates.
§ 95% confidence interval.
During 2004--2006, the prevalence of diagnosed LD, both with and without ADHD, was greater among children with
low birthweight than among children without low birthweight. Approximately 8% of children with low birthweight had ever
been diagnosed with LD without ADHD compared with approximately 5% of children without low birthweight. The prevalence
of diagnosed ADHD without LD was not associated with a child's birthweight.
SOURCES: National Health Interview Survey, 2004--2006. Available at
http://www.cdc.gov/nchs/nhis.htm. Pastor
PN, Reuben CA. Diagnosed attention deficit hyperactivity disorder and learning disability: United States, 2004--2006.
National Center for Health Statistics. Vital Health Stat 2008; 10(237). Available at
http://www.cdc.gov/nchs/data/series/sr_10/sr10_237.pdf.
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