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Prevalence and Incidence of Attention Deficit Hyperactivity Disorder

Prevalance of Attention Deficit Hyperactivity Disorder:

3.3 million children have ADD in USA (NHIS-97); estimated 2 million American children; 3 to 5 percent of all children (NIMH). ... see also overview of Attention Deficit Hyperactivity Disorder.

Prevalance Rate:

approx 1 in 82 or 1.21% or 3.3 million people in USA [Source statistic for calcuation: "3.3 million children have ADD in USA (NHIS-97); estimated 2 million American children; 3 to 5 percent of all children (NIMH)." -- see also general information about data sources]

Prevalance of Attention Deficit Hyperactivity Disorder:

affects 3-5 percent of all American children. (Source: excerpt from NINDS Attention Deficit-Hyperactivity Disorder Information Page: NINDS)

Prevelance of Attention Deficit Hyperactivity Disorder discussion:

Attention Deficit Hyperactivity Disorder (ADHD): NWHIC (Excerpt)

ADHD is the most commonly diagnosed disorder of childhood, estimated to affect 3 to 5 percent of school-age children, and occurring three times more often in boys than in girls. On average, about one child in every classroom in the United States needs help for this disorder. Among poor children, however, the problem is often undiagnosed, partly because of the lack of health care available to them. (Source: excerpt from Attention Deficit Hyperactivity Disorder (ADHD): NWHIC)

Attention Deficit Hyperactivity Disorder (ADHD): NWHIC (Excerpt)

It is estimated that in 1995, doctors treating children and adolescents wrote six million prescriptions for stimulant medications-methylphenidate (RitalinŽ) and dextroamphetamine (DexedrineŽ). Of all the drugs used to treat psychiatric disorders in children, stimulant medications are the most thoroughly studied. (Source: excerpt from Attention Deficit Hyperactivity Disorder (ADHD): NWHIC)

About prevalence and incidence statistics:

The term 'prevalence' of Attention Deficit Hyperactivity Disorder usually refers to the estimated population of people who are managing Attention Deficit Hyperactivity Disorder at any given time. The term 'incidence' of Attention Deficit Hyperactivity Disorder refers to the annual diagnosis rate, or the number of new cases of Attention Deficit Hyperactivity Disorder diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

 

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