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Table 46. Percentage of children ages 12 to 17 ever having been diagnosed with a learning disability or Attention Deficit Hyperactivity Disorder, by selected characteristics: Selected years, 1999 through 2008
 
Characteristic Learning disability1   Attention Deficit Hyperactivity Disorder (ADHD)2  
1999   2002   2005   2008   1999   2002   2005   2008  
Total 9.6   10.5   9.2   9.4   7.7   9.6   8.9   11.0  
                                 
Sex                                
Male 13.0   13.8   11.0   11.4   11.4   13.6   12.5   16.6  
Female 6.0   7.1   7.4   7.3   3.8   5.3   5.1   5.3  
                                 
Age                                
12–14 years 10.3   10.5   9.1   8.3   8.8   9.6   8.4   9.6  
15–17 years 8.9   10.6   9.3   10.3   6.6   9.5   9.4   12.3  
                                 
Race/ethnicity                                
White 10.4   11.0   9.3   11.2   9.4   10.9   10.4   13.8  
Black 10.3   12.6   10.8   9.1   5.0   10.9   8.4   11.4  
Hispanic 6.4   7.0   8.2   5.9   4.0   4.2   6.1   4.1  
Asian                
American Indian/Alaska Native                
Two or more races                
Other races3   23.3   14.4 ! 9.0 !   12.5 ! 6.2 ! 10.3 !
                                 
Parent's education4                                
Less than high school diploma 7.2   10.3   5.8   4.6 ! 7.0   6.4   3.5 ! 1.2 !
High school completion only 9.4   12.1   10.6   10.8   7.7   10.2   9.3   10.9  
Some college or higher 8.3   8.4   8.2   8.0   7.2   8.0   8.2   10.9  
                                 
Poverty status5                                
Poor 13.0   16.6   15.1   15.8   10.3   12.7   8.1   12.3  
Near-poor 12.3   11.8   9.9   9.7   7.3   10.7   11.1   9.7  
Nonpoor 9.0   9.9   7.9   8.0   8.8   9.8   8.9   11.5  
                                 
Health insurance coverage6                                
Private 8.4   9.0   7.6   7.3   7.3   9.0   8.6   10.1  
Medicaid/other public 18.5   16.3   15.1   16.8   10.3   12.7   11.3   14.5  
Other     8.6 ! 8.9 ! 6.7 ! 10.9 ! 7.7 ! 18.4 !
Uninsured 8.1   10.9   8.5   4.2   7.3   7.3   6.2   7.4  
                                 
Current health status7                                
Excellent/very good 7.6   8.6   8.0   7.4   6.9   8.2   8.3   9.2  
Good 15.3   16.1   12.1   16.9   10.0   14.3   9.5   18.4  
Fair/poor 43.2   41.2   29.5   29.9   20.6   28.6   23.8   25.7  
! Interpret data with caution. The coefficient of variation (CV) for this estimate is 30 percent or greater.
‡ Reporting standards not met. Either there are too few cases or the coefficient of variation (CV) is 50 percent or greater.
1 "Learning disability" is based on the question "Has a representative from a school or a health professional ever told you that [child's name] had a learning disability?"
2 "Attention Deficit Hyperactivity Disorder" is based on the question "Has a doctor or health professional ever told you that [child's name] had Attention Deficit Hyperactivity Disorder (ADHD) or Attention Deficit Disorder (ADD)?"
3 Includes Pacific Islanders.
4 Parent's education is the education level of the parent with the higher level of education. "High school completion only" includes equivalency certification.
5 Children in families whose incomes are below the poverty threshold are classified as  poor; those in families with incomes at 100–199 percent of the poverty threshold are classified as  near-poor, and those in families with incomes at 200 percent or more of the poverty threshold are classified as nonpoor. Detail may not sum to totals because of missing values for poverty.
6 Classification of health insurance coverage is based on a hierarchy of mutually exclusive categories. Persons with more than one type of health insurance were assigned to the first appropriate category in the hierarchy. "Private" includes persons who had any type of private coverage, either alone or in combination with other coverage. "Uninsured" includes persons who had no coverage as well as those who had only Indian Health Service coverage or had only a private plan that paid for one type of service, such as accidents or dental care.
7 Data based on respondent self-response to survey question on general health status.
NOTE: Race categories exclude persons of Hispanic ethnicity.
SOURCE: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention (CDC), National Center for Health Statistics, National Health Interview Survey, selected years, 1999–2008.

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