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Table 43. Percentage distribution of body mass index categories among persons ages 18 to 24, by selected characteristics: 1999 and 2008
 
Characteristic Underweight   Healthy weight   Overweight   Obese  
1999   2008   1999   2008   1999   2008   1999   2008  
Total 4.4   4.5   58.0   52.8   24.2   26.4   13.4   16.3  
                                 
Sex                                
Male 2.2   3.6   56.1   49.9   28.2   30.2   13.5   16.3  
Female 6.6   5.4   60.0   55.6   20.2   22.5   13.2   16.4  
                                 
Age                                
18–21 4.8   4.7   61.6   56.1   21.8   22.6   11.8   16.5  
22–24 3.9   4.2   53.5   48.4   27.3   31.3   15.4   16.1  
                                 
Race/ethnicity                                
White 4.5   4.8   58.5   56.4   24.3   25.9   12.7   12.9  
Black 4.0 ! 3.6 ! 54.7   48.7   24.0   23.6   17.3   24.0  
Hispanic 3.1   3.7 ! 54.8   41.6   28.8   32.9   13.3   21.7  
Asian 8.7 ! 9.8 ! 76.2   60.9   6.1 ! 20.8   9.0 !  
American Indian/Alaska Native                
Two or more races                
Other races1     65.3   48.2   19.1 ! 25.6 !   26.2 !
                                 
Educational attainment                                
Less than high school diploma 4.6   3.9 ! 55.5   50.6   24.5   25.0   15.5   20.5  
High school completion only2 4.7   3.9   57.2   50.6   21.7   27.0   16.3   18.5  
Some college 4.2   4.5   59.3   54.7   26.4   25.9   10.1   15.0  
Associate's degree 4.4 !   56.4   55.2   27.5   25.9   11.7   15.2  
Bachelor's or higher degree 3.4 !   63.5   55.5   22.1   29.1   11.0   7.6  
Poverty status3                                
Poor 4.5   4.1   57.0   52.8   25.3   29.2   13.2   13.9  
Near-poor 3.1 ! 3.0 ! 58.3   48.1   23.7   26.6   14.9   22.3  
Nonpoor 4.9   5.5   57.4   53.3   23.5   25.3   14.1   15.9  
! 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 Includes Pacific Islanders.
2 Includes equivalency certification.
3 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.
NOTE: The National Health Interview Survey asked young adults ages 18 to 24 to report their height and weight. Body mass indices (BMI) were calculated from these self-reports and respondents were sorted into categories of underweight, healthy weight, overweight, and obese.
Race categories exclude persons of Hispanic ethnicity.
SOURCE: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, National Health Interview Survey, 1999 and 2008.

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