Table 1.
Characteristics of US Adolescents Aged 12 to 19 Years: NHANES 1999–2004 Cohorts
Characteristic | NHANES
|
|||
---|---|---|---|---|
1999–2000 | 2001–2002 | 2003–2004 | 1999–2004 | |
Participants, n | 2308 | 2417 | 2242 | 6967 |
Mean age (years) | 15.4 | 15.5 | 15.4 | 15.5 |
Gender (%) | ||||
Male | 51.5 | 50.6 | 51.1 | 51.1 |
Female | 48.5 | 49.4 | 48.9 | 48.9 |
Race/ethnicity (%) | ||||
Non-Hispanic whitea | 56.8 | 63.8 | 64.9 | 62.1 |
Non-Hispanic blacka | 14.9 | 13.9 | 15.7 | 14.8 |
Mexican Americana | 13.0 | 9.0 | 11.1 | 10.9 |
Other racesb | 15.3 | 13.3 | 8.3 | 12.2 |
Abbreviation: NHANES, National Health and Nutrition Examination Survey.
Racial/ethnic groups evaluated in this study.
Other races category includes “Other/Multiracial” (5.3% of the NHANES 1999–2004 cohort) and “Other/Hispanic” (6.9% of the NHANES 1999–2004 cohort).