Table 1 Characteristics of Adolescents Aged 12 – 17 in NHSDA and U.S. Population (Census 2000)
| Â | U.S. Population | NHSDA Unweighted | NHSDA Weighted |
|---|---|---|---|
Age | 12 – 17 | 12 – 17 | 12 – 17 |
   N | 24,179,360 | 19,430 | 23,367,782 |
Sex | Â | Â | Â |
   Male (%) | 51.4 | 50.7 | 51.2 |
   Female (%) | 48.6 | 49.3 | 48.8 |
Race/Ethnicity | Â | Â | Â |
   White (%) | 63.4 | 66.7 | 65.5 |
   Black (%) | 14.4 | 13.5 | 14.3 |
   Hispanic (%) | 15.2 | 13.9 | 14.2 |
   Other (%) | 7.0 | 5.9 | 6.0 |
Region | Â | Â | Â |
   Northeast (%) | 18.0 | 19.3 | 17.9 |
   Midwest (%) | 23.5 | 25.6 | 23.4 |
   South (%) | 35.4 | 32.2 | 35.6 |
   West (%) | 23.1 | 22.9 | 23.0 |
Population Density | Â | Â | Â |
   MSA (pop≥1 m) | 43.5 | 39.0 | 43.6 |
   MSA (pop < 1 m) | 35.7 | 34.6 | 33.4 |
   Not in MSA | 20.8 | 26.4 | 23.1 |