Table 2.
A comparison of unweighted and weighted demographic characteristics of the youth sample to the national population in 2006
| Demographic characteristics | Wave 1 (unweighted) (n = 1581) | Wave 1 (weighted) (n = 1581) | U.S. General Population (Bureau of Labor Statistics & Bureau of the Census, 2006; U. S. Census Bureau, 2008) | Wave 4/5 Respondents (weighted) (n = 1058) |
|---|---|---|---|---|
| Age in years M (SE) | 12.5 (0.04) | 12.6 (0.06) | - | 12.5 (0.07) |
| Sex | ||||
| Male youth | 50% | 51% | 51% | 53% |
| Female youth | 50% | 49% | 49% | 47% |
| Race | ||||
| White | 73% | 71% | 76% | 72% |
| Black or African American | 14% | 14% | 16% | 14% |
| Mixed racial background | 7% | 9% | 3% | 9% |
| All other | 6% | 6% | 5% | 5% |
| Hispanic ethnicity | 13% | 17% | 19% | 16% |
| Household income | ||||
| $24,999 or less | 12% | 12% | 22% | 12% |
| $25K–34,999 | 13% | 12% | 11% | 12% |
| $35K–49,999 | 18% | 18% | 16% | 17% |
| $50K–74,999 | 27% | 23% | 20% | 24% |
| $75K–99,999 | 15% | 17% | 13% | 16% |
| $100K+ | 16% | 18% | 18% | 18% |
Wave4 and Wave5 data were collected online in 2011 and 2012, respectively. Five youth are excluded from the Wave1 sample because they were non-responsive to more than 20% of the survey items