Appendix B.
Comparison of characteristics of participants in the National Longitudinal Study of Adolescent to Adult Health at Wave III who were included versus excludeda
| Included | Excluded | p | |
|---|---|---|---|
| N=14,322 | 12,082 | 2,240 | |
| Mean ± SD / % | Mean ± SD / % | ||
| Age (years) | 21.96 ± 1.76 | 22.17 ± 1.80 | <0.001b |
| Biological sex | <0.001c | ||
| Female | 44.2% | 54.4% | |
| Male | 55.8% | 45.6% | |
| Race/Ethnicity | <0.001c | ||
| White (non-Hispanic) | 56.4% | 47.2% | |
| Black/African American (non-Hispanic) | 20.4% | 21.6% | |
| Hispanic/Latino | 15.7% | 19.1% | |
| Asian/Pacific Islander (non-Hispanic) | 6.2% | 10.3% | |
| American Indian/Native American | 0.6% | 0.9% | |
| Other | 0.7% | 0.9% | |
| Parent highest educational attainment | <0.001c | ||
| Less than high school | 14.7% | 17.3% | |
| High school graduate | 27.8% | 27.1% | |
| Some college | 22.2% | 22.1% | |
| College graduate | 35.3% | 33.6% | |
| Household income (thousands of U.S. dollars) | 46.95 ± 45.96 | 43.39 ± 36.52 | <0.001b |
| Body mass index (kg/m2) | 26.60 ± 6.37 | 25.99 ± 6.05 | <0.001b |
SD = standard deviation
a
Excluded due to loss-to follow-up or missing data, national sample weighting not incorporated into these analyses
b
Independent samples T-test
c
Pearson’s chi square test