Table 1.
Descriptive Summary of Sample Characteristics by Selected Covariates (n = 6,464), US National Longitudinal Study of Adolescent to Adult Health Wave IV, 2007–2008
| Characteristic | No. | Mean (SE) | Proportion (SE) |
|---|---|---|---|
| Body mass indexa | 6,464 | 29.11 (0.09) | |
| Black race/ethnicity | 1,546 | 0.24 (0.01) | |
| Women | 3,384 | 0.52 (0.01) | |
| Age category, years | |||
| 24–26 | 1,060 | 0.16 (0.01) | |
| 27–29 | 3,335 | 0.52 (0.01) | |
| 30–33 | 2,069 | 0.32 (0.01) | |
| Partnered | 3,842 | 0.59 (0.01) | |
| Personal annual income quintileb, USD | |||
| 0–10,000 | 1,320 | 3,838.07 (100.29) | |
| 10,001–24,000 | 1,328 | 17,758.85 (107.52) | |
| 24,001–34,000 | 1,233 | 28,947.22 (80.11) | |
| 34,001–48,500 | 1,291 | 40,253.85 (110.85) | |
| 48,501–100,000 | 1,292 | 67,166.29 (450.88) | |
| Four-year college degree | 1,989 | 0.31 (0.01) | |
| Homeowner | 2,741 | 0.42 (0.01) | |
| Daily smoker | 1,702 | 0.26 (0.01) | |
| Physically active | 927 | 0.14 (0.00) | |
| Weekly fast-food consumption | |||
| 0 | 1,495 | 0.23 (0.01) | |
| 1–2 | 2,721 | 0.42 (0.01) | |
| 3–4 | 1,198 | 0.19 (0.01) | |
| ≥5 | 1,050 | 0.16 (0.01) | |
| Weekly sugar-sweetened beverageconsumption | |||
| 0 | 865 | 0.13 (0.00) | |
| 1–2 | 657 | 0.11 (0.00) | |
| 3–4 | 604 | 0.09 (0.00) | |
| ≥5 | 4,338 | 0.67 (0.01) |
Abbreviation: SE, standard error.
aCalculated as weight (kg)/height(m)2.
bMeans and SEs represent within-quintile estimates.