Table 1. Characteristics of Participants 12-19 Years Old: Comparing those Included and Excluded from Lipid Analyses, NHANES 1999-2012.
| Participant Characteristics | Included in All Lipids Analyses (n = 1,822)a | Excluded from Lipids Analyses (n = 9,728) | P Value |
|---|---|---|---|
| Age, mean ± SE | 15.52 ± 0.05 | 15.47 ± 0.02 | .46 |
| Sex | .29 | ||
| Male | 928 (52.5) | 4,974 (51.1) | |
| Female | 894 (47.5) | 4,754 (48.9) | |
| Race/Ethnicity | .01 | ||
| White | 487 (62.8) | 2,556 (59.4) | |
| Black | 497 (13.5) | 2,964 (14.7) | |
| Hispanic | 762 (16.5) | 3,632 (19.2) | |
| Other Race | 76 (7.2) | 576 (6.8) | |
| Annual Household Income Level | <.001 | ||
| < $20,000/y | 448 (20.0) | 2,369 (18.2) | |
| $20,000-$44,999/y | 540 (27.6) | 3,119 (28.3) | |
| $45,000-$74,999/y | 329 (25.2) | 1,721 (21.1) | |
| > $75,000/y | 301 (27.2) | 1,927 (32.5) | |
| Dietary Intake, mean ± SE | |||
| Grams | 2,226.59 ± 27.75 | 2,565.38 ± 14.19 | <.001 |
| Energy (kcal) | 2,430.79 ± 26.64 | 2,261.94 ± 11.30 | <.001 |
| Total fat (gm) | 87.49 ± 1.15 | 83.75 ± 0.50 | <.001 |
| Total Saturated Fatty Acids (gm) | 30.78 ± 0.44 | 28.81 ± 0.18 | <.001 |
| Total Monounsaturated Fatty Acids (gm) | 33.51 ± 0.46 | 30.69 ± 0.19 | <.001 |
| Total Poly unsaturated Fatty Acids (gm) | 16.57 ± 0.26 | 17.28 ± 0.12 | .01 |
| Sodium (mg) | 3,549.06 ± 45.43 | 3,579.77 ± 20.80 | .54 |
| Alcohol (gm) | 3.56 ± 0.47 | 2.27 ± 0.19 | .01 |
| Physical Activity Level | <.001 | ||
| None/light | 1,792 (100.0) | 8,197 (79.1) | |
| Moderate | 0 (0.0) | 829 (14.6) | |
| Vigorous | 0 (0.0) | 329 (6.3) | |
| Total Cholesterol, mean ± SE | 161.62 ± 0.71 | 160.18 ± 0.31 | .06 |
| TSEb | <.001 | ||
| Unexposed | 663 (37.0) | 3,908 (42.4) | |
| Passively Exposed | 846 (41.7) | 4,258 (40.3) | |
| Actively Exposed | 313 (21.4) | 1,562 (17.3) |
Abbreviation: SE, standard error; TSE, tobacco smoke exposure; kcal, kilocalories; gm, grams; mg, milligrams.
a
Data are presented as weighted mean ± weighted SE or raw n (weighted %).
b
Unexposed is defined as serum cotinine < 0.05 ng/mL; passively exposed is defined as serum cotinine 0.05-2.99 ng/mL; and actively exposed is defined as serum cotinine ≥ 3 ng/mL.