TABLE. Percentage of nonsmokers aged ≥3 years with serum cotinine levels 0.05–10 ng/mL, by selected sociodemographic characteristics — National Health and Nutrition Examination Survey, United States, 2013–2014.
| Characteristic | % (95% CI) |
|---|---|
|
Overall
|
25.2 (21.1–29.8) |
|
Sex
| |
| Male |
27.1 (23.0–31.6) |
| Female |
23.6 (19.0–28.9) |
|
Age group (yrs)
| |
| 3–11 |
37.9 (31.2–45.0) |
| 12–19 |
32.0 (24.9–39.9) |
| ≥20 |
22.0 (18.4–26.1) |
|
Race and Hispanic origin*
| |
| White, non-Hispanic |
21.4 (16.1–27.8) |
| Black, non-Hispanic |
50.3 (44.8–55.8) |
| Mexican American |
20.0 (16.1–24.6) |
|
Poverty status
| |
| Below poverty level† |
47.9 (42.2–53.7) |
| At or above poverty level |
21.2 (17.4–25.7) |
| Unspecified |
23.3 (17.6–30.1) |
|
Education§
| |
| Less than high school diploma |
30.7 (25.4–36.5) |
| High school diploma or equivalent |
28.8 (21.7–37.0) |
| Some college or associate’s degree |
23.5 (19.2–28.5) |
| Bachelor’s degree or higher |
10.8 (8.1–14.3) |
|
Housing
| |
| Own |
19.2 (15.0–24.3) |
| Rent |
38.6 (33.9–43.5) |
| Other arrangement |
35.9 (22.1–52.5) |
|
Living with anyone who smoked inside the home
| |
| Yes |
73.0 (59.2–83.4) |
| No | 22.3 (18.7–26.5) |
Abbreviation: CI = confidence interval.
* Data by race and Hispanic origin were limited to the three racial and Hispanic origin groups available across all survey cycles (non-Hispanic white, non-Hispanic black, and Mexican American).
† Income-to-poverty ratio <1.0.
§ Assessed for persons aged ≥25 years.