TABLE 1.
Sociodemographic characteristics for US adults aged >18 y, NHANES 2015–2018
| Characteristic | 2015–2018 |
|---|---|
| Participants, n | 10,001 |
| % men | 48.5 |
| Age group, % | |
| 19–29 y | 17.7 |
| 30–59 y | 47.4 |
| ≥60 y | 35.0 |
| BMI,1 % | |
| Underweight | 1.5 |
| Normal weight | 25.2 |
| Overweight | 31.9 |
| Obese | 41.4 |
| Race/ethnicity, % | |
| Mexican American | 15.5 |
| Other Hispanic | 11.3 |
| Non-Hispanic white | 34.7 |
| Non-Hispanic black | 22.4 |
| Other race | 16.1 |
| Household income, % | |
| <185% federal poverty level | 45.5 |
| 185–350% federal poverty level | 25.4 |
| >350% federal poverty level | 29.1 |
| Head of household education, % | |
| Less than high school diploma | 20.9 |
| High school diploma | 23.7 |
| More than high school diploma | 55.4 |
1
BMI categories were defined as underweight (<18.5), normal weight (18.5 to <25.0), overweight (25.0 to <30.0), and obese (≥30.0).