Table 1.
Sociodemographic, hematological, and health status characteristics of included participants in NHANES 2017–2018.
| Variables | All Participants (n = 1334) |
|---|---|
| Age, years, mean ± SD | 45.19 ± 17.59 |
| Sex, n (%) | |
| Male | 656 (49.18) |
| Female | 678 (50.82) |
| BMI, kg/m2, mean ± SD | 29.42 ± 7.88 |
| Race, n (%) | |
| Mexican American | 206 (15.44%) |
| Other Hispanic | 122 (9.15%) |
| Non-Hispanic White | 449 (33.66%) |
| Non-Hispanic Black | 297 (22.26%) |
| Other race: including multiracial | 260 (19.49%) |
| Smoking status, n (%) | |
| Current smoker | 839 (62.89%) |
| Former smoker | 206 (15.44%) |
| Non-smoker | 289 (21.66%) |
| Drinking, n (%) | 158 (11.84%) |
| Physical activity, n (%) | |
| None | 675 (50.60%) |
| Moderate activity | 299 (22.41%) |
| Vigorous activity | 360 (26.99%) |
| Education level, n (%) | |
| Less than 9th grade | 103 (8.25%) |
| 9–11th grade | 146 (11.70%) |
| High school graduate/GED or equivalent | 281 (22.52%) |
| Some college or AA degree | 406 (32.53%) |
| College graduate or above | 312 (25.00%) |
| Marital status, n (%) | |
| Married/living with partner | 747 (59.76%) |
| Widowed/divorced/separated | 241 (19.28%) |
| Never married | 262 (20.96%) |
| Family PIR, n (%) | |
| <1 | 248 (18.59%) |
| 1–1.99 | 322 (24.14%) |
| 2–3.99 | 296 (22.19%) |
| ≥4 | 289 (21.66%) |
| Missing | 179 (13.42%) |
| Hypertension, n (%) | 334 (25.04%) |
| Diabetes, n (%) | 105 (7.87%) |
| Stroke, n (%) | 32 (2.40%) |
| Coronary artery disease, n (%) | 20 (1.50%) |
| Heart failure, n (%) | 20 (1.50%) |
| Heart attack, n (%) | 237 (13.41%) |
Abbreviations: BMI: body mass index; PIR: poverty income ratio.