Table 2.
Characteristics of NHANES participants, 2003–2004 (all values are unweighted).
| Test Dataset | Validation Dataset | |
|---|---|---|
| Characteristic | N (%) | |
| Total | 672 (100) | 673 (100) |
| Sex | ||
| Male | 310 (46.1) | 337 (50.1) |
| Female | 362 (53.9) | 336 (49.9) |
| Race/ethnicity | ||
| Non-Hispanic White | 267 (39.7) | 291 (43.2) |
| Non-Hispanic Black | 181 (26.9) | 176 (26.2) |
| Mexican-American | 172 (25.6) | 158 (23.5) |
| Other Hispanic | 18 (2.68) | 22 (3.27) |
| Other/Mixed/Missing | 34 (5.06) | 26 (3.86) |
| Age (years) | ||
| 12–19 | 316 (47.0) | 296 (44.0) |
| 20–39 | 93 (13.8) | 101 (15.0) |
| 40–64 | 123 (18.3) | 146 (21.7) |
| ≥65 | 140 (20.8) | 130 (19.3) |
| BMI (kg/m2) | ||
| <18.5 | 47 (6.99) | 49 (7.28) |
| 18.5–24.9 | 271 (40.3) | 265 (39.4) |
| 25.0–29.9 | 190 (28.3) | 173 (25.7) |
| ≥30.0 | 164 (24.4) | 189 (27.6) |
| Family PIR | ||
| < 2 | 339 (50.5) | 365 (54.2) |
| ≥ 2 | 333 (49.6) | 308 (45.8) |
| Mean (SD)Median (25th, 75th percentiles) | ||
| ALT (IU/L) | 20.35 (9.19) 18 (15, 23) |
21.04 (10.23) 18 (15, 24) |