TABLE 2.
Characteristics of eligible participants with 2 d of dietary recall data, NHANES 2003–20181
| Sex | |
| Male | 48.8 (16,611) |
| Female | 51.2 (17,248) |
| Mean (SD) age (y) | 47.8 (17.0) |
| Educational attainment | |
| High school equivalent or lower | 39.0 (15,977) |
| Some college | 31.6 (10,027) |
| College degree or greater | 29.4 (7822) |
| Income | |
| Poverty-to-income ratio <185% | 29.7 (13,593) |
| Poverty-to-income ratio 185%–399% | 29.4 (9413) |
| Poverty-to-income ratio ≥400% | 34.6 (8223) |
| Missing income information | 6.3 (2630) |
| Race/ethnicity | |
| Non-Hispanic White | 68.3 (15,370) |
| Non-Hispanic Black | 11.3 (7253) |
| Hispanic | 13.3 (8115) |
| Asian, Multiracial, and Other Non-Hispanic race/ethnicities | 7.1 (3121) |
| Median (IQR) energy intake (kcal/d) | 1969 (1523–2542) |
| Median (IQR) Planetary Health Diet Index values | 66.0 (57, 75) |
| Inadequate iron intake2 (%) | 4.1 (3.8, 4.3) |
| Inadequate calcium intake2 (%) | 43.5 (42.2, 44.8) |
| Inadequate potassium intake2 (%) | 67.0 (65.7, 68.4) |
| Inadequate fiber intake2 (%) | 92.3 (91.5, 93.1) |
Abbreviation: IQR = Interquartile Range.
1
Values are weighted % (unweighted N) unless otherwise noted. Weighted % accounts for complex survey weights.
2
Results are from the Simulating Intake of Micronutrients for Policy Learning and Engagement macro wrapper of the National Cancer Institute Method for estimating usual intake and were adjusted for age, sex, income, education, race/ethnicity, and total energy intake.