Table 1: Characteristics (% or mean+-SD) of participants with nutrition data1.
| Characteristics2 |
Male
(n = 323,358) |
Female
(n = 28,730) |
Total3
(n = 353,418) |
| Year of enrollment (n=353,418) | |||
| 2011–2012 | 2.1 | 1.6 | 2.1 |
| 2013 | 31.2 | 28.6 | 31.0 |
| 2014 | 14.4 | 14.4 | 14.4 |
| 2015 | 11.8 | 12.3 | 11.8 |
| 2016 | 10.9 | 11.3 | 10.9 |
| 2017 | 9.7 | 11.0 | 9.8 |
| 2018 | 9.0 | 9.9 | 9.1 |
| 2019 | 3.7 | 4.0 | 3.7 |
| 2020–2021 | 7.3 | 6.9 | 7.3 |
| Age (years, mean ± SD) | 66.7 ± 11.4 | 54.8 ± 13.0 | 65.7 ± 12.1 |
| Age category (n = 353,418) | |||
| 50 | 7.5 | 30.4 | 9.4 |
| 50–59 | 13.0 | 32.9 | 14.6 |
| 60–69 | 40.4 | 26.0 | 39.2 |
| 70–79 | 26.8 | 7.6 | 25.2 |
| ≥80 | 12.4 | 3.1 | 11.6 |
| Spanish, Hispanic or Latino (n = 348,023) | 5.9 | 7.5 | 6.0 |
| Race (n = 353,418) | |||
| White | 85.8 | 76.1 | 85.0 |
| Black | 9.6 | 18.2 | 10.3 |
| Asian | 3.1 | 4.4 | 3.2 |
| Others | 1.5 | 1.4 | 1.4 |
| Education (n = 312,336) | |||
| ≤ High school or GED | 24.7 | 8.7 | 23.4 |
| Some college | 30.0 | 26.4 | 29.7 |
| College or above | 45.3 | 64.9 | 46.9 |
| Annual family income (n = 282,878) | |||
| 30,000 | 32.4 | 33.2 | 32.5 |
| 30,000–59,000 | 36.1 | 33.3 | 35.8 |
| ≥60,000 | 31.5 | 33.5 | 31.7 |
Abbreviation: GED: General Educational Development.
1Unless otherwise indicated, data are expressed as distribution proportions (column percentages).
2N: sample without missing data for the individual characteristic; “Unknown or missing” is not counted in the distribution proportion.
31300 participants did not report gender information.