Table 1.
Consent to biospecimen research among 2012 NHANES participants aged 20 years or more by demographic categories.
| Variable | n | % |
|---|---|---|
| Consent | ||
| Yes | 5529 | 99.4 |
| Gender | ||
| Female (reference) | 2820 | 49.28 |
| Male | 2740 | 50.72 |
| Education | ||
| Less than 9th grade | 550 | 9.89 |
| 9–11th grade | 782 | 14.06 |
| High school/GED or equivalent | 1169 | 21.03 |
| Some college or AA degree | 1657 | 29.80 |
| College graduate or above | 1397 | 25.13 |
| Refused | 2 | 0.04 |
| Do not Know | 3 | 0.05 |
| Race | ||
| Mexican-American | 540 | 9.7 |
| Other Hispanics | 578 | 10.4 |
| Non-Hispanic White (reference) | 2041 | 36.7 |
| Non-Hispanic Black | 1455 | 26.2 |
| Non-Hispanic Asian | 749 | 14.3 |
| Multiracial/other race | 152 | 2.7 |
| Age | ||
| 20–39 years | 1957 | 35.2 |
| 40–59 years | 1812 | 32.6 |
| 60+ years (reference) | 1791 | 32.2 |