Consent to Specimen Storage and Continuing Studies by Race and Ethnicity: A Large Dataset Analysis Using the 2011-2012 National Health and Nutrition Examination Survey

Table 1

Consent to biospecimen research among 2012 NHANES participants aged 20 years or more by demographic categories.

Variable		%
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