Table 1

Demographic Characteristics of Adults Aged 19 to 64 Years, United States, National Health and Nutrition Examination Survey, 2007–2010

CharacteristicCurrent Medicaid BeneficiariesPotentially Eligible for Medicaid Under ACAaP Value
t Testχ2 Test
Mean age, y (95% CI)38.7 (37.4–40.1)36.3 (35.2–37.4).002
Sex, % (95% CI)<.001
 Male33.3 (30.1–36.6)49.2 (46.0–52.4)
 Female66.7 (63.4–69.9)50.8 (47.6–54.0)
Race/ethnicity, % (95% CI).02
 Non-Hispanic white49.9 (39.8–60.1)58.8 (48.7–68.2)
 Non-Hispanic black25.2 (19.0–32.7)20.0 (15.3–25.6)
 Mexican American9.8 (7.3–13.1)11.7 (6.2–21.0)
 Other15.0 (11.0–20.1)9.6 (6.6–13.8)
Education, % (95% CI).48
 Less than high school graduate35.9 (31.6–40.5)35.3 (29.7–41.5)
 High school graduate or GED28.1 (24.3–32.2)31.4 (28.2–34.7)
 Some college and above36.0 (31.2–41.1)33.3 (28.5–38.4)
  • ACA = Patient Protection and Affordable Care Act; GED = general equivalency diploma.

  • Notes: For current Medicaid beneficiaries, unweighted n = 991 and weighted N = 13.8 million; for newly eligible for Medicaid, unweighted n = 952 and weighted N = 13.6 million. Sum of percentages in each group may not equal 100 because of rounding.

  • a A US citizen with “no insurance” at the time of survey interview and a “poverty-to-income ratio” of 1.38 or less.