Demographic Variables	2008	2010
	Weighted %	Weighted % (95% CI)
Overall	84.4	82.9 (81.9–83.9)
Race/ethnicity
Non-Hispanic white	85.9	84.5 (83.2–85.7)
Non-Hispanic black	86.2	84.2 (81.9–86.2)
Hispanic	81.1	78.5 (76.1–80.7)
Non-Hispanic Asian	70.7	75.0 (70.6–79.0)
Ratio of family income to federal poverty level
≥400% of federal poverty level	90.9	91.4 (90.1–92.6)
200%–399% of federal poverty level	82.6	82.3 (80.3–84.1)
100%–199% of federal poverty level	74.5	73.5 (70.7–76.0)
<100% of federal poverty level	76.2	70.5 (67.6–73.2)
Health insurance type
Private	88.5	88.8 (87.7–89.7)
Public	83.6	81.2 (78.5–83.7)
Uninsured	67.4	61.8 (59.1–64.5)
Has usual source of care
Yes	88.1	86.5 (85.5–87.4)
No	57.3	60.9 (57.6–64.1)