Demographic Variables	2008	2010
	Weighted %	Weighted % (95% CI)
Overall	52.1	59.1 (57.7–60.4)
Race/ethnicity
Non-Hispanic white	55.0	61.6 (60.1–63.1)
Non-Hispanic black	48.6	55.9 (52.7–59.1)
Hispanic	34.9	47.2 (43.7–50.8)
Non-Hispanic Asian	47.4	47.0 (41.9–52.2)
Insurance type
Private	57.8	65.3 (63.7–66.8)
Public	48.4	57.7 (54.9–60.5)
Uninsured	18.4	19.0 (15.2–23.5)
Ratio of family income to federal poverty limit
≥400% of federal poverty level	60.6	68.9 (66.9–70.8)
200%–399% of federal poverty level	49.5	57.4 (55.0–59.7)
100%–199% of federal poverty level	41.9	47.4 (44.5–50.4)
<100% of federal poverty level	34.5	38.7 (35.3–42.2)
Have a usual source of care
Yes	55.0	62.6 (61.3–63.9)
No	16.9	22.1 (18.0–26.9)