Public insurance included Medicare, Medicaid, State Children's Health Insurance Program, and other public hospital or physician coverage. Public insurance comprised people younger than 65 years who had at least 1 type of public coverage and did not have private coverage; Medicare and private insurance, those 65 years or older who had Medicare and private insurance coverage and did not have Medicare Advantage or any health maintenance organization (HMO) insurance; Medicare Advantage/HMO, those 65 years or older who had Medicare Advantage or any HMO insurance and did not have Medicaid coverage; Medicare and Medicaid, those 65 years or older who had both Medicare and Medicaid coverage; and Medicare only or other, those 65 years or older who had Medicare only or at least 1 other type of public coverage except for Medicaid or no coverage. Error bars indicate 95% CIs.