Does health insurance affect health care utilization and health?
D000367:Age Factors; D000368:Aged; D015438:Health Behavior; D006296:Health Services / Q000706:statistics & numerical data*; D006297:Health Services Accessibility; D006801:Humans; D019458:Insurance Coverage / Q000706:statistics & numerical data; D007348:Insurance, Health / Q000706:statistics & numerical data; D017057:Medically Uninsured; D006278:Medicare; D017063:Outcome Assessment, Health Care; D012959:Socioeconomic Factors; D014481:United States