Medical Expenditure Panel Surveys and lots of other health stats

From the Agency for Healthcare Research & Quality

2010 Emergency Room Visits
Office-Based Medical Provider Visits
2010 Outpatient Visits
Asthma Medication Use among Adults with Reported Treatment for Asthma, United States, 1998-1999 and 2008-2009
Trends in Use and Expenditures for Depression among U.S. Adults Age 18 and Older, Civilian Noninstitutionalized Population, 1999 and 2009
The Uninsured in America, 1996-2011: Estimates for the U.S. Civilian Noninstitutionalized Population under Age 65


From the National Center for Health Statistics

Multiple Chronic Conditions Among Adults Aged 45 and Over: Trends Over the Past 10 Years



From the National Institute on Drug Abuse
Monitoring the Future National Survey Results on Drug Use, 1975-2011 (Volume II): College Students & Adults Ages 19-50

Agency for Healthcare Research & Quality: recent statistics

Coverage in Employer-Sponsored Health Insurance for the Private Sector, 2000 and 2010 [PDF]

Trends in the Pharmaceutical Treatment of Children's Asthma, 1997 - 2008 [PDF]]


Readmissions for Chronic Obstructive Pulmonary Disease, 2008 [PDF]

Also, from the Census Bureau: Health Insurance Coverage of Workers Aged 18 to 64, by Work Experience: 2008 and 2010 [PDF]