ENVISION Research Group
Data Sources

Data Sources

Health Data

States and years of Emergency Department and Inpatient Hospitalization Visits in our database, as well as the sources of the data for each state. Each source has their own process for requesting data, and require data use agreements and IRB approval.

StateYears of DataSource
Arizona2010-2022Arizona Department of Health Services (ADHS)
California2005-2019California Department of Health Care Access and
Information (HCAI)
Georgia2011-2020Georgia Healthcare Association
Maryland2005-2016Health Services Cost Review Commission (HSCRC)
Maryland Department of Health
Missouri2005-2018Missouri Department of Health and Senior Services (DHSS)
Nevada2009-2016Nevada Division of Health Care Financing and Policy
New Jersey2005-2016New Jersey Discharge Data Collection System (NJDDCS)
New York2005-2019Statewide Planning and Research Cooperative System (SPARCS)
New York State Department of Health
North Carolina2007-2017The NC Hospital Discharge Database, Cecil G. Sheps Center
for Health Services Research
Oregon2014-2022Oregon Association of Hospitals & Health Systems via
Apprise Health Insights
Utah2005-2022Utah Healthcare Facility Database,
Utah Health Data Committee/Office of Health Care Statistics,
Utah Department of Health.

Exposure Data

Exposure Databases Used in Our Studies:

  • Daymet
  • EPA Air Quality System (AQS)
  • EPA Chemical Speciation Network (CSN)
  • Global Surface Summary of the Day
  • Community Multiscale Air Quality Modeling System (CMAQ)
  • NOAA Climate Data Online (CDO)