AHA Annual Survey of Hospitals
The AHA has collected the Annual Survey of Hospitals since 1946. The AHA surveys all hospitals in the United States and the response rate averages 85–95 percent annually (AHA 1999), resulting in approximately 6,000 hospital observations per year. Staffing is measured as the numbers of full-time and part-time RNs, and LPNs. These staffing data are reported for the entire hospital and include personnel working in ambulatory, long-term care, and ancillary departments.
The AHA computes and reports FTEE for each hospital, defining full-time as working 35 hours or more per week, and part-time as working