*Estimate is statistically different from the previous year shown at p<.05. No statistical tests were conducted for years prior to 1999.
†Estimate is statistically different from the previous year shown at p<.10.
Note: Data on premium increases reflect the cost of health insurance premiums for a family of four. Historical estimates of workers’ earnings have been updated to reflect new industry classifications (NAICS).
Source: Kaiser/HRET Survey of Employer-Sponsored Health Benefits: 1999-2005; KPMG Survey of Employer-Sponsored Health Benefits: 1993, 1996; The Health Insurance Association of America (HIAA): 1988, 1989, 1990; Bureau of Labor Statistics, Consumer Price Index, U.S. City Average of Annual Inflation (April to April), 1988-2005; Bureau of Labor Statistics, Seasonally Adjusted Data from the Current Employment Statistics Survey (April to April), 1988-2005. From Exhibit 1.1, at http://www.kff.org/insurance/7315/sections/ehbs05-1-1.cfm.