Fox News and Reuters December 14th, 1999, reported that US employers were sweetening their health benefit packages in order to keep workers happy in this tight labor market. One of the things that have been added was chiropractic coverage. In 1999, coverage for chiropractic was offered by 78% of employer health plans. This represents a jump of 17% in that year alone. The study was conducted by a New York based consulting firm, William M. Mercer Inc..