The 1993 Robert Wood Johnson Foundation Family Health Insurance Survey was a part of the Foundation's State Initiatives in Health Care Reform program, which provides funding and technical assistance to states developing and undertaking reforms to expand health insurance coverage. RAND and Mathematics Policy Research of Princeton, NJ, collaboratively designed the survey to investigate health insurance coverage, as well as access to and use of health services, in each of ten states. MPR was responsible for the sample design, weighting, and data collection plan and conducted the interviews; RAND cleaned the data prior to distributing analysis files to the participating states and releasing public-use files to the research community. The goal of the data cleaning was to remove some response error and to reduce bias from item nonresponse. For the benefit of other users of the data, this report briefly describes the survey, provides an overview of the objectives in editing the data and imputing for missing or edited values, and describes the specific cleaning procedures used.