Annals of Emergency Medicine
Volume 45, Issue 1 , Pages 4-12, January 2005

Does lack of a usual source of care or health insurance increase the likelihood of an emergency department visit? Results of a national population-based study

From the Division of Emergency Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA (Weber, Callaham); Institute for Health Policy Studies and Department of Medicine, University of California, San Francisco, San Francisco, CA (Showstack); and the Robert Wood Johnson Foundation, Princeton, NJ (Hunt, Colby)

Received 30 March 2004; received in revised form 15 June 2004; accepted 26 June 2004. published online 25 October 2004.

See editorial, p. 13.

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 Author contributions: EJW, JAS, KAH, DCC, and MLC conceived the study, determined the theoretical model, and interpreted the results. EJW, JAS, and KAH designed the analyses. KAH and JAS provided statistical consultation; KAH programmed the data. EJW drafted the manuscript with contributions from JAS and KAH. All authors contributed substantially to its revision. EJW takes responsibility for the paper as a whole.The interpretations and opinions are those of the authors and may not necessarily reflect those of The Robert Wood Johnson Foundation or the University of California, San Francisco.The authors report this study did not receive any outside funding or support.Reprints not available from the authors.

PII: S0196-0644(04)01168-0

doi:10.1016/j.annemergmed.2004.06.023

Annals of Emergency Medicine
Volume 45, Issue 1 , Pages 4-12, January 2005

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