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Volume 328:246-252 January 28, 1993 Number 4
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Unconventional Medicine in the United States -- Prevalence, Costs, and Patterns of Use
David M. Eisenberg, Ronald C. Kessler, Cindy Foster, Frances E. Norlock, David R. Calkins, and Thomas L. Delbanco

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ABSTRACT

Background Many people use unconventional therapies for health problems, but the extent of this use and the costs are not known. We conducted a national survey to determine the prevalence, costs, and patterns of use of unconventional therapies, such as acupuncture and chiropractic.

Methods We limited the therapies studied to 16 commonly used interventions neither taught widely in U.S. medical schools nor generally available in U.S. hospitals. We completed telephone interviews with 1539 adults (response rate, 67 percent) in a national sample of adults 18 years of age or older in 1990. We asked respondents to report any serious or bothersome medical conditions and details of their use of conventional medical services; we then inquired about their use of unconventional therapy.

Results One in three respondents (34 percent) reported using at least one unconventional therapy in the past year, and a third of these saw providers for unconventional therapy. The latter group had made an average of 19 visits to such providers during the preceding year, with an average charge per visit of $27.60. The frequency of use of unconventional therapy varied somewhat among sociodemographic groups, with the highest use reported by nonblack persons from 25 to 49 years of age who had relatively more education and higher incomes. The majority used unconventional therapy for chronic, as opposed to life-threatening, medical conditions. Among those who used unconventional therapy for serious medical conditions, the vast majority (83 percent) also sought treatment for the same condition from a medical doctor; however, 72 percent of the respondents who used unconventional therapy did not inform their medical doctor that they had done so. Extrapolation to the U.S. population suggests that in 1990 Americans made an estimated 425 million visits to providers of unconventional therapy. This number exceeds the number of visits to all U.S. primary care physicians (388 million). Expenditures associated with use of unconventional therapy in 1990 amounted to approximately $13.7 billion, three quarters of which ($10.3 billion) was paid out of pocket. This figure is comparable to the $12.8 billion spent out of pocket annually for all hospitalizations in the United States.

Conclusions The frequency of use of unconventional therapy in the United States is far higher than previously reported. Medical doctors should ask about their patients' use of unconventional therapy whenever they obtain a medical history.


Source Information

From the Division of General Medicine and Primary Care, Department of Medicine, Beth Israel Hospital and Harvard Medical School, Boston (D.M.E., T.L.D.); the Institute for Social Research, University of Michigan, Ann Arbor (R.C.K., C.F.); the Division of General Medicine, Department of Medicine, New England Deaconess Hospital and Harvard Medical School, Boston (D.R.C.); and Chicago College for Osteopathic Medicine, Chicago (F.E.N.).

Address reprint requests to Dr. Eisenberg at the Division of General Medicine and Primary Care, Beth Israel Hospital, 330 Brookline Ave., Boston, MA 02215.

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Related Letters:

Unconventional Medicine
Amoils S., Korte D., Nelson C. F., Rosner A. L., Friedman R., Zuttermeister P., Benson H., Roter B., Meserole L., Rahlmann J., Santosh S., Stackhouse F. A., Dawson H. R., Stotland N. L., Gellert G. A., Campion T., Eisenberg D., Delbanco T., Kessler R., Campion E. W.
Extract | Full Text  
N Engl J Med 1993; 329:1200-1204, Oct 14, 1993. Correspondence

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