Hormone replacement therapy: Use in the Michigan Medicaid population during the 1980s

Thomas P. Gross, Steven C. Kaufman, Rita Schinnar, Carlene Baum, Brian L. Strom

Research output: Contribution to journalArticlepeer-review


Claims data from files of the Michigan Medicaid Information System were used to examine the use of hormone replacement therapy (HRT) among female Michigan Medicaid recipients during the 1980s and to compare this use to national estimates derived from the National Prescription Audit and the National Disease and Therapeutic Index. By 1989, 1 in 15 female Medicaid recipients aged 40 years and older, and nearly twice as many aged 50-59, were on HRT. Throughout the decade, unopposed estrogen therapy was most prevalent in whites and in those 40-59 years old, with usage decreasing with age. Combination therapy with progestins accounted for 28% of HRT by 1989, with several-fold increases in use noted in certain age groups and in both whites and blacks. Similarly, national data showed substantial increased numbers of prescriptions dispensed for noncontraceptive estrogens and progestins during the 1980s.

Original languageEnglish (US)
Pages (from-to)7-20
Number of pages14
JournalJournal of Pharmacoepidemiology
Issue number2
StatePublished - 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Pharmacology, Toxicology and Pharmaceutics(all)
  • Pharmacology (medical)


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