A comparison of hip fracture incidence among native Japanese, Japanese Americans, and American Caucasians

Philip D. Ross, Hiromichi Norimatsu, James W. Davis, Katsuhiko Yano, Richard D. Wasnich, Saeko Fujiwara, Yutaka Hosoda, L. Joseph Melton

Research output: Contribution to journalArticlepeer-review

222 Scopus citations

Abstract

Hip fracture incidence rates among men and women of Japanese ancestry living on Oahu, Hawaii, from 1979 to 1981 were compared with rates for Japanese living on Okinawa, Japan, from 1984 to 1985. Both rates were further compared with those for various American Caucasian populations, including that of Rochester, Minnesota, from 1978 to 1982. Age-specific and cumulative (age 50-84 years) hip fracture rates among persons of Japanese ancestry were approximately half that of Caucasians for both sexes. Although diet and other cultural attributes of the Oahu group have become more westernized than the Okinawan population, there were no detectable differences in hip fracture rates between Oahu and Okinawa Japanese. Additional studies are needed to determine whether the observed differences in fracture rates between Caucasians and Japanese might be related to differences in bone mass, body size, frequency of falls, or other factors. Am J Epidemiol 1991 ;133:801-9.

Original languageEnglish (US)
Pages (from-to)801-809
Number of pages9
JournalAmerican journal of epidemiology
Volume133
Issue number8
DOIs
StatePublished - Apr 15 1991

Keywords

  • Aged
  • Hip fractures
  • Osteoporosis

ASJC Scopus subject areas

  • Epidemiology

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