Prevalence, incidence, and risk factors associated with hip fractures in community-dwelling older Mexican Americans: results of the Hispanic EPESE study. Establish Population for the Epidemiologic Study for the Elderly

Espino, D.V.; Palmer, R.F.; Miles, T.P.; Mouton, C.P.; Wood, R.C.; Bayne, N.S.; Markides, K.P.

Journal of the American Geriatrics Society 48(10): 1252-1260

2000


ISSN/ISBN: 0002-8614
PMID: 11037012
DOI: 10.1111/j.1532-5415.2000.tb02598.x
Accession: 068737461

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Abstract
To determine the rates and risk factors associated with hip fractures in the community-dwelling older Mexican-American population. A prospective survey of a regional probability sample of older Mexican Americans aged 65 and over. The 1993-1996 Hispanic Established Population for the Epidemiologic Study of the Elderly (H-EPESE), a probability sample of noninstitutionalized Mexican Americans, aged 65 and over, living in the Southwestern states of Texas, New Mexico, Colorado, Arizona, and California. In 1993-1994 and in 1995-1996, 2895 persons, aged 65 and over, considered Mexican American, were selected at baseline as a weighted probability sample. Sample weights were used to extrapolate to the estimated 498,176 older Mexican Americans residing in the Southwest US. Self-reported hip fracture and functional measures by in home interviews. Hip fracture prevalence was 4.0% at baseline. The overall incidence of hip fractures for women was 9.1 fractures/1000 person-years. The incidence rate for men was 4.8 fractures/1000 person-years. Extrapolation from these data to the entire older Mexican American population indicated that approximately 5162 new fractures occurred in the population during the 2 year study period. In women, hip fractures were associated independently with advanced age, not being married/living alone, having had a stroke, limitations with activities of daily living and instrumental activities of daily living. In men, only the latter limitations were associated independently with hip fracture. This study indicates that older Mexican American people may have hip fracture incidence rates that place them at highest risk among the Hispanic subgroups. In light of a sparse literature on this population, the fracture estimates derived from this work contributes to our understanding of the true fracture estimates in this population. Based on the extrapolated population rates, hip fracture in this population is a significant public health problem. Adequate preventive measures need to be implemented in this growing US population.