Assessing population risk for postmenopausal osteoporosis: A new strategy using data from the Behavioral Risk Factor Surveillance System (BRFSS)

Christine R. Schneyer, Helio Lopez, Mary Concannon, Marc C. Hochberg

Research output: Contribution to journalArticle

Abstract

Osteoporosis public health measures are hindered by the inability to easily identify subclinical disease. We have now estimated state-specific osteoporosis prevalences using a simple formula (OST Index) to analyze age and weight of 62,882 older women; the prevalences determined are similar to those based on BMD. This new method has potential use for guiding implementation of osteoporosis prevention/treatment programs. Introduction: Although osteoporosis-related fractures are a major U.S. public health issue, population-based prevention programs have not yet been developed. One contributing factor has been lack of a suitable screening test to detect asymptomatic high-risk individuals. Materials and Methods: We estimated state-specific prevalences of postmenopausal osteoporosis using the Osteoporosis Self-Assessment Tool Index (OST Index; [self-reported weight in kg - age] x 0.2) to analyze data from 62,882 women ≥50 yr of age who participated in the 2002 Behavioral Risk Factor Surveillance System (BRFSS). The OST Index, designed to assess an individual's risk of disease, has previously been shown to have modest positive and high negative predictive value for osteoporosis defined by BMD criteria. Based on this index, women from each state were distributed among high-, moderate-, and low-risk OST categories. Calculated percentages for each category were weighted to U.S. Census Bureau population projections for 2002. By adjusting results to reflect previously validated percentages of women with osteoporosis in each risk category, we estimated the prevalence of postmenopausal osteoporosis in each state. Results: Our calculated weighted prevalence estimates agreed closely with those of the National Osteoporosis Foundation derived from actual femoral neck BMD measurements obtained in the third National Health and Nutrition Examination Survey (1988-1994) and projected to U.S. census state population predictions for 2002. Comparison of unweighted BRFSS-OST results and NHANES BMD data revealed similar percentages of osteoporosis among all women ≥50 yr of age (BRFSS, 18.5%; NHANES, 18.0%; p = 0.47) and also among white women (BRFSS, 19.0%; NHANES, 20.0%; p = 0.28). However, the percentages of osteoporosis among blacks and Hispanics did not correspond, at least partly because of the lack of race-specific reference standards for BMD measurements and OST index ranges. Conclusions: Analysis of readily available BRFSS data with the OST index formula is a simple, no-cost technique that provides state prevalence estimates of postmenopausal osteoporosis that could be used to guide allocation of resources to statewide osteoporosis prevention programs.

Original languageEnglish (US)
Pages (from-to)151-158
Number of pages8
JournalJournal of Bone and Mineral Research
Volume23
Issue number1
DOIs
StatePublished - Jan 2008

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Behavioral Risk Factor Surveillance System
Postmenopausal Osteoporosis
Osteoporosis
Population
Nutrition Surveys
Censuses
Public Health
Weights and Measures
Resource Allocation
Femur Neck
Hispanic Americans

Keywords

  • Epidemiology
  • Health services and economics
  • Menopause
  • Osteoporosis
  • Population studies

ASJC Scopus subject areas

  • Surgery

Cite this

Assessing population risk for postmenopausal osteoporosis : A new strategy using data from the Behavioral Risk Factor Surveillance System (BRFSS). / Schneyer, Christine R.; Lopez, Helio; Concannon, Mary; Hochberg, Marc C.

In: Journal of Bone and Mineral Research, Vol. 23, No. 1, 01.2008, p. 151-158.

Research output: Contribution to journalArticle

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