Ascertainment of risk factors for osteoporosis: Comparison of interview data with medical record review

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Abstract
To determine the accuracy of self‐reported risk factors for osteoporosis, an age‐stratified random sample of Rochester, MN, women was studied. Results from a structured face‐to‐face interview were compared with information documented in contemporary inpatient and outpatient health care records in the community. Using the × statistic to evaluate concordance of these two data sources, we found substantial agreement for a history of proximal femoral and distal forearm fractures, peptic ulcer disease, estrogen replacement therapy and oral contraceptive use, and cigarette and alcohol exposure. Moderate agreement was seen for histories of other age‐related fractures, hysterectomy or oophorectomy, thyroidectomy, and use of thyroid supplements. Poor agreement was found for prior thyroid disease, gastrectomy, and corticosteroid or anticonvulsant use. This study demonstrates a need for greater attention to the quality of self‐reported risk factor data in studies of bone loss and fractures.
Funding Information
  • National Institutes of Health (AR-27065)
  • U.S. Public Health Service (AR-30582)