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Updated: Jun 12, 2026

A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro
Published on: June 2, 2022
Physicians underestimate calcium intake in women
Sandra M Snyder1, Carl V Tyler, Vanessa Panaite
1Department of Family Medicine, Medicine Institute, Cleveland Clinic, Cleveland, Ohio, USA. sandra.snyder@fairviewhospital.org
Physicians accurately identified most inadequate calcium intake but often overestimated adequate intake. Improving dairy intake assessment enhances accuracy for personalized nutrition counseling.
Area of Science:
- Nutrition Science
- Public Health
- Clinical Medicine
Background:
- Accurate calcium intake assessment is crucial for personalized nutritional counseling in clinical settings.
- Physician estimations of calcium intake during office visits need validation against objective measures.
Purpose of the Study:
- To compare the accuracy of physician estimates of calcium intake with a validated measure.
- To identify characteristics of women whose calcium intake was misclassified by physicians.
Main Methods:
- Physicians estimated calcium intake based on patient self-reports of dairy and supplement use.
- Estimates were compared to the Short Calcium Questionnaire (SCQ), a 7-day dietary recall.
- Sensitivity, specificity, and predictive values of physician estimates were calculated.
Main Results:
- Physician estimates showed high sensitivity (97%) but low specificity (51%) for inadequate calcium intake.
- Women with underestimated calcium intake were more likely to have a family history of osteoporosis or take multivitamins.
- Underestimation of dairy product contribution was the primary reason for physician misclassification.
Conclusions:
- Enhancing the accuracy of dairy-based calcium intake estimation is key to improving the specificity of identifying inadequate intake.
- More precise assessment methods are needed for effective nutritional interventions.
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