Self-report corrections for bmi: comment on keith et al

Self-report corrections for bmi: comment on keith et al


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Access through your institution Buy or subscribe We, the authors of two publications, one in the _International Journal of Obesity_ and the other in _BMC Public Health_, write to correct


points in each of these two articles.1, 2 The primary objective of the article by Keith _et al._1 was to evaluate whether use of self-reported height and weight led to biases in the


association between the mortality rate and obesity, and indeed such a result was the major finding of the paper. As an ancillary point, in the discussion section Keith _et al._ stated: BMISR


(self-reported body mass index) should not be considered a reliable source of information for estimating BMIM (measured BMI) with a regression model. This calls into question the validity


of methods using self-reported heights and weights and other study variables, such as the methods proposed by Stommel and Schoenborn2 based on recent NHANES (National Health and Nutrition


Examination Survey) data, to generate corrected BMI scores conditioned on BMISR. When we applied their method2 to NHANES III, although the corrected BMI scores did improve classification


over uncorrected BMISR among the severely obese (increased sensitivity from 68 to 84%), they significantly exacerbated the misclassification problems among the underweight, normal weight,


overweight and obese (sensitivity decreased from 58%, 91%, 80% and 62% to 3%, 30%, 31% and 47%, respectively). Compared with BMIM, the corrected BMI scores also increased the bias in


estimating MR beyond that which we showed from using BMISR. This is a preview of subscription content, access via your institution ACCESS OPTIONS Access through your institution Subscribe to


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customer support REFERENCES * Keith SW, Fontaine KR, Pajewski NM, Mehta T, Allison DB . Use of self-reported height and weight biases the body mass index-mortality association. _Int J Obes_


2011; 35: 401–408. Article  CAS  Google Scholar  * Stommel M, Schoenborn CA . Accuracy and usefulness of BMI measures based on self-reported weight and height: findings from the NHANES &


NHIS 2001-2006. _BMC Public Health_ 2009; 9: 421. Article  Google Scholar  Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of pharmacology, Division of


Biostatistics, Thomas Jefferson University, Philadelphia, PA, USA S W Keith * College of Nursing, Michigan State University, East Lansing, MI, USA M Stommel * Department of Biostatistics,


University of Alabama at Birmingham, Birmingham, AL, USA D B Allison * CDC/National Center for Health Statistics, Hyattsville, MD, USA C A Schoenborn Authors * S W Keith View author


publications You can also search for this author inPubMed Google Scholar * M Stommel View author publications You can also search for this author inPubMed Google Scholar * D B Allison View


author publications You can also search for this author inPubMed Google Scholar * C A Schoenborn View author publications You can also search for this author inPubMed Google Scholar


CORRESPONDING AUTHOR Correspondence to S W Keith. RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Keith, S., Stommel, M., Allison, D. _et al._


Self-report corrections for BMI: Comment on Keith _et al_. _Int J Obes_ 36, 1591 (2012). https://doi.org/10.1038/ijo.2011.277 Download citation * Published: 24 January 2012 * Issue Date:


December 2012 * DOI: https://doi.org/10.1038/ijo.2011.277 SHARE THIS ARTICLE Anyone you share the following link with will be able to read this content: Get shareable link Sorry, a shareable


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