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Functional Outcomes of Older Overweight Cancer Survivors After Diet and Exercise—Reply
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In Reply: Given the recent attention surrounding vitamin D, the request by Dr Shil and colleagues to explore intake in relation to physical function is a compelling question. In response, we conducted a cross-sectional analysis of our baseline data (n = 641).1 As described in the main outcomes article, telephone interviews were used to gather data on diet and supplement use, through 2 unannounced 24-hour recalls (multipass method with the Nutrition Data System for Research software, version 2006; Nutrition Coordinating Center, Minneapolis, Minnesota), and to assess physical function, which was captured using 3 instruments: physical function subscales of the Medical Outcomes Study Short-Form 36 (SF-36) and the basic and advanced lower extremity function subscales of the Late Life Function and Disability Index, with higher scores indicating better function. Spearman partial correlation coefficients ( ) were generated after controlling for sex, race, and age (Table).
Table appears in full text version.
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Wendy Demark-Wahnefried, PhD, RD
University of Texas M. D. Anderson Cancer Center
Houston
Denise C. Snyder, MS, RD, CSO;
Miriam C. Morey, PhD
morey@geri.duke.edu
Duke University Medical Center
Durham, North Carolina
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RELATED LETTER
Functional Outcomes of Older Overweight Cancer Survivors After Diet and Exercise
Asit B. Shil, Maureen P. Strohm, and Chris Feifer
JAMA. 2009;302(8):845.
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