Association between body mass index and physical function among endometrial cancer survivors

Xiaochen Zhang, Justin C. Brown, Kathryn H. Schmitz

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Objectives: We sought to quantify the relationship between body mass index (BMI) and physical function among endometrial cancer survivors. Understanding this relationship would help healthcare providers target efforts to refer obese endometrial cancer survivors to weight loss and exercise interventions. Methods: We conducted a survey of 213 endometrial cancer survivors who received cancer care at an academic l health system between 2006 and 2010. Physical function subscale was quantified using physical functional component score from the SF-12 questionnaire. We compared physical function of endometrial cancer survivors to population-based age-standardized normative values. Results: Among the 213 patients, 16% were normal weight (BMI ≤25 kg/m2), and 52% were obese (≥30 kg/m2). Higher BMI categories were associated with lower physical function (Ptrend = 0.003), as a continuous variable each 5kg/m2 higher BMI, physical function score was lower by 0.15 points (β = -0.15; P = 0.045). Compared to population-based age-standardized normative values, patients <75yrs reported lower physical function, whereas patients ≥75yrs reported better physical function. BMI was the only covariate associated with differences in physical function between survivors and age-standardized normative values (P = 0.039). Conclusions: Among endometrial cancer survivors, higher BMI is associated with lower physical function. Younger endometrial cancer survivors report lower physical function compared to age-standardized normative values. Healthcare providers should be aware that younger, obese endometrial cancer survivors may particularly benefit from interventions such as exercise and weight loss to increase or preserve physical function.

Original languageEnglish (US)
Article numbere0160954
JournalPloS one
Issue number8
StatePublished - Aug 2016

All Science Journal Classification (ASJC) codes

  • General Biochemistry, Genetics and Molecular Biology
  • General Agricultural and Biological Sciences
  • General


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