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Association of body size distortion with low body mass index in female patients with nontuberculous mycobacterial lung disease

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  • Yumi Takayama
  • Yukina Yumen
  • Takamasa Kitajima
  • Noritsugu Honda
  • Naoki Sakane
  • Motonari Fukui
  • Narumi Nagai

Abstract

Background: We have previously reported that female patients with nontuberculous mycobacterial lung disease (NTM-LD) are thinner and eat less than healthy controls. Therefore, we hypothesized that their thinness is associated with body size misperception. The aim of this study was to clarify whether patients’ body size perception (BSP) is associated with body mass index (BMI) independent of potential confounders. Methods: In this cross-sectional study, we assessed 81 outpatients for BSP using the Japanese version of Body Image Scale, body composition, dietary intake, and biochemical markers. As a control, we used BSP and self-reported anthropometric data from 111 healthy women collected via a web survey. First, BSP and BMI were compared between the patients and the controls. Second, patient data was compared between patients who overestimated their body size (OE, n = 31) and a control who did not (Non-OE, n = 50). Multiple regression analysis was performed to clarify the association between BSP (independent variable) and BMI (dependent variable), adjusting for potential confounders, such as age, disease duration, and nutritional factors. Results: There was a negative correlation between body size distortion and BMI in both patients and controls (p

Suggested Citation

  • Yumi Takayama & Yukina Yumen & Takamasa Kitajima & Noritsugu Honda & Naoki Sakane & Motonari Fukui & Narumi Nagai, 2023. "Association of body size distortion with low body mass index in female patients with nontuberculous mycobacterial lung disease," PLOS ONE, Public Library of Science, vol. 18(8), pages 1-12, August.
    • Handle: RePEc:plo:pone00:0290277
    DOI: 10.1371/journal.pone.0290277
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