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Percentage of Body Fat Assessment Using Bioelectrical Impedance Analysis and Dual-Energy X-ray Absorptiometry in a Weight Loss Program for Obese or Overweight Chinese Adults

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  • Yi-Chun Li
  • Chia-Ing Li
  • Wen-Yuan Lin
  • Chiu-Shong Liu
  • Hua-Shui Hsu
  • Cheng-Chun Lee
  • Fei-Na Chen
  • Tsai-Chung Li
  • Cheng-Chieh Lin

Abstract

The current study aimed to compare the estimates of body fat percentage (%BF) by performing bioelectrical impedance analysis (BIA) and dual energy X-ray absorptiometry (DXA) in a sample of obese or overweight Chinese adults who participated in a weight-loss randomized control trial stratified by gender to determine whether or not BIA is a valid measurement tool. Among 189 adults [73 males, 116 females; age = 41 to 74 years; mean body mass index (BMI) = 27.3 kg/m2], assessments of %BF at the baseline and six months from the baseline were conducted by performing BIA and DXA. Bland-Altman analyses and multiple regression analyses were used to assess the relationships between %BFBIA and %BFDXA. Compared with DXA, BIA underestimated %BF [in males: 4.6, –2.4 to 11.7 (mean biases, 95% limit of agreement) at the baseline, 1.4, –7.4 to 10.2 at the endpoint, and 3.2, –4.8 to 11.3 in changes; in females: 5.1, –2.4 to 12.7; 2.2, –6.1 to 10.4; and 3.0, –4.8 to 10.7, respectively]. For males and females, %BFDXA proved to be a significant predictor of the difference between DXA and BIA at the baseline, the endpoint, and in changes when BMI and age were considered (in males: p

Suggested Citation

  • Yi-Chun Li & Chia-Ing Li & Wen-Yuan Lin & Chiu-Shong Liu & Hua-Shui Hsu & Cheng-Chun Lee & Fei-Na Chen & Tsai-Chung Li & Cheng-Chieh Lin, 2013. "Percentage of Body Fat Assessment Using Bioelectrical Impedance Analysis and Dual-Energy X-ray Absorptiometry in a Weight Loss Program for Obese or Overweight Chinese Adults," PLOS ONE, Public Library of Science, vol. 8(4), pages 1-7, April.
    • Handle: RePEc:plo:pone00:0058272
    DOI: 10.1371/journal.pone.0058272
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    Cited by:

    1. Leong Chen Lew & Arimi Fitri Mat Ludin & Suzana Shahar & Zahara Abdul Manaf & Noorlaili Mohd Tohit, 2022. "Efficacy and Sustainability of Diabetes-Specific Meal Replacement on Obese and Overweight Type-2 Diabetes Mellitus Patients: Study Approaches for a Randomised Controlled Trial and Impact of COVID-19 o," IJERPH, MDPI, vol. 19(7), pages 1-19, April.
    2. Rafael Molina-Luque & Manuel Romero-Saldaña & Carlos Álvarez-Fernández & Miquel Bennasar-Veny & Álvaro Álvarez-López & Guillermo Molina-Recio, 2019. "Equation Córdoba: A Simplified Method for Estimation of Body Fat (ECORE-BF)," IJERPH, MDPI, vol. 16(22), pages 1-13, November.
    3. Zachary C. Pope & Daheia J. Barr-Anderson & Beth A. Lewis & Mark A. Pereira & Zan Gao, 2019. "Use of Wearable Technology and Social Media to Improve Physical Activity and Dietary Behaviors among College Students: A 12-Week Randomized Pilot Study," IJERPH, MDPI, vol. 16(19), pages 1-21, September.

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