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Waist Circumference to Height Ratio: Better Correlation With Fat Mass Than Other Anthropometric Indices During Dietary Weight Loss in Different Rates Publisher



Ashtarylarky D1, 2 ; Daneghian S3 ; Alipour M1, 3, 4 ; Rafiei H5 ; Ghanavati M1 ; Mohammadpour R6 ; Kooti W7 ; Ashtarylarky P1 ; Afrisham R8
Authors
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Authors Affiliations
  1. 1. Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  2. 2. Department of Clinical Biochemistry, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  3. 3. Department of Nutrition, School of Paramedicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  4. 4. Health Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
  5. 5. Exercise Metabolism and Inflammation Laboratory, School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, Kelowna, BC, Canada
  6. 6. Department of Physical Education and sport science, Shushtar Branch, Islamic Azad University, Shushtar, Iran
  7. 7. Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
  8. 8. Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, School of Medicine, Tehran, Iran

Source: International Journal of Endocrinology and Metabolism Published:2018


Abstract

Background: The first-line strategy for the treatment of obesity is weight loss (WL) through decreasing calorie intake. However, a diet that is capable of attenuating fat free mass decline following WL is preferred. Furthermore, it is required to choose proper measurements and appropriate obesity-assessment indices to monitor weight and body composition during WL program. Methods: A total of 68 adults with overweight and/or obesity underwent a WL program (rapid and slow WL). Dependent variables include: weight, resting metabolic rate (RMR), body composition, and related measurements such as waist circumference (WC), waist to height ratio (WHtR), body adiposity index (BAI), a body shape index (ABSI), fat mass to lean body mass (FM/LBM), and percentage body fat (PBF). Results: Obesity measurements decreased in both groups (all P < 0.05) while LBM and RMR decreased more in the rapid WL group (P < 0.05). After age and sex adjustment, a robust correlation was observed between FM/LBM and PBF (r = 0.918), LBM% and PBF (r = -0.949), LBM% and FM/LBM (r = -0.904), WHtR and WC (r = 0.986), and BAI% and HC (r = 0.986) (P < 0.001 for all correlations). FM has the highest correlation with WHtR among other indices (r = 0.706). Conclusions: Compared to fast WL, our data support that slow and gradual WL is more effective to improve body composition and obesity-assessment indices. The robust relationship was observed between FM and WHtR, among other indices such as BMI or ABSI. Therefore, in order to evaluate FM, where the FM is not measurable, the WHtR might be the reasonable index. © 2018, International Journal of Endocrinology and Metabolism. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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