Preprint Article Version 1 This version is not peer-reviewed

Animal and Plant Protein Intake and Obesity, Abdominal Obesity in Korean Elderly Population: The Korea National Health and Nutrition Examination Survey 2013 to 2014

Version 1 : Received: 27 March 2018 / Approved: 27 March 2018 / Online: 27 March 2018 (11:23:20 CEST)

A peer-reviewed article of this Preprint also exists.

Park, K.-B.; Park, H.A.; Kang, J.-H.; Kim, K.; Cho, Y.G.; Jang, J. Animal and Plant Protein Intake and Body Mass Index and Waist Circumference in a Korean Elderly Population. Nutrients 2018, 10, 577. Park, K.-B.; Park, H.A.; Kang, J.-H.; Kim, K.; Cho, Y.G.; Jang, J. Animal and Plant Protein Intake and Body Mass Index and Waist Circumference in a Korean Elderly Population. Nutrients 2018, 10, 577.

Journal reference: Nutrients 2018, 10, 577
DOI: 10.3390/nu10050577

Abstract

Controversy exists on whether animal and plant proteins influence obesity differently. The purpose of this study was to evaluate the association between total, animal, and plant protein intake with the obesity index and renal function in Korean adults. Study participants included Korean adults aged 60 years or older from the Korean National Health and Nutrition Examination Survey in 2013-2014. Height, weight, and waist circumference (WC) were measured and the body mass index (BMI) was calculated. One-day 24-hour recall data were used to estimate the daily total, animal, and plant protein intake. Glomerular filtration rate (GFR) was calculated by using the Modification of Diet in Renal Disease (MDRD) equation. General linear modellings were used to assess the relationships between protein intake, BMI and WC. The mean age was 69.2 ± 0.2 years, 44.2% were male. The total daily protein intake was 1.1 ± 0.02 g/kg/d and 0.9 ± 0.02 g/kg/d for males and females, respectively. Only one third of protein intake was from animal sources. In males, BMI (p < 0.001, p = 0.016, p < 0.001 respectively) and WC (p < 0.001, p = 0.010, p < 0.001, respectively) decreased as daily intake of plant protein (g/kg/d), animal protein (g/kg/d) and total protein (g/kg/d) increased. Similar associations were shown in Korean female. GFR was not associated with protein intake regardless of protein source in both sexes. In Korean adults aged 60 years or older, the protein intake was associated with a favorable obesity index without decrease in renal function. The effect was similar in both male and females, with both animal and plant proteins.

Subject Areas

animal protein; plant protein; elderly; obesity; glomerular filtration rate

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