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KMID : 1022220220110010050
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Clinical Nutrition Research
2022 Volume.11 No. 1 p.50 ~ p.61
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The Association Between Low Carbohydrate Diet and Resting Metabolic Rate in Overweight and Obese Women: A Cross-Sectional Study
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Sajjadi Seyedeh Forough
Mirzababaei Atieh
Pooyan Sara
Rasaei Niloufar
Yekaninejad Saeed
Shiraseb Farideh
Mirzaei Khadijeh
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Abstract
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Resting metabolic rate (RMR) accounts for most daily energy expenditure. The low carbohydrate diet (LCD) attenuates decreases in RMR. This study aims to investigate the relationship between an LCD and RMR status among overweight and obese women. We enrolled 291 overweight and obese women in this cross-sectional study. Body mass index (BMI), fat mass, fat-free mass, visceral fat, and insulin level were assessed. RMR was measured using indirect calorimetry. LCD score (LCDS) was measured using a validated semi-quantitative food frequency questionnaire. Analysis of variance, independent sample t-test, and Multinomial logistic regression tests were used. Results showed no relationship between LCDS and deviation of normal RMR (DNR) even after adjust for confounders (increased [Inc.] RMR: odds ratio [OR], 0.97; 95% confidence interval [CI], 0.92?1.01; p = 0.20; decreased [Dec.] RMR: OR, 0.97; 95% CI, 0.94?1.00; p = 0.14). Some components of LCDS had no significant association with DNR, such as carbohydrate and Dec. RMR in adjusted model (OR, 1.62; 95% CI, 0.98?1.37; p = 0.08) and monounsaturated fatty acids and Dec. RMR in adjusted model (OR, 0.48; 95% CI, 0.21?1.10, p = 0.08). However, refined grains had a significant association with Inc. RMR in crude model (OR, 0.87; 95% CI, 0.77?0.99, p = 0.04). There is no association between LCDS and RMR status.
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KEYWORD
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Resting metabolic rate, Obesity, Overweight, Low carbohydrate diet
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