Submitted: 01 Mar 2021
Revision: 07 Sep 2021
Accepted: 24 Sep 2021
ePublished: 11 Nov 2021
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J Cardiovasc Thorac Res. 2021;13(4): 298-308.
doi: 10.34172/jcvtr.2021.47
  Abstract View: 156
  PDF Download: 103
  Full Text View: 18

Original Article

Association between carbohydrate quality index and general and central obesity in adults: A population-based study in Iran

Nasim Janbozorgi 1 ORCID logo, Kurosh Djafarian 2, Saba Mohammadpour 1 ORCID logo, Mahtab Zareie Abyane 1, Mahdi Zameni 1, Mostafa Badeli 1, Zahra Akbarzade 1, Cain C. T. Clark 3, Sakineh Shab-Bidar 1* ORCID logo

1 Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
2 Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
3 Centre for Intelligent Healthcare, Coventry University, Coventry, CV15FB, U.K
*Corresponding Author: Sakineh Shab-Bidar, Email: s_shabbidar@tums.ac.ir


Introduction: To determine whether dietary carbohydrates quality index (CQI), glycemic index, and glycemic load is associated with general and abdominal obesity.
Methods: 850 participants, 20 to 59 years old, were enrolled in a cross-sectional study from five Tehran districts through health houses. The 168 items in the semi--quantitative food frequency questionnaire were used to assess dietary intake. The CQI was calculated by using the following four components: glycemic index, total fiber, solid carbohydrate to total carbohydrate ratio, and whole grains: total grains ratio.
Results: After adjusting for confounding factors, the chance of obesity in men (OR=0.38, 95% CI 0.15to 0.95; P=0.04) measured by waist circumference (WC) was significantly lower in the fourth quintile of CQI in comparison with the first quintile. In addition, OR for obesity in men (OR=2.53, 95% CI0.52 to 1.37; P=0.04) was significantly 2.5 times higher among those in the fourth quintile of glycemic index compared with those in the lowest quintile. There was no significant association between dietary carbohydrates with general obesity in men and women.
Conclusion: In summary, dietary CQI is significantly inversely related to central obesity in men,according to this study. Additionally, adherence to a diet with a higher glycemic index in men is positively associated with central obesity.
Keywords: Carbohydrate Quality, Obesity, Adults, Diet

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