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Dietary Insulin Index and Load and Cardiometabolic Risk Factors Among People With Obesity: A Cross-Sectional Study Publisher Pubmed



Vajdi M1 ; Ardekani AM2 ; Nikniaz Z3 ; Hosseini B4 ; Farhangi MA5
Authors
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Authors Affiliations
  1. 1. Department of Community Nutrition, Student Research Committee, School of Nutrition and Food Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Science, & Physiology Research Center, Kerman University of Medical Sciences, Kerman, Iran
  3. 3. Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
  4. 4. Department of Surgery, School of Medicine, Laparoscopy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
  5. 5. Tabriz Health Services Management Research Center, Tabriz University of Medical Sciences, Attar Neyshabouri, Daneshgah Blv, Tabriz, Iran

Source: BMC Endocrine Disorders Published:2023


Abstract

Background: The hypothesis of the effect of the insulinogenic effects of diet on the development of cardiometabolic disorders has been suggested, but limited data are available for adults with obesity. This study aimed to determine the association of dietary insulin index (DII) and dietary insulin load (DIL) with cardiometabolic risk factors among Iranian adults with obesity. Methods: The study was conducted with a total of 347 adults aged 20–50 years in Tabriz, Iran. Usual dietary intake was assessed through a validated 147-item food frequency questionnaire (FFQ). DIL was computed using published food insulin index (FII) data. DII was calculated by dividing DIL by the total energy intake of each participant. Multinational logistic regression analysis was performed to evaluate the association between DII and DIL and cardiometabolic risk factors. Results: Mean age of participants was 40.78 ± 9.23 y, and mean body mass index (BMI) was 32.62 ± 4.80 kg/m2. Mean of DII and DIL was 73.15 ± 37.60 and 196,242 ± 100,181. Participants with higher DII had higher BMI, weight, waist circumference (WC), and blood concentrations of triglyceride (TG) and Homeostasis model assessment insulin resistance index (HOMA-IR) (P < 0.05). After taking potential confounders into account, DIL was positively associated with MetS (OR: 2.58; 95% CI: 1.03–6.46), and high blood pressure (OR: 1.61; 95% CI: 1.13–6.56). Moreover, after adjustment for potential confounders, moderate DII was associated with increased odds of MetS (OR: 1.54, 95% CI: 1.36–4.21), high TG (OR, 1.25; 95% CI, 1.17–5.02), and high blood pressure (OR: 1.88; 95% CI: 1.06–7.86). Conclusion: This population-based study revealed that adults with higher DII and DIL associated with cardiometabolic risk factors and consequently, replacement of high with low DII and DIL may have reduce the risk of cardiometabolic disorders. Further studies with longitudinal design are required to confirm these findings. © 2023, The Author(s).
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