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The Association of Dietary Inflammatory Index and Osteosarcopenia in Iranian Adults: Results of Iranian Multicenter Osteoporosis Study Publisher



Ostovar N1, 2 ; Fahimfar N3, 4 ; Ostovar A4, 5 ; Daneghian S1, 2
Authors
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Authors Affiliations
  1. 1. Food and Beverages Safety Research Center, Urmia University of Medical Sciences, Urmia, Iran
  2. 2. Department of Nutrition, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
  3. 3. Osteoporosis Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Diabetes and Metabolic Disorders Published:2025


Abstract

Objectives: To investigate the association between the Dietary Inflammatory Index (DII) and osteosarcopenia using nationally representative data. Methods: We utilized data from 1,418 men and women aged ≥ 50 years old participating in Iranian Multicenter Osteoporosis Study (IMOS), a nation-wide, cross-sectional study conducted in 2021. Osteosarcopenia was defined based on standard criteria, considering the presence of both osteopenia/osteoporosis and sarcopenia. We assessed dietary patterns using a semi-quantitative 168-item Food Frequency Questionnaire (FFQ) and calculated energy-adjusted DII (E-DII) scores based on 31 specific food items. Multivariable logistic regression models were used to examine the association between osteosarcopenia and E-DII, adjusting for potential confounders. Nutrient intake calculations were performed using Nutritionist IV software. Results: The mean age of participants was 60.1 (SD = 7.9) years, with 770 (54.3%) being women. The prevalence of osteosarcopenia was 8.8% (95% CI: 7.3-10.6%). Osteosarcopenia was more prevalent among women, older participants, and rural inhabitants. However, the difference was not statistically significant for sex and area of residence. After adjusting for confounders, the odds ratios for osteosarcopenia in the second and third tertiles of E-DII score were 2.23 (95% CI: 1.23–4.05) and 2.47 (95% CI: 1.40–4.37), respectively. Conclusions: Our findings suggest an association between osteosarcopenia and the DII. A healthy low-inflammatory diet may play a crucial role in maintaining musculoskeletal health among the elderly. © The Author(s), under exclusive licence to Tehran University of Medical Sciences 2025.
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