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KMID : 1022220210100020161
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Clinical Nutrition Research
2021 Volume.10 No. 2 p.161 ~ p.171
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The Association of Dietary Phytochemical Index with Metabolic Syndrome in Adults
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Firouzabadi Fatemeh Dehghani
Jayedi Ahmad
Asgari Elaheh
Farazi Mena
Noruzi Zahra
Djafarian Kurosh
Shab-Bidar Sakineh
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Abstract
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In this study, we assessed the association between the dietary phytochemical index (DPI) and metabolic syndrome (MetS) among adults in a cross-sectional study. We enrolled 850 adult men and women aged 18?65 years who had been referred to health centers in Tehran, Iran. The DPI was calculated based on 8 components including fruits, vegetables, legumes, whole grains, soy products, nuts, seeds, olive, and olive oil. The odds ratio (OR) and 95% confidence interval (CI) of the MetS across quartiles of the DPI were calculated using the logistic regression analysis, adjusting for age, energy intake, marital status, education status, occupation, smoking status, physical activity, and body mass index. The mean age of participants was 44.7 ± 10.7, of whom 69% were women. The prevalence of MetS was 30.5%. The mean score of DPI in women and men was 36.2 ± 26.8 and 33.7 ± 24.7, respectively. There was no significant association between DPI and odds of MetS in men (ORfourth vs. first quartile,1.57; 95% CI, 0.64?3.84) and women (ORfourth vs. first quartile, 0.86; 95% CI, 0.50?1.49) in the fully adjusted model. There was an inverse association between DPI and increased risk of central obesity in women (ORfourth vs. first quartile, 0.54; 95% CI, 0.29?1.00; p trend = 0.03). There was no significant association between DPI and other components of the MetS in men and women. Finally, we observed no significant association between the DPI and the odds of MetS. However, the finding suggests that having a phytochemical-rich diet can be inversely associated with abdominal obesity.
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KEYWORD
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Metabolic syndrome, Phytochemicals, index, Diet, Adults, Iran
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