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Association between the Phytochemical Index and Lower Prevalence of Obesity/Abdominal Obesity in Korean Adults.


ABSTRACT: The relatively high levels of vegetable consumption have highlighted the need to examine the association between phytochemical intake and disease prevention. We examined the association between the phytochemical index (PI) and obesity/abdominal obesity among Korean adults. We analyzed the data of 57,940 adults aged ? 19 years obtained from the Korea National Health and Nutrition Examination Survey. We calculated PI using the 24 h recall data, and multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using logistic regression models. Dose-response patterns were analyzed using restricted cubic spline regression. After multivariable adjustment, a higher PI was found to be associated with a lower prevalence of obesity and abdominal obesity; this association was notable in women (obesity, OR: 0.86, CI: 0.78-0.94, p for trend = 0.01; abdominal obesity, OR: 0.81, CI: 0.73-0.90, p for trend < 0.001). Spline regression showed linearity of the associations between PI and obesity/abdominal obesity in women. Our findings suggested that maintaining a phytochemical-rich diet may help to prevent obesity and abdominal obesity, especially in women, as an increased PI corresponded to lower prevalence of obesity. This study, using evidence-based data, highlighted the importance of consuming plant-derived foods to prevent obesity.

SUBMITTER: Im J 

PROVIDER: S-EPMC7468740 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Association between the Phytochemical Index and Lower Prevalence of Obesity/Abdominal Obesity in Korean Adults.

Im Jihyun J   Kim Minkyeong M   Park Kyong K  

Nutrients 20200731 8


The relatively high levels of vegetable consumption have highlighted the need to examine the association between phytochemical intake and disease prevention. We examined the association between the phytochemical index (PI) and obesity/abdominal obesity among Korean adults. We analyzed the data of 57,940 adults aged ≥ 19 years obtained from the Korea National Health and Nutrition Examination Survey. We calculated PI using the 24 h recall data, and multivariable-adjusted odds ratios (ORs) and 95%  ...[more]

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