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Supplementary Material for: Dietary Fiber Consumption Decreases the Risks of Overweight and Hypercholesterolemia in Japanese Children

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posted on 01.08.2015, 00:00 by Shinozaki K., Okuda M., Sasaki S., Kunitsugu I., Shigeta M.
Aims: It remains inconclusive whether high dietary fiber intake decreases the risk of obesity, hypercholesterolemia or high blood pressure during childhood. Therefore, this study investigated the relationships of dietary fiber intake with weight status and related clinical parameters among Japanese children. Methods: We analyzed the data of 5,600 subjects aged 10-11 years, between 2006 and 2010. Fiber intake was assessed using the Brief-type Diet History Questionnaire. Body height and weight and blood pressure were measured. Serum levels of total cholesterol, low- and high-density lipoprotein cholesterol and triglycerides were analyzed. Fiber intake was categorized into quintiles, and multivariate models were used to adjust for lifestyle factors. Results: Total fiber intake decreased the risks of overweight and high total cholesterol (OR Quintile 5 vs. Quintile 1 overweight: 0.71 for boys, 0.40 for girls; total cholesterol: 0.60 for boys, 0.66 for girls). Water-soluble fiber intake was associated with a lower risk of high blood pressure, although the ORs were not significant. Conclusions: Increasing the dietary fiber intake in Japanese children may have favorable effects on overweight and hypercholesterolemia.