Korean J Fam Pract. 2016; 6(5): 441-445  https://doi.org/10.21215/kjfp.2016.6.5.441
Association between Impaired Fasting Glucose and Frequency of Fruit Intake in over Thirty Year Olds: Fifth Korean National Health and Nutrition Examination Survey 2011
Ji-Won Seo, Eun-Young Jung, Jaehyuck Lee, Dae-Hyun Kim, Young-Sung Suh*
Department of Family Medicine, Keimyung University Dongsan Medical Center, Daegu, Korea
Young-Sung Suh
Tel: +82-53-250-7675, Fax: +82-53-250-7675
E-mail: ysseo@dsmc.or.kr
Received: March 30, 2016; Revised: April 27, 2016; Accepted: June 24, 2016; Published online: October 20, 2016.
© The Korean Academy of Family Medicine. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Background: There are insufficient studies on the association between fruit intake and the risk of diabetes mellitus among non-diabetic subjects; however, some previous studies have reported a lower frequency of diabetes in subjects with high fruit intake. In this study, we investigated the relationship between impaired fasting glucose (pre-diabetes mellitus; a high-risk group for developing diabetes; HbA1c level, 5.7%?6.4%) and the frequency of fruit intake in Korean adults.

Methods: We included 3,674 adult participants (>30 years old; 1,467 men, 2,207 women) who were a part of the fifth Korea National Health and Nutrition Examination Survey in 2011. The participants were categorized into four groups based on the frequency of their fruit intake: daily group, more than once per week group, more than once per month group, and less than six times per year group. We compared the risk of pre-diabetes mellitus in these four fruit intake-based groups.

Results: We observed a significantly lower risk of impaired fasting glucose in women who consumed fruits daily compared to women who consumed fruits less than six times per year (odds ratio, 0.34; 95% confidence interval, 0.129?0.893). However, in men, we did not observe any significant association between impaired fasting glucose and fruit intake.

Conclusion: Impaired fasting glucose is less frequent with daily fruit intake, indicating a lower risk of pre-diabetes mellitus; however, this association is only observed in adult Korean women.

Keywords: Fruits; Impaired Fasting Glucose; Pre-Diabetes; Korean National Health and Nutrition Examination Survey
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