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Int. J. Environ. Res. Public Health 2011, 8(12), 4596-4607; doi:10.3390/ijerph8124596
Article

Related Factors of Insulin Resistance in Korean Children: Adiposity and Maternal Insulin Resistance

1,2
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1,2
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1,2
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3
 and
4,*
1 Department of Family Medicine, Seoul-Paik Hospital, College of Medicine, Inje University, 85 Jeo-dong 2-ga, Jung-gu, Seoul 100032, Korea 2 Institute of Clinical Nutrition, Inje University, 85 Jeo-dong 2-ga, Jung-gu, Seoul 100032, Korea 3 Division of Metabolic Diseases, Center for Biomedical Sciences, National Institute of Health, 187 Osongsaengmyeong 2-ro, Gangoe-myeon, Cheongwon-gun, Chungcheongbuk-do 363951, Korea 4 Department of Preventive Medicine, College of Medicine, The Catholic University of Korea, Banpo-dong, Seocho-gu, Seoul 137-701, Korea
* Author to whom correspondence should be addressed.
Received: 28 October 2011 / Revised: 2 December 2011 / Accepted: 7 December 2011 / Published: 12 December 2011
(This article belongs to the Special Issue Childhood Obesity: Prevention and Treatment)
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Abstract

Increased adiposity and unhealthy lifestyle augment the risk for type 2 diabetes in children with familial predisposition. Insulin resistance (IR) is an excellent clinical marker for identifying children at high risk for type 2 diabetes. This study was conducted to investigate parental, physiological, behavioral and socio-economic factors related to IR in Korean children. This study is a cross-sectional study using data from 111 children aged 7 years and their parents. Homeostasis model assessment of insulin resistance (HOMA-IR) was calculated using fasting glucose and insulin level as a marker of IR. All children’s adiposity indices (r = 0.309–0.318, all P-value = 0.001) and maternal levels of fasting insulin (r = 0.285, P-value = 0.003) and HOMA-IR (r = 0.290, P-value = 0.002) were positively correlated with children’s HOMA-IR level. There was no statistical difference of children’s HOMA-IR level according to children’s lifestyle habits and socioeconomic status of families. An increase of 1 percentage point in body fat was related to 2.7% increase in children’s HOMA-IR (P-value < 0.001) and an increase of 1% of maternal level of HOMA-IR was related to 0.2% increase in children’s HOMA-IR (P-value = 0.002). This study shows that children’s adiposity and maternal IR are positively associated with children’s IR.
Keywords: insulin resistance; child; parent; adiposity; lifestyle habit insulin resistance; child; parent; adiposity; lifestyle habit
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Cho, Y.-G.; Kang, J.-H.; Hur, Y.-I.; Song, J.; Lee, K.-S. Related Factors of Insulin Resistance in Korean Children: Adiposity and Maternal Insulin Resistance. Int. J. Environ. Res. Public Health 2011, 8, 4596-4607.

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