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KMID : 1130320160590020065
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Korean Journal of Pediatrics
2016 Volume.59 No. 2 p.65 ~ p.73
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Impact of lifestyle factors on trends in lipid profiles among Korean adolescents: the Korea National Health and Nutrition Examination Surveys study, 1998 and 2010
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Kim Shin-Hye
Song Young-Hwan
Park Sang-Shin
Park Mi-Jung
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Abstract
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Purpose: Only a few studies have explored nationwide trends in lipid profiles among Asian adolescents. We aimed to assess trends in lipid profiles and the associated lifestyle factors among Korean children.
Methods: We analyzed data for 2,094 adolescents who were aged 10?18 years and had participated in the Korea National Health and Nutrition Examination Surveys in 1998 and 2010.
Results: During 1998?2010, the prevalence of obesity significantly increased in boys, but no changes were observed in girls. Over this period, there was a small but significant decrease in the mean low-density lipoprotein (LDL)-cholesterol level in boys (1998, 87.5 mg/dL; 2010, 83.6 mg/dL; P=0.019) and mean triglyceride levels in girls (1998, 90.8 mg/dL; 2010, 85.8 mg/dL; P=0.020). There were no significant changes in the prevalence of dyslipidemia in boys, but a modest decrease was noted in girls (1998, 25.1%; 2010, 18.3%; P=0.052). During the study period, the prevalence of breakfast skipping decreased, whereas that of regular exercise increased in both groups. Daily total energy intake did not change between these years. In multivariable logistic regression analyses, breakfast skipping was associated with increased risk of hyper-LDL-cholesterolemia in boys (odds ratio [OR], 5.77) and hypertriglyceridemia (OR, 2.27) in girls. Regular exercise was associated with decreased risk of hypo- HDL-cholesterolemia (OR, 0.40) in boys.
Conclusion: Although the prevalence of obesity in boys increased, favorable or constant trends in lipid profiles were observed among Korean adolescents during 1998?2010. Decrease in breakfast skipping and increase in regular exercise may have contributed to these trends.
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KEYWORD
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Adolescent , Dyslipidemias , Obesity , Trends , Life style
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