Purpose This study was conducted to examine factors associated with obesity among Korean adolescents.
Methods The participants were 436 Korean adolescents aged 12~18 years who took part in the seventh Korea National Health and Nutrition Examination Survey (2016). The data were analyzed by descriptive statistics, the x2 test, one-way analysis of variance, and multinomial logistic regression using complex sample analysis.
Results Among the participants, 9.7% were classified as being obese, and 11.9% as being overweight. Several health parameters, including systolic blood pressure, diastolic blood pressure, waist circumference, and triglyceride, fasting blood sugar, and alanine aminotransferase levels, varied according to obesity. Distorted perceptions of body shape showed a significant negative association with overweight, and carbohydrate intake was negatively associated with obesity.
Conclusion These findings indicate that obesity in Korean adolescents was associated with lifestyle and health parameters. Therefore, intervention programs for obese or overweight adolescents should focus on preventing them from developing health problems.
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Purpose The aim of the study was to assess the prevalence of preschooler obesity/overweight and to identify associated factors.
Methods This study was a cross-sectional study. Data for 591 preschoolers, 432 fathers and 538 mothers from the Korea National Health and Nutrition Examination Survey 2013-2014 were included. Obesity/overweight was defined by 2007 Korean National Growth Charts. T-test, Rao-Scott χ2, multivariate logistic regression was used for the analysis.
Results Prevalence rates for preschooler obesity/overweight were 14.9% (obesity, 5.4%; overweight, 9.5%). The preschoolers with atopic dermatitis or allergic rhinitis or asthma (OR=2.78, 95% CI [1.27-6.09], p=.011) and eating more thiamine per day (OR=1.01, 95% CI [1.00-1.02], p=.001) showed higher obesity/overweight development. The only parental factor affecting preschooler obesity/overweight was parental body mass index (father, OR=1.18, 95% CI [1.09-1.28], p<.001; mother, OR=1.09, 95% CI [1.04-1.15], p<.001).
Conclusion Interventions on preventing preschooler obesity should be introduced much earlier for children with risk factors. Results from this study can be used as preliminary data to develop effective strategies to prevent obesity in Korean preschoolers.
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