Fig. 1The prevalence of obesity among Korean children and adolescents during 1979 to 2013.
Fig. 2The prevalence of metabolic syndrome among Korean children and adolescents during 1998 to 2012.
Fig. 3The prevalence of Korean children and adolescents with diabetes mellitus during 2006 to 2013.
Table 1Prevalence of Obesity among Korean Children and Adolescents during 1979 to 2013
Survey year |
Sample |
Age distribution, yr |
Definition of obesity |
Prevalence of obesity, % |
Total |
Boy |
Girl |
1979 |
Seoul |
6–17 |
Those exceeding 120% of ideal body weight |
|
1.7 |
2.6 |
1981 |
Seoul |
6–17 |
|
|
1.4 |
2.5 |
1988 |
Seoul |
6–17 |
|
|
6.2 |
6.4 |
1997 |
Seoul |
6–17 |
|
|
11.0 |
9.3 |
1998 |
Nationwide |
10–18 |
Those exceeding 120% of ideal body weight |
6.8 |
7.2 |
6.4 |
2001 |
Nationwide |
6–18 |
BMI ≥95th percentile and/or BMI ≥25 kg/m2
|
9.1 |
10.3 |
7.6 |
2005 |
Nationwide |
6–18 |
|
10.1 |
11.1 |
8.9 |
2007 |
Nationwide |
6–18 |
|
11.9 |
14.5 |
8.8 |
2008 |
Nationwide |
6–18 |
|
11.2 |
14.8 |
7.2 |
2009 |
Nationwide |
6–18 |
|
9.6 |
11.5 |
7.6 |
2010 |
Nationwide |
6–18 |
|
11.1 |
12.9 |
9.0 |
2011 |
Nationwide |
6–18 |
|
11.2 |
12.7 |
9.6 |
2012 |
Nationwide |
6–18 |
|
11.4 |
12.7 |
9.8 |
2013 |
Nationwide |
6–18 |
|
10.0 |
12.2 |
7.7 |
Table 2Prevalence of Metabolic Syndrome among Korean Children and Adolescents during 1998 to 2012
Survey year |
Sample |
Age distribution, yr |
Definition of MetS |
Prevalence of MetS, % |
Boy |
Girl |
1998 |
Nationwide |
10–18 |
Having three or more of the following criteria: waist circumference ≥ 90th percentile for age and sex; systolic or diastolic BP ≥ 90th percentile for age, sex, and height; fasting glucose level ≥100 mg/dL; triglyceride level ≥110 mg/dL; HDL-C level ≤40 mg/dL |
6.7 |
8.4 |
2001 |
12.9 |
6.4 |
2005 |
13.4 |
8.1 |
2008 |
6.9 |
6.5 |
2008–2010 |
Nationwide |
10–18 |
Having three or more of the following criteria: waist circumference ≥ 90th percentile for age and sex; systolic or diastolic BP ≥ 90th percentile for age, sex, and height; fasting glucose level ≥100 mg/dL; triglyceride level ≥110 mg/dL; HDL-C level ≤40 mg/dL |
6.0 |
4.2 |
2010–2012 |
Nationwide |
12–19 |
Three or more of the following criteria: waist circumference ≥ 90th percentile for age and sex; systolic or diastolic BP ≥ 90th percentile for age, sex, and height and/or using antihypertensive medication; fasting glucose level ≥100 mg/dL and/or using hypoglycemic agents; triglyceride level ≥110 mg/dL and/or using the dyslipidemia medication; HDL-C level ≤40 mg/dL |
5.4 |
3.1 |