J Korean Med Sci.  2021 May;36(17):e112. 10.3346/jkms.2021.36.e112.

Trends of Diabetes and Prediabetes Prevalence among Korean Adolescents From 2007 to 2018

• Kim JH
• Lim JS

• KMID: 2515804
• DOI: http://doi.org/10.3346/jkms.2021.36.e112

Abstract

Background
To provide updated prevalence data and to estimate changes in the prevalence of diabetes among Korean adolescents by sex and age between 2007 and 2018.
Methods
We used the data of children and adolescents (8,718 subjects aged 10 to 18 years) from the Korea National Health and Nutrition Examination Survey IV–VII (KNHANES 2007–2018). The recent prevalence of diabetes and pre-diabetes was estimated by using the latest KNHANES VII. The linear trends were estimated by comparing 3-year KNHANES cycles according to sex and by using logistic regression.
Results
The prevalence of diabetes and pre-diabetes was 0.298% (95% confidence interval [CI], 0.289–0.308) and 7.914% (95% CI, 0.43–0.49). The prevalence of diabetes significantly increased from 0.189 to 0.430 during KNHANE IV and VII. A positive linear trend is significant for diabetes (P trends = 0.006) in only male subjects. The prevalence of prediabetes significantly increased from 5.86 to 12.08 in both sexes. During KNHANES IV and VII, the prevalence of obesity increased significantly.
Conclusion
Between 2007 and 2018, the prevalence of diabetes among Korean adolescents increased. Further studies are required to determine the causes of these increases.

Keyword

Body Mass Index; Children; Diabetes; Prevalence; Trends; KNHANES

Figure

• 

  Fig. 1 The prevalence of diabetes and pre-diabetes during the four KNHANES cycles by sex.The trend for diabetes is significant only in male subjects (P trends = 0.006), pre-diabetes is significant in both sexes. The prevalence of diabetes was 0.189%, 0.169%, 0.489%, and 0.430% in KNHANES IV, V, VI, and VII. The prevalence of pre-diabetes was 5.86%, 5.11%, 10.27%, and 12.08%.KNHANES = Korea National Health and Nutrition Examination Survey.

• 

  Fig. 2 The prevalence of diabetes and pre-diabetes during the four KNHANES cycles according to obesity status.The prevalence of diabetes among normal weight, overweight, and obese were 0.19%, 0.34%, and 1.06%, respectively. The prevalence of pre-diabetes were 6.98%, 11.51%, and 11.50%, respectively.KNHANES = Korea National Health and Nutrition Examination Survey.

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