J Korean Med Sci.  2018 Feb;33(7):e47. 10.3346/jkms.2018.33.e47.

Trends and Cut-Point Changes in Obesity Parameters by Age Groups Considering Metabolic Syndrome

• Park HJ
• Hong YH
• Cho YJ
• Lee JE
• Yun JM
• Kwon H
• Kim SH

• KMID: 2402993
• DOI: http://doi.org/10.3346/jkms.2018.33.e47

Abstract

BACKGROUND
Non-communicable diseases (NCDs) are an important issue worldwide. Obesity has a close relationship with NCDs. Various age-related changes should be considered when evaluating obesity.
METHODS
National representative cohort data from the National Health Insurance Service National Sample Cohort from 2012 to 2013 were used. Sex-specific and age group-specific (10-year intervals) means for body mass index (BMI), waist circumference (WC), and waist-to-height ratio (WtHR) were calculated. Optimal cut-points for obesity parameters were defined as the value predicting two or more components of metabolic syndrome (except WC).
RESULTS
The mean value and optimal cut-point for BMI decreased with age for men. The mean BMI value for women increased with age, but optimal cut-points showed no remarkable difference. The mean WC of men increased with age, but the optimal cut-points were similar for age groups. For women, the mean value and optimal cut-point for WC increased with age. Regarding WtHR, the mean value and optimal cut-point increased with age for men and women. Differences across age groups were larger for women.
CONCLUSION
The mean values of the obesity indices and the optimal cut-points were changed according to age groups. This study supports the necessity of applying age group-specific cut-points for the various obesity parameters.

Keyword

Obesity; Metabolic Syndrome; Body Mass Index; Waist Circumference; Waist-to-Height Ratio; Age Groups; Trends

MeSH Terms

Body Mass Index
Cohort Studies
Female
Humans
Male
National Health Programs
Obesity*
Waist Circumference