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J Korean Med Sci. 2018 Feb 12;33(7):e47. doi: 10.3346/jkms.2018.33.e47.

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

Author information

1
Department of Family Medicine, Seoul National University Hospital, Seoul, Korea.
2
G Clinic, Seoul, Korea.
3
Health Screening and Promotion Center, Seoul National University Bundang Hospital, Seongnam, Korea.
4
Department of Family Medicine, Seoul National University Bundang Hospital, Seongnam, Korea. fromage5@naver.com.

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.

KEYWORDS:

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

PMID:
29359535
PMCID:
PMC5785623
DOI:
10.3346/jkms.2018.33.e47
[Indexed for MEDLINE]
Free PMC Article

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