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Cut-off point of BMI and obesity-related comorbidities and mortality in middle-aged Koreans.

Abstract

OBJECTIVE

The need for a lower BMI to classify overweight in Asian populations has been controversial. Using both disease and mortality outcomes, we investigated whether lower BMI cut-off points are appropriate for identifying increased health risk in Koreans.

RESEARCH METHODS AND PROCEDURES

We conducted a cohort study among 773,915 men and women from 30 to 59 years old with 8- to 10-year follow-up periods. Primary outcomes were change of obesity prevalence, obesity-related disease incidence, and all-cause mortality.

RESULTS

Prevalence of overweight (BMI of 25.0-29.9) has steadily increased (1.3% annually), whereas obesity (BMI > or = 30) showed a lower prevalence and only a slight increase (0.1%-0.2% annually). Our study revealed that dose-response relationships exist between obesity and related disease incidences (hypertension, type 2 diabetes, and hypercholesterolemia) beginning at lower BMI levels than previously reported. Compared with those in the healthy weight range, Koreans with a BMI > or = 25 were not at greater risk of hypertension, type 2 diabetes, or hypercholesterolemia than has been reported for whites in similar studies. Obesity-related all-cause mortality also did not seem so different from that of whites.

DISCUSSION

Our findings did not support the use of a lower BMI cut-off point for defining overweight in Koreans compared with whites for the purpose of identifying different risks. However, populations with BMI > or = 25 are rapidly increasing and have substantial risks of diseases. To preempt the rapid increases in obesity and related health problems that are occurring in Western countries, Korea should consider using a BMI of 25 as an action point for obesity prevention and control interventions.

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  • Authors+Show Affiliations

    ,

    Department of Family Medicine and Center for Health Promotion, Ilsan-paik Hospital, College of Medicine, Inje University, Goyang, South Korea. osw6021@yahoo.co.kr

    , , ,

    Source

    Obesity research 12:12 2004 Dec pg 2031-40

    MeSH

    Adult
    Body Mass Index
    Cohort Studies
    Diabetes Mellitus, Type 2
    Female
    Humans
    Hypercholesterolemia
    Hypertension
    Korea
    Male
    Middle Aged
    Obesity
    Reference Values

    Pub Type(s)

    Journal Article

    Language

    eng

    PubMed ID

    15687405

    Citation

    Oh, Sang Woo, et al. "Cut-off Point of BMI and Obesity-related Comorbidities and Mortality in Middle-aged Koreans." Obesity Research, vol. 12, no. 12, 2004, pp. 2031-40.
    Oh SW, Shin SA, Yun YH, et al. Cut-off point of BMI and obesity-related comorbidities and mortality in middle-aged Koreans. Obes Res. 2004;12(12):2031-40.
    Oh, S. W., Shin, S. A., Yun, Y. H., Yoo, T., & Huh, B. Y. (2004). Cut-off point of BMI and obesity-related comorbidities and mortality in middle-aged Koreans. Obesity Research, 12(12), pp. 2031-40.
    Oh SW, et al. Cut-off Point of BMI and Obesity-related Comorbidities and Mortality in Middle-aged Koreans. Obes Res. 2004;12(12):2031-40. PubMed PMID: 15687405.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Cut-off point of BMI and obesity-related comorbidities and mortality in middle-aged Koreans. AU - Oh,Sang Woo, AU - Shin,Soon-Ae, AU - Yun,Young Ho, AU - Yoo,Taiwoo, AU - Huh,Bong-Yul, PY - 2005/2/3/pubmed PY - 2005/5/27/medline PY - 2005/2/3/entrez SP - 2031 EP - 40 JF - Obesity research JO - Obes. Res. VL - 12 IS - 12 N2 - OBJECTIVE: The need for a lower BMI to classify overweight in Asian populations has been controversial. Using both disease and mortality outcomes, we investigated whether lower BMI cut-off points are appropriate for identifying increased health risk in Koreans. RESEARCH METHODS AND PROCEDURES: We conducted a cohort study among 773,915 men and women from 30 to 59 years old with 8- to 10-year follow-up periods. Primary outcomes were change of obesity prevalence, obesity-related disease incidence, and all-cause mortality. RESULTS: Prevalence of overweight (BMI of 25.0-29.9) has steadily increased (1.3% annually), whereas obesity (BMI > or = 30) showed a lower prevalence and only a slight increase (0.1%-0.2% annually). Our study revealed that dose-response relationships exist between obesity and related disease incidences (hypertension, type 2 diabetes, and hypercholesterolemia) beginning at lower BMI levels than previously reported. Compared with those in the healthy weight range, Koreans with a BMI > or = 25 were not at greater risk of hypertension, type 2 diabetes, or hypercholesterolemia than has been reported for whites in similar studies. Obesity-related all-cause mortality also did not seem so different from that of whites. DISCUSSION: Our findings did not support the use of a lower BMI cut-off point for defining overweight in Koreans compared with whites for the purpose of identifying different risks. However, populations with BMI > or = 25 are rapidly increasing and have substantial risks of diseases. To preempt the rapid increases in obesity and related health problems that are occurring in Western countries, Korea should consider using a BMI of 25 as an action point for obesity prevention and control interventions. SN - 1071-7323 UR - https://www.unboundmedicine.com/medline/citation/15687405/Cut_off_point_of_BMI_and_obesity_related_comorbidities_and_mortality_in_middle_aged_Koreans_ L2 - https://doi.org/10.1038/oby.2004.254 DB - PRIME DP - Unbound Medicine ER -