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Association of a New Measure of Obesity with Hypertension and Health-Related Quality of Life

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  • Wankyo Chung
  • Chun Gun Park
  • Ohk-Hyun Ryu

Abstract

Background: Despite its shortcomings, body mass index (BMI) has traditionally been used to define obesity. Another recently introduced obesity measure, A Body Shape Index (ABSI), has been introduced to focus on abdominal obesity, but its applicability remains limited. We analyzed the statistical properties of the ABSI and propose a modified ABSI, the z-score of the log-transformed ABSI (LBSIZ), to improve its applicability. We also examined the sensitivity of the newly introduced index in diagnosing obesity based on the percentage of body fat and its ability to predict hypertension and impaired health-related quality of life (HRQOL). Methods and Results: We transformed the ABSI to the LBSIZ in order to create a standard normalized obesity measure. All available data from the Korea National Health and Nutrition Examination Survey (KNHANES) (1998–2012) have shown BMI to be highly correlated with weight (r = 0.85 for women, r = 0.87 for men) and waist circumference (WC) (r = 0.86 for women, r = 0.85 for men), but the LBSIZ was found to be weakly correlated with weight (r = 0.001 for women, r = 0.0001 for men) and moderately correlated with WC (r = 0.51 for women, r = 0.52 for men). BMI showed an inverted U-shaped pattern when plotted against age, but a linear pattern was observed for the LBSIZ, indicating they are different kinds of obesity measures. Logistic regression showed that the odds ratio of obesity for the LBSIZ was 1.86 (95% confidence interval [CI] = 1.73–2.00) for males and 1.32 (95% CI = 1.24–1.40) for females after adjusting for weight, height, age, and year of participation in the KNHANES. While both BMI and the LBSIZ were significantly related to hypertension, the LBSIZ alone was significantly associated with impaired HRQOL. Conclusions: The LBSIZ is a standard normalized obesity measure independent of weight, height, and BMI. LBSIZ is a new measure of abdominal obesity with the ability to predict hypertension and impaired HRQOL, irrespective of BMI.

Suggested Citation

  • Wankyo Chung & Chun Gun Park & Ohk-Hyun Ryu, 2016. "Association of a New Measure of Obesity with Hypertension and Health-Related Quality of Life," PLOS ONE, Public Library of Science, vol. 11(5), pages 1-10, May.
    • Handle: RePEc:plo:pone00:0155399
    DOI: 10.1371/journal.pone.0155399
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    Cited by:

    1. Martina Gažarová & Maroš Bihari & Marta Lorková & Petra Lenártová & Marta Habánová, 2022. "The Use of Different Anthropometric Indices to Assess the Body Composition of Young Women in Relation to the Incidence of Obesity, Sarcopenia and the Premature Mortality Risk," IJERPH, MDPI, vol. 19(19), pages 1-17, September.
    2. Nir Y. Krakauer & Jesse C. Krakauer, 2020. "Association of Body Shape Index (ABSI) with Hand Grip Strength," IJERPH, MDPI, vol. 17(18), pages 1-12, September.
    3. Esposito, Lucio & Villaseñor, Adrián & Rodríguez, Enrique Cuevas & Millett, Christopher, 2020. "The economic gradient of obesity in Mexico: Independent predictive roles of absolute and relative wealth by gender," Social Science & Medicine, Elsevier, vol. 250(C).

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