Waist circumference, body mass index and glycated hemoglobin in Japanese men and women

Daigo Yoshida, Kengo Toyomura, Jin Fukumoto, Naoyuki Ueda, Ohnaka Keizo, Masahiro Adachi, Ryoichi Takayanagi, Suminori Kono

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Aims: To investigate the relationship of waist circumference and body mass index (BMI) with glycated hemoglobin (HbA1c) concentrations and to define optimal cutoffs for these indices with respect to elevated HbA1c (>5.8%). Methods: Study subjects were 7731 Japanese men and women aged 50-74 years in Fukuoka City who participated in the baseline survey of a cohort study on lifestyle-related diseases. Linear regression analysis and logistic regression analysis were used with and without adjustment for age, smoking, alcohol use and physical activity. Receiver operating characteristic (ROC) curve analysis was performed to determine optimal cutoffs for the obesity indices. Results: Waist circumference and BMI were linearly related to HbA1c concentrations in men and women with almost the same magnitude in strength. With adjustment for the covariates, mean percent changes of HbA1c per one standard deviation (S.D.) of waist circumference and BMI were 1.6% and 1.8% respectively in men, and 1.3% and 1.4% respectively in women. Adjusted odds ratios of elevated HbA1c per one S.D. of waist circumference and BMI also showed statistically significant increases. Optimal cutoffs for waist circumference were 89 cm for men and 85 cm for women. The area under the ROC curve was much greater in women than in men. Conclusions: In a population of middle-aged or elderly Japanese men and women, both waist circumference and BMI were strongly, positively associated with HbA1c concentrations. The determined optimal cutoff points for waist circumference did not support the current Japanese criterion for abdominal adiposity.

Original languageEnglish
Pages (from-to)7-11
Number of pages5
JournalDiabetes and Metabolic Syndrome: Clinical Research and Reviews
Volume3
Issue number1
DOIs
Publication statusPublished - Jan 1 2009

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Glycosylated Hemoglobin A
Waist Circumference
Body Mass Index
ROC Curve
Regression Analysis
Adiposity
Life Style
Linear Models
Cohort Studies
Obesity
Logistic Models
Smoking
Odds Ratio
Alcohols
Exercise
Population

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism

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Waist circumference, body mass index and glycated hemoglobin in Japanese men and women. / Yoshida, Daigo; Toyomura, Kengo; Fukumoto, Jin; Ueda, Naoyuki; Keizo, Ohnaka; Adachi, Masahiro; Takayanagi, Ryoichi; Kono, Suminori.

In: Diabetes and Metabolic Syndrome: Clinical Research and Reviews, Vol. 3, No. 1, 01.01.2009, p. 7-11.

Research output: Contribution to journalArticle

Yoshida, Daigo ; Toyomura, Kengo ; Fukumoto, Jin ; Ueda, Naoyuki ; Keizo, Ohnaka ; Adachi, Masahiro ; Takayanagi, Ryoichi ; Kono, Suminori. / Waist circumference, body mass index and glycated hemoglobin in Japanese men and women. In: Diabetes and Metabolic Syndrome: Clinical Research and Reviews. 2009 ; Vol. 3, No. 1. pp. 7-11.
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