The association between the ratio of triglyceride to HDL-C and insulin resistance according to waist circumference in a rural Korean population

H. T. Kang, JinHa Yoon, J. Y. Kim, S. K. Ahn, J. A. Linton, Sangbaek Koh, J. K. Kim

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Abstract

Background and aims: This study aimed to examine the association between an increased ratio of triglyceride (TG) to high-density lipoprotein cholesterol (HDL-C) and insulin resistance as well as to investigate the interactive effect of TG/HDL-C and waist circumference on insulin resistance in a rural Korean population. Methods and results: This study, employing a cross-sectional design, included 8411 participants from the Korean Genomic Rural Cohort Study. Levels of fasting insulin, lipid profiles and anthropometric data were assessed for all participants. Insulin resistance was defined as a value greater than the 75th percentile on the homeostasis model assessment of insulin resistance (HOMA-IR). The TG/HDL-C ratio was positively correlated with waist circumference, total cholesterol, low-density lipoprotein cholesterol (LDL-C), TG and HOMA-IR, and negatively correlated with HDL-C when the calculations were controlled for gender. In comparison with the lowest quartile group of TG/HDL-C (≤1.92 in men, ≤1.63 in women), the odds ratios (ORs) (95% confidence interval) for insulin resistance in the highest quartile group of TG/HDL-C (>4.90 in men, >3.93 in women) were 2.33 (1.72-3.16) in men and 2.16 (1.73-2.71) in women, after adjusting for multiple covariates including waist circumference. Following stratification of waist circumference into quartiles, the effect of TG/HDL-C on insulin resistance remained significant irrespective of the waist circumference quartile. Conclusion: The TG/HDL-C ratio was linearly associated with insulin resistance in a rural Korean cohort independently of waist circumference in both genders, albeit not interactive.

Original languageEnglish
Pages (from-to)1054-1060
Number of pages7
JournalNutrition, Metabolism and Cardiovascular Diseases
Volume22
Issue number12
DOIs
Publication statusPublished - 2012 Dec 1

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Waist Circumference
Rural Population
HDL Cholesterol
Insulin Resistance
Triglycerides
Homeostasis
LDL Cholesterol
Fasting
Cohort Studies
Odds Ratio
Cholesterol
Confidence Intervals
Insulin
Lipids

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics
  • Cardiology and Cardiovascular Medicine

Cite this

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title = "The association between the ratio of triglyceride to HDL-C and insulin resistance according to waist circumference in a rural Korean population",
abstract = "Background and aims: This study aimed to examine the association between an increased ratio of triglyceride (TG) to high-density lipoprotein cholesterol (HDL-C) and insulin resistance as well as to investigate the interactive effect of TG/HDL-C and waist circumference on insulin resistance in a rural Korean population. Methods and results: This study, employing a cross-sectional design, included 8411 participants from the Korean Genomic Rural Cohort Study. Levels of fasting insulin, lipid profiles and anthropometric data were assessed for all participants. Insulin resistance was defined as a value greater than the 75th percentile on the homeostasis model assessment of insulin resistance (HOMA-IR). The TG/HDL-C ratio was positively correlated with waist circumference, total cholesterol, low-density lipoprotein cholesterol (LDL-C), TG and HOMA-IR, and negatively correlated with HDL-C when the calculations were controlled for gender. In comparison with the lowest quartile group of TG/HDL-C (≤1.92 in men, ≤1.63 in women), the odds ratios (ORs) (95{\%} confidence interval) for insulin resistance in the highest quartile group of TG/HDL-C (>4.90 in men, >3.93 in women) were 2.33 (1.72-3.16) in men and 2.16 (1.73-2.71) in women, after adjusting for multiple covariates including waist circumference. Following stratification of waist circumference into quartiles, the effect of TG/HDL-C on insulin resistance remained significant irrespective of the waist circumference quartile. Conclusion: The TG/HDL-C ratio was linearly associated with insulin resistance in a rural Korean cohort independently of waist circumference in both genders, albeit not interactive.",
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The association between the ratio of triglyceride to HDL-C and insulin resistance according to waist circumference in a rural Korean population. / Kang, H. T.; Yoon, JinHa; Kim, J. Y.; Ahn, S. K.; Linton, J. A.; Koh, Sangbaek; Kim, J. K.

In: Nutrition, Metabolism and Cardiovascular Diseases, Vol. 22, No. 12, 01.12.2012, p. 1054-1060.

Research output: Contribution to journalArticle

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AU - Kang, H. T.

AU - Yoon, JinHa

AU - Kim, J. Y.

AU - Ahn, S. K.

AU - Linton, J. A.

AU - Koh, Sangbaek

AU - Kim, J. K.

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N2 - Background and aims: This study aimed to examine the association between an increased ratio of triglyceride (TG) to high-density lipoprotein cholesterol (HDL-C) and insulin resistance as well as to investigate the interactive effect of TG/HDL-C and waist circumference on insulin resistance in a rural Korean population. Methods and results: This study, employing a cross-sectional design, included 8411 participants from the Korean Genomic Rural Cohort Study. Levels of fasting insulin, lipid profiles and anthropometric data were assessed for all participants. Insulin resistance was defined as a value greater than the 75th percentile on the homeostasis model assessment of insulin resistance (HOMA-IR). The TG/HDL-C ratio was positively correlated with waist circumference, total cholesterol, low-density lipoprotein cholesterol (LDL-C), TG and HOMA-IR, and negatively correlated with HDL-C when the calculations were controlled for gender. In comparison with the lowest quartile group of TG/HDL-C (≤1.92 in men, ≤1.63 in women), the odds ratios (ORs) (95% confidence interval) for insulin resistance in the highest quartile group of TG/HDL-C (>4.90 in men, >3.93 in women) were 2.33 (1.72-3.16) in men and 2.16 (1.73-2.71) in women, after adjusting for multiple covariates including waist circumference. Following stratification of waist circumference into quartiles, the effect of TG/HDL-C on insulin resistance remained significant irrespective of the waist circumference quartile. Conclusion: The TG/HDL-C ratio was linearly associated with insulin resistance in a rural Korean cohort independently of waist circumference in both genders, albeit not interactive.

AB - Background and aims: This study aimed to examine the association between an increased ratio of triglyceride (TG) to high-density lipoprotein cholesterol (HDL-C) and insulin resistance as well as to investigate the interactive effect of TG/HDL-C and waist circumference on insulin resistance in a rural Korean population. Methods and results: This study, employing a cross-sectional design, included 8411 participants from the Korean Genomic Rural Cohort Study. Levels of fasting insulin, lipid profiles and anthropometric data were assessed for all participants. Insulin resistance was defined as a value greater than the 75th percentile on the homeostasis model assessment of insulin resistance (HOMA-IR). The TG/HDL-C ratio was positively correlated with waist circumference, total cholesterol, low-density lipoprotein cholesterol (LDL-C), TG and HOMA-IR, and negatively correlated with HDL-C when the calculations were controlled for gender. In comparison with the lowest quartile group of TG/HDL-C (≤1.92 in men, ≤1.63 in women), the odds ratios (ORs) (95% confidence interval) for insulin resistance in the highest quartile group of TG/HDL-C (>4.90 in men, >3.93 in women) were 2.33 (1.72-3.16) in men and 2.16 (1.73-2.71) in women, after adjusting for multiple covariates including waist circumference. Following stratification of waist circumference into quartiles, the effect of TG/HDL-C on insulin resistance remained significant irrespective of the waist circumference quartile. Conclusion: The TG/HDL-C ratio was linearly associated with insulin resistance in a rural Korean cohort independently of waist circumference in both genders, albeit not interactive.

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