WHOLE-GRAIN INTAKE AND THE PREVALENCE OF HYPERTRIGLYCERIDEMIC WAIST PHENOTYPE IN TEHRANI ADULTS

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ESMAEILZADEH A.; MIRMIRAN PARVIN; AZIZI FEREYDOUN

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Journal: Researcher Bulletin of Medical Sciences Year:2005 | Volume:10 | Issue:4 (46) Page(s): 215-225

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Title

WHOLE-GRAIN INTAKE AND THE PREVALENCE OF HYPERTRIGLYCERIDEMIC WAIST PHENOTYPE IN TEHRANI ADULTS

Author(s)

ESMAEILZADEH A. | MIRMIRAN PARVIN | AZIZI FEREYDOUN | Issue Writer Certificate

Keywords

WHOLE-GRAINQ3

REFINED GRAINQ4

HYPERTRIGLYCERIDEMIAQ3

WAIST CIRCUMFERENCEQ4

CARDIOVASCULARQ4

RISK FACTORSQ4

Abstract

Background: Although dietary guidelines recommend increased intake of grain products to prevent chronic diseases, no epidemiologic data exist regarding WHOLE-GRAIN intake association with hypertriglyceridemic waist phenotype. This study was conducted to evaluate the relationship between WHOLE-GRAIN intakes and the prevalence of hypertriglyceridemic waist phenotype in Tehrani adults.Materials and Methods: This population-based cross-sectional study was conducted on 827 subjects (357 men and 470 women) aged 18-74 years randomly selected from among participants of the Tehran Lipid and Glucose Study. Usual dietary intake was assessed using a food frequency questionnaire for one year. The procedure developed by Jacobs et al was used to classify grain products into whole- and REFINED GRAINs. Weight and height were measured according to standard protocols and body mass index was calculated. Fasting blood samples were taken for biochemical measurements. Blood pressure was measured according to standard protocol. Cut off points of serum triglyceride concentration and waist girth used to define hypertriglyceridemic waist phenotype were 150 mg/dl for both genders and 80 cm for men and 79 cm for women, respectively. Subjects were categorized into four groups based on the mentioned cut-points: TgHWH, TgLWH, TgHWL, TgLWL. Subjects were categorized based on quartile cut-points of whole- and refined-grain intake.Results: Mean (±SD) consumptions of whole- and REFINED GRAINs were 93±29 and 201±57 gld, respectively. Both men and women reported higher intakes of REFINED GRAIN than of WHOLE-GRAINs. Compared with subjects in the lower quartile category, those in the upper category of WHOLE-GRAIN Intake had lower prevalence of TgHWH phenotype (29% vs 44%, P<0.05). Conversely, those in the upper category of REFINED GRAIN intake had higher prevalence of this phenotype (45% vs 27%, P<0.05). After controlling for confounders, a significantly decreasing trend was observed for the risk of having hypertriglyceridemic waist phenotype among quartile categories of WHOLE-GRAIN intake (odds ratios among quartiles: 1.00, 0.95, 0.90, 0.78, respectively). Higher consumption of REFINED GRAINs was associated with higher odds of having hypertriglyceridemic waist phenotype (1.00, 1.38, 1.65, 2.1).Conclusion: Whole grain intake is inversely and REFINED GRAIN intake is positively associated with the risk of having hypertriglyceridemic waist phenotype. Further studies are required to assess the responsible mechanisms of actions of whole- and refined-grain intakes on metabolic risks.

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APA: Copy

ESMAEILZADEH, A., MIRMIRAN, PARVIN, & AZIZI, FEREYDOUN. (2005). WHOLE-GRAIN INTAKE AND THE PREVALENCE OF HYPERTRIGLYCERIDEMIC WAIST PHENOTYPE IN TEHRANI ADULTS. RESEARCHER BULLETIN OF MEDICAL SCIENCES (PEJOUHANDEH), 10(4 (46)), 215-225. SID. https://sid.ir/paper/18467/en

Vancouver: Copy

ESMAEILZADEH A., MIRMIRAN PARVIN, AZIZI FEREYDOUN. WHOLE-GRAIN INTAKE AND THE PREVALENCE OF HYPERTRIGLYCERIDEMIC WAIST PHENOTYPE IN TEHRANI ADULTS. RESEARCHER BULLETIN OF MEDICAL SCIENCES (PEJOUHANDEH)[Internet]. 2005;10(4 (46)):215-225. Available from: https://sid.ir/paper/18467/en

IEEE: Copy

A. ESMAEILZADEH, PARVIN MIRMIRAN, and FEREYDOUN AZIZI, “WHOLE-GRAIN INTAKE AND THE PREVALENCE OF HYPERTRIGLYCERIDEMIC WAIST PHENOTYPE IN TEHRANI ADULTS,” RESEARCHER BULLETIN OF MEDICAL SCIENCES (PEJOUHANDEH), vol. 10, no. 4 (46), pp. 215–225, 2005, [Online]. Available: https://sid.ir/paper/18467/en

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