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The association between dietary glycemic and insulin indices with incidence of cardiovascular disease: Tehran lipid and glucose study
Authors
F. Azizi
H. Farhadnejad
+3 more
P. Mirmiran
M. Nazarzadeh
F. Teymoori
Publication date
1 January 2020
Publisher
'Springer Science and Business Media LLC'
Abstract
Background: The present study was conducted to investigate the association of dietary insulin index(II), insulin load(IL), glycemic index(GI), and glycemic load(GL) with the risk of cardiovascular disease(CVD). Methods: This cohort study was conducted within the framework of the Tehran Lipid and Glucose Study on 2198 subjects, aged�19 years old, who were followed-up for a median (IQR) 6.7 (6.1-7.1) years. Dietary GI, GL, II, and IL were calculated using a food frequency questionnaire at the baseline. Multivariate Cox proportional hazard regression models were used to estimate the risk of CVD across quartiles of dietary insulin and glycemic indices. Results: Mean ± SD age of the subjects(44.9 men) was 38.3 ± 13.4 years. During a mean of 2406 ± 417 person-years of follow-up, 76(3.5) new cases of the CVD were ascertained. The mean ± SD of II, IL, GI, and GL of participants were 51.7 ± 6.5, 235.8 ± 90.2, 61.9 ± 7.8, and 202.2 ± 78.1, respectively. After adjusting for the variables of age, sex, smoking, physical activity, daily energy intake, body mass index, diabetes, and hypertension, the hazard ratio (HR) of the highest quartile of dietary GL was 2.77(95CI:1.00-7.69,P for trend:0.033) compared to the lowest one. Also, each one SD increase in the GL score was associated with a higher risk of CVD(RR:1.46;CI:1.00-2.16),P-value = 0.047. However, there was no significant association between the dietary GI, II, and IL and risk for CVD incidence. Conclusions: Our results suggested that a high GL diet can increase the incidence of CVD, whereas high dietary II and IL were not associated with the risk of CVD among adults. © 2020 The Author(s)
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Last time updated on 11/10/2021