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1.	Miller, Victoria, et al. (författare) Associations of the glycaemic index and the glycaemic load with risk of type 2 diabetes in 127594 people from 20 countries (PURE): a prospective cohort study 2024 Ingår i: The Lancet Diabetes and Endocrinology. - 2213-8587 .- 2213-8595. ; 12, s. 330-338 Tidskriftsartikel (refereegranskat)abstract Background: The association between the glycaemic index and the glycaemic load with type 2 diabetes incidence is controversial. We aimed to evaluate this association in an international cohort with diverse glycaemic index and glycaemic load diets. Methods: The PURE study is a prospective cohort study of 127 594 adults aged 35–70 years from 20 high-income, middle-income, and low-income countries. Diet was assessed at baseline using country-specific validated food frequency questionnaires. The glycaemic index and the glycaemic load were estimated on the basis of the intake of seven categories of carbohydrate-containing foods. Participants were categorised into quintiles of glycaemic index and glycaemic load. The primary outcome was incident type 2 diabetes. Multivariable Cox Frailty models with random intercepts for study centre were used to calculate hazard ratios (HRs). Findings: During a median follow-up of 11·8 years (IQR 9·0–13·0), 7326 (5·7%) incident cases of type 2 diabetes occurred. In multivariable adjusted analyses, a diet with a higher glycaemic index was significantly associated with a higher risk of diabetes (quintile 5 vs quintile 1; HR 1·15 [95% CI 1·03–1·29]). Participants in the highest quintile of the glycaemic load had a higher risk of incident type 2 diabetes compared with those in the lowest quintile (HR 1·21, 95% CI 1·06–1·37). The glycaemic index was more strongly associated with diabetes among individuals with a higher BMI (quintile 5 vs quintile 1; HR 1·23 [95% CI 1·08–1·41]) than those with a lower BMI (quintile 5 vs quintile 1; 1·10 [0·87–1·39]; p interaction=0·030). Interpretation: Diets with a high glycaemic index and a high glycaemic load were associated with a higher risk of incident type 2 diabetes in a multinational cohort spanning five continents. Our findings suggest that consuming low glycaemic index and low glycaemic load diets might prevent the development of type 2 diabetes. Funding: Full funding sources are listed at the end of the Article.

Miller, Victoria, et al. (författare)
Associations of the glycaemic index and the glycaemic load with risk of type 2 diabetes in 127594 people from 20 countries (PURE): a prospective cohort study
2024
Ingår i: The Lancet Diabetes and Endocrinology. - 2213-8587 .- 2213-8595. ; 12, s. 330-338
Tidskriftsartikel (refereegranskat)abstract
- Background: The association between the glycaemic index and the glycaemic load with type 2 diabetes incidence is controversial. We aimed to evaluate this association in an international cohort with diverse glycaemic index and glycaemic load diets. Methods: The PURE study is a prospective cohort study of 127 594 adults aged 35–70 years from 20 high-income, middle-income, and low-income countries. Diet was assessed at baseline using country-specific validated food frequency questionnaires. The glycaemic index and the glycaemic load were estimated on the basis of the intake of seven categories of carbohydrate-containing foods. Participants were categorised into quintiles of glycaemic index and glycaemic load. The primary outcome was incident type 2 diabetes. Multivariable Cox Frailty models with random intercepts for study centre were used to calculate hazard ratios (HRs). Findings: During a median follow-up of 11·8 years (IQR 9·0–13·0), 7326 (5·7%) incident cases of type 2 diabetes occurred. In multivariable adjusted analyses, a diet with a higher glycaemic index was significantly associated with a higher risk of diabetes (quintile 5 vs quintile 1; HR 1·15 [95% CI 1·03–1·29]). Participants in the highest quintile of the glycaemic load had a higher risk of incident type 2 diabetes compared with those in the lowest quintile (HR 1·21, 95% CI 1·06–1·37). The glycaemic index was more strongly associated with diabetes among individuals with a higher BMI (quintile 5 vs quintile 1; HR 1·23 [95% CI 1·08–1·41]) than those with a lower BMI (quintile 5 vs quintile 1; 1·10 [0·87–1·39]; p interaction=0·030). Interpretation: Diets with a high glycaemic index and a high glycaemic load were associated with a higher risk of incident type 2 diabetes in a multinational cohort spanning five continents. Our findings suggest that consuming low glycaemic index and low glycaemic load diets might prevent the development of type 2 diabetes. Funding: Full funding sources are listed at the end of the Article.

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