Dietary glycemic index and load and the risk of type 2 diabetes: Assessment of causal relations

Publikation: Bidrag til tidsskriftReviewfagfællebedømt

Dokumenter

  • Geoffrey Livesey
  • Richard Taylor
  • Helen F Livesey
  • Anette E Buyken
  • David J A Jenkins
  • Livia S A Augustin
  • John L Sievenpiper
  • Alan W Barclay
  • Simin Liu
  • Thomas M S Wolever
  • Walter C Willett
  • Furio Brighenti
  • Jordi Salas-Salvadó
  • Inger Björck
  • Salwa W Rizkalla
  • Gabriele Riccardi
  • Carlo La Vecchia
  • Antonio Ceriello
  • Antonia Trichopoulou
  • Andrea Poli
  • Og 5 flere
  • Arne Astrup
  • Cyril W C Kendall
  • Marie-Ann Ha
  • Sara Baer-Sinnott
  • Jennie Brand-Miller
While dietary factors are important modifiable risk factors for type 2 diabetes (T2D), the causal role of carbohydrate quality in nutrition remains controversial. Dietary glycemic index (GI) and glycemic load (GL) have been examined in relation to the risk of T2D in multiple prospective cohort studies. Previous meta-analyses indicate significant relations but consideration of causality has been minimal. Here, the results of our recent meta-analyses of prospective cohort studies of 4 to 26-y follow-up are interpreted in the context of the nine Bradford-Hill criteria for causality, that is: (1) Strength of Association, (2) Consistency, (3) Specificity, (4) Temporality, (5) Biological Gradient, (6) Plausibility, (7) Experimental evidence, (8) Analogy, and (9) Coherence. These criteria necessitated referral to a body of literature wider than prospective cohort studies alone, especially in criteria 6 to 9. In this analysis, all nine of the Hill’s criteria were met for GI and GL indicating that we can be confident of a role for GI and GL as causal factors contributing to incident T2D. In addition, neither
dietary fiber nor cereal fiber nor wholegrain were found to be reliable or eective surrogate measures of GI or GL. Finally, our cost–benefit analysis suggests food and nutrition advice favors lower GI or GL and would produce significant potential cost savings in national healthcare budgets. The high confidence in causal associations for incident T2D is sucient to consider inclusion of GI and GL in food and nutrient-based recommendations.
OriginalsprogEngelsk
Artikelnummer1436
TidsskriftNutrients
Vol/bind11
Udgave nummer6
Antal sider34
ISSN2072-6643
DOI
StatusUdgivet - 2019

Bibliografisk note

CURIS 2019 NEXS 222

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