The high prevalence of diabetes mellitus in North American aboriginal populations may be due to recent changes in lifestyle, including the adoption of a high-fat, low-fiber diet.
To determine whether fat or fiber intakes were associated with new cases of diabetes, we studied 72% (728/1018) of residents aged>9 y from a remote aboriginal community in northern Ontario using the 75-g oral-glucose-tolerance test and 24-h dietary recall.
The mean fat intake of this population (36% of energy) was typical for North America, but fiber intake (1.2 g/MJ) was very low.
Logistic-regression analysis, adjusted for age, sex, and body mass index, showed that a 1-SD increase in fiber intake reduced the risk of having diabetes by 39% (P=0.026) whereas the same increase in protein intake increased the risk by 38% (P=0.027).
There was no significant effect of energy, fat, starch, or simple sugars.
These data support Trowell's original dietary-fiber hypothesis that « ... dietary fiber depleted starchy foods are conducive to the development of diabetes mellitus in susceptible human genotypes. ».
Mots-clés Pascal : Régime alimentaire, Habitude alimentaire, Fibre alimentaire, Protéine, Régime alimentaire enrichi, Diabète, Prévalence, Epidémiologie, Alimentation, Comportement alimentaire, Endocrinopathie, Aborigène, Homme, Origine ethnique, Amérindien
Mots-clés Pascal anglais : Diet, Food habit, Dietary fiber, Protein, Supplemented diet, Diabetes mellitus, Prevalence, Epidemiology, Feeding, Feeding behavior, Endocrinopathy, Aboriginal, Human, Ethnic origin, Amerindian
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 98-0109020
Code Inist : 002B21E01A. Création : 22/06/1998.