期刊
BRITISH JOURNAL OF NUTRITION
卷 111, 期 2, 页码 342-352出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007114513002298
关键词
Type 2 diabetes; Carbohydrates; Nutrition; Case-cohort studies
资金
- Medical Research Council
- Cancer Research UK
- Stroke Association
- British Heart Foundation
- Research Into Ageing
- Academy of Medical Science
- Gates Cambridge scholarship
- MRC [MC_UU_12015/5, MC_UU_12015/1, MR/L003120/1, MC_UP_A100_1003] Funding Source: UKRI
- British Heart Foundation [RG/08/014/24067] Funding Source: researchfish
- Medical Research Council [G0401527, MR/L003120/1, MC_UU_12015/1, MC_UU_12015/5, MC_U106179471, MC_UP_A100_1003, G1000143] Funding Source: researchfish
- National Institute for Health Research [NF-SI-0512-10165] Funding Source: researchfish
In the present study, we investigated the association between dietary intake of carbohydrates and the risk of type 2 diabetes. Incident cases of diabetes (n 749) were identified and compared with a randomly selected subcohort of 3496 participants aged 40-79 years. For dietary assessment, we used 7d food diaries administered at baseline. We carried out modified Cox proportional hazards regression analyses and compared results obtained from the different methods of adjustment for total energy intake. Dietary intakes of total carbohydrates, starch, sucrose, lactose or maltose were not significantly related to diabetes risk after adjustment for confounders. However, in the residual method for energy adjustment, intakes of fructose and glucose were inversely related to diabetes risk. The multivariable-adjusted hazard ratios (HR) of diabetes comparing the extreme quintiles of intake were 0 center dot 79 (95% CI 0 center dot 59, 1 center dot 07; P for trend=0 center dot 03) for glucose and 0 center dot 62 (95% CI 0 center dot 46, 0 center dot 83; P for trend=0 center dot 01) for fructose. In the nutrient density method, only fructose was inversely related to diabetes risk (HR 0 center dot 65, 95% CI 0 center dot 48, 0 center dot 88). The replacement of 5% energy intake from SFA with an isoenergetic amount of fructose was associated with a 30% lower diabetes risk (HR 0 center dot 69, 95% CI 0 center dot 50, 0 center dot 96). Results of the standard and energy partition methods were similar to those of the residual method. These prospective findings suggest that the intakes of starch and sucrose are not associated, but that those of fructose and glucose are inversely associated with diabetes risk. Whether the inverse associations with fructose and glucose reflect the effect of substitution of these carbohydrate subtypes with other nutrients (i.e. SFA), their net higher intake or other nutrients associated with their intake remains to be established through further investigation.
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