Aldwairji, M

Burley, VJ

Orfila, C

White Rose Research Online

Summer Meeting, 15–18 July 2013, Nutrition and healthy ageingLegume intake and risk of type 2 diabetes in British womenM. Aldwairji, C. Orfila and V. J. BurleySchool of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, UKLegume consumption is variable between European countries, with intakes tending to be relatively low overall.(1) Very few prospectivestudies have examined the association between legume intake and risk of type 2 diabetes (T2DM)(2). The aim of this study is to determinethe relationship between legume intake and risk of T2DM among British women. The UK Women Cohort’s Study is a population-basedprospective cohort of middle-aged women. From 35,372 women who completed a 217-item food frequency questionnaire (FFQ), 12,149women also completed a follow-up questionnaire after an average of 4 years. Participants who reported a history of diabetes at baselineand those with unfeasible energy intakes were excluded from the study leaving 114 women who reported having developed diabetesduring the follow-up period and 11,982 women who remained free from diabetes. Average daily legume intake expressed as grams perday was calculated from ten food items listed in the baseline food frequency questionnaire. Dried legumes included boiled or cannedlegumes that had previously been dried, such as lentils, chickpeas, mung beans, baked beans, hummus and red kidney beans while freshlegumes included fresh, frozen or canned garden peas and green beans (runner or French). Women were divided into intake tertiles bydivision of the whole cohort into 3 equal-sized groups. Lifestyle and other dietary covariates were derived from the baseline questionnaire.Logistic regression analysis was used to determine the relationship between legume consumption and risk of incident T2DM.Table 1. Odds ratios and 95% confidence intervals of T2DM according to tertiles of total, dried and fresh legume intakes in 12,096 British womenTypeLegume intakeT2DM CasesOR (95%CI)Tertile Range g/day Age adjusted model Full adjusted modelDried legumes 1 <21.3 55 1 12 21.3–41.9 22 0.41 (0.25, 0.68) 0.49 (0.29, 0.84)3 ‡ 42 37 0.72 (0.47, 1.12) 0.85 (0.52, 0.84)P for trend 114 <0.01 0.03Fresh legumes 1 <15 30 1 12 15–37 42 1.31 (0.82, 2.1) 1.41 (0.84, 2.37)3 ‡ 37 42 1.29 (0.80, 2.1) 1.51 (0.89, 2.59)P for trend 114 0.46 0.27Total legumes 1 <46 38 1 12 46–80 33 0.82 (0.51, 1.31) 0.89 (0.53, 1.49)3 ‡ 80 43 1.12 (0.71, 1.74) 1.33 (0.80, 2.22)P for trend 114 0.41 0.25Table 1 presents results from an age-adjusted and a multivariable-adjusted model which additionally included, energy intake, smokingstatus, adult weight change, socioeconomic status (professional, intermediate and manual), alcohol intake (g/day), physical activity leveland family history of diabetes. Using both models, women in the highest two intake tertiles for dried legumes experienced significantlyreduced odds of incident T2DM than women in the lowest intake category. In contrast, odds tended to be elevated in the higherconsumption groups of fresh legumes, although this relationship was not statistically significant. These results support findings from anearlier observational study conducted in China that consumption of legumes, was inversely associated with the risk of type 2 diabetes(2).1. Schneider AV (2002) Br J Nutr 88, 243–250.2. Villegas R, Gao YT, Yang G et al. (2008) Am J Clin Nutr 87, 162–167.Proceedings of the Nutrition Society (2013), 72 (OCE4), E275 doi:10.1017/S0029665113003005https://doi.org/10.1017/S0029665113003005Downloaded from https://www.cambridge.org/core. University of Leeds, on 08 Sep 2017 at 11:48:11, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms.

Legume intake and risk of type 2 diabetes in British women

M. Aldwairji

C. Orfila

V. J. Burley

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Proceedings of The Nutrition Society

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Legume intake and risk of type 2 diabetes in British women

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