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  • Fruit and vegetable intake ...
    COOPER, A. J; FOROUHI, N. G; DAHM, C. C; DE LAUZON-GUILLAIN, B; FAGHERAZZI, G; FRANKS, P. W; GONZALEZ, C; GRIONI, S; KAAKS, R; KEY, T. J; MASALA, G; NAVARRO, C; YE, Z; NILSSON, P; OVERVAD, K; PANICO, S; RAMON QUIROS, J; ROLANDSSON, O; ROSWALL, N; SACERDOTE, C; SANCHEZ, M.-J; SLIMANI, N; SLUIJS, I; BUIJSSE, B; SPIJKERMAN, Amw; TEUCHER, B; TJONNELAND, A; TUMINO, R; SHARP, S. J; LANGENBERG, C; FESKENS, Ejm; RIBOLI, E; WAREHAM, N. J; ARRIOLA, L; BALKAU, B; BARRICARTE, A; BEULENS, Jwj; BOEING, H; BÜCHNER, F. L

    European journal of clinical nutrition, 10/2012, Letnik: 66, Številka: 10
    Journal Article

    Fruit and vegetable intake (FVI) may reduce the risk of type 2 diabetes (T2D), but the epidemiological evidence is inconclusive. The aim of this study is to examine the prospective association of FVI with T2D and conduct an updated meta-analysis. In the European Prospective Investigation into Cancer-InterAct (EPIC-InterAct) prospective case-cohort study nested within eight European countries, a representative sample of 16,154 participants and 12,403 incident cases of T2D were identified from 340,234 individuals with 3.99 million person-years of follow-up. For the meta-analysis we identified prospective studies on FVI and T2D risk by systematic searches of MEDLINE and EMBASE until April 2011. In EPIC-InterAct, estimated FVI by dietary questionnaires varied more than twofold between countries. In adjusted analyses the hazard ratio (95% confidence interval) comparing the highest with lowest quartile of reported intake was 0.90 (0.80-1.01) for FVI; 0.89 (0.76-1.04) for fruit and 0.94 (0.84-1.05) for vegetables. Among FV subtypes, only root vegetables were inversely associated with diabetes 0.87 (0.77-0.99). In meta-analysis using pooled data from five studies including EPIC-InterAct, comparing the highest with lowest category for FVI was associated with a lower relative risk of diabetes (0.93 (0.87-1.00)). Fruit or vegetables separately were not associated with diabetes. Among FV subtypes, only green leafy vegetable (GLV) intake (relative risk: 0.84 (0.74-0.94)) was inversely associated with diabetes. Subtypes of vegetables, such as root vegetables or GLVs may be beneficial for the prevention of diabetes, while total FVI may exert a weaker overall effect.