Abstract Title:

Nut consumption is associated with lower incidence of type 2 diabetes: The Tehran Lipid and Glucose Study.

Abstract Source:

Diabetes Metab. 2016 Nov 16. Epub 2016 Nov 16. PMID: 27865656

Abstract Author(s):

G Asghari, Z Ghorbani, P Mirmiran, F Azizi

Article Affiliation:

G Asghari


AIM: Nuts are rich in unsaturated fatty acids as well as other bioactive constituents. The present study investigated the association between nut consumption and the incidence of type 2 diabetes mellitus (T2DM) in a Middle Eastern population.

METHODS: The study was conducted within the framework of the Tehran Lipid and Glucose Study (TLGS), in which 1984 participants (920 men and 1064 women) free of DM, aged≥20 years, were followed from phase III (2005-2008) to phase V (2011-2014). Dietary data were obtained from valid and reliable food-frequency questionnaires at baseline. Using multiple logistic regression, odds ratios (ORs) and 95% confidence intervals (CIs) were calculated, with adjustments for age, gender, BMI, serum cholesterol and triglycerides, smoking and energy intake.

RESULTS: Study participants' means±SD of age and of BMI were 40.1±13.1 years and 27.0±4.8kg/m(2), respectively. The median±SE of their total daily consumption of nuts was 1.19±0.11 servings. After 6.2±0.7 years of follow-up, 150 cases of T2DM were confirmed. On comparing those who consumed ≥4 servings/week with those whoconsumed<1 serving/week, the age-/energy-adjusted OR of incident T2DM for total nut consumption was 0.64 (95% CI: 0.36-1.12; P for trend = 0.03). In a fully adjusted model, nut consumption was associated with a lower risk of T2DM, and the ORs (95% CIs) of risk for those consuming 2-3.99 and ≥4 servings/week of nuts were 0.51 (0.26-0.97) and 0.47 (0.25-0.90), respectively, compared with those consuming<1 serving/week (P<0.001 for trend).

CONCLUSION: Our findings suggest that consuming≥4 servings/week of nuts reduced the risk of T2DM compared with<1 serving/week.

Study Type : Human Study

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