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Background: Moderate alcohol consumption is associated with a decreased risk of type 2 diabetes. However, the relationship between drinking patterns, such as the weekly frequency of alcohol consumption and the quantity per drinking day, and the incidence of type 2 diabetes has not been sufficiently addressed., Methods: Study participants included 10 631 Japanese men aged 40-55 years without type 2 diabetes at entry. Type 2 diabetes was diagnosed if a fasting plasma glucose level was ≥7.0 mmol/l or if participants were taking diabetes medications. Data on alcohol consumption were obtained from questionnaires., Results: During the 37 172 person-years of follow-up, we confirmed 878 cases of type 2 diabetes. Frequent alcohol consumption was associated with a low risk of type 2 diabetes. Compared to non-drinkers, the multiple-adjusted HR for those who drank 4-7 days weekly was 0.76 (95% CI, 0.63 to 0.92). To assess the association between drinking pattern and type 2 diabetes, we examined the joint association of the weekly frequency and the quantity per drinking day with type 2 diabetes. Men who consumed 0.1-2.0 or 2.1-4.0 US standard drinks per drinking day on 4-7 days weekly had a lower risk of type 2 diabetes (HR 0.74, 95% CI 0.58 to 0.95; HR 0.74, 95% CI 0.60 to 0.91, respectively) compared to non-drinkers., Conclusions: More frequent alcohol consumption lowered the risk of type 2 diabetes. Light to moderate alcohol consumption per drinking day on 4-7 days weekly lowered the risk of type 2 diabetes compared to non-drinkers.

Objective: It has been reported that moderate alcohol consumption decreased the risk of type 2 diabetes but that elevated liver enzymes increased it. The comparative importance of alcohol consumption and liver enzymes as predictors of type 2 diabetes remains unconfirmed., Research Design and Methods: The participants included 8,576 Japanese men, aged 40-55 years, without type 2 diabetes at entry. Type 2 diabetes was diagnosed if a fasting plasma glucose level was >or=126 mg/dl or if participants were taking oral hypoglycemic medications or insulin., Results: During the 4-year follow-up period, we confirmed 878 cases. In multivariate models, moderate daily alcohol consumption (16.4-42.6 g ethanol/day) decreased the risk of type 2 diabetes, and higher levels of gamma-glutamyltransferase (GGT) and alanine aminotransferase (ALT) increased the risk. In joint analyses of alcohol consumption and liver enzymes, moderate drinkers with the lowest tertile of GGT had the lowest risk of type 2 diabetes. Compared with them, nondrinkers with the highest GGT had the highest risk of type 2 diabetes (odds ratio 3.18 [95% CI 1.75-5.76]). At every level of GGT, moderate or heavy alcohol drinkers (>or=42.7 g ethanol/day) had a lower risk of type 2 diabetes than nondrinkers. The relationship of ALT and daily alcohol consumption with the risk of type 2 diabetes was almost the same as that of GGT., Conclusions: GGT, ALT, and daily alcohol consumption were independently associated with the risk of type 2 diabetes. Nondrinkers with the highest GGT or ALT had a high risk of type 2 diabetes.

Background Moderate alcohol consumption is associated with a decreased risk of type 2 diabetes. However, the relationship between drinking patterns, such as the weekly frequency of alcohol consumption and the quantity per drinking day, and the incidence of type 2 diabetes has not been sufficiently addressed. Methods Study participants included 10 631 Japanese men aged 40e55 years without type 2 diabetes at entry. Type 2 diabetes was diagnosed if a fasting plasma glucose level was $7.0 mmol/l or if participants were taking diabetes medications. Data on alcohol consumption were obtained from questionnaires. Results During the 37 172 person-years of follow-up, we confirmed 878 cases of type 2 diabetes. Frequent alcohol consumption was associated with a low risk of type 2 diabetes. Compared to non-drinkers, the multiple-adjusted HR for those who drank 4e7 days weekly was 0.76 (95% CI, 0.63 to 0.92). To assess the association between drinking pattern and type 2 diabetes, we examined the joint association of the weekly frequency and the quantity per drinking day with type 2 diabetes. Men who consumed 0.1e2.0 or 2.1e4.0 US standard drinks per drinking day on 4e7 days weekly had a lower risk of type 2 diabetes (HR 0.74, 95% CI 0.58 to 0.95; HR 0.74, 95% CI 0.60 to 0.91, respectively) compared to non-drinkers. Conclusions More frequent alcohol consumption lowered the risk of type 2 diabetes. Light to moderate alcohol consumption per drinking day on 4e7 days weekly lowered the risk of type 2 diabetes compared to non-drinkers. [ABSTRACT FROM AUTHOR]

The article discusses a study on the relationship between walking to work and the development of type 2 diabetes in Japanese men. It mentions that studies revealed that physical activity is effective in preventing diabetes. Men were examined based on their leisure-time physical activity, smoking habits and alcohol intake. The result of the study provided evidence that duration of the walk going to work has an independent effect on the risk of type 2 diabetes.