A randomized intervention trial of 24-wk dairy consumption on waist circumference, blood pressure, and fasting blood sugar and lipids in Japanese men with metabolic syndrome
Abstract
Dairy foods are postulated to have beneficial effects on blood pressure, body fat, serum lipids, and the incidence of type 2 diabetes. To evaluate the effects of the consumption of milk and dairy products, we performed a randomized dietary intervention trial for 24 wk in Japanese men, aged 20 to 60 y, with 2 or more components of the metabolic syndrome ( UMIN000006353). Subjects were randomized to a control group (n=98) that received dietary intervention focused on weight control supervised by registered dietitians, and a dairy-consumption group (n=102) that received both dietary intervention and regular home dairy delivery of 400 g/d for 24 wk. Co-primary endpoints included waist circumference, blood pressure, fasting blood sugar (FBS), and serum lipids. The dietary intervention decreased energy intake from 2,150 to 1,850 kcal/d in both groups (p<0.01). Mean rates of compliance with the dairy-consumption intervention were over 90%, resulting in increased calcium intake in the dairy-consumption group from 329 to 667 mg/d (p<0.01). Co-primary endpoints improved in both groups, but the degree of improvement was smaller in the dairy-consumption group (one-sided p=0.99). Subgroup analyses specified in the study protocol identified ...Continue Reading
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