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Title: Yogurt consumption is associated with longitudinal changes of body weight and waist circumference: the framingham study

Author
item WANG, HUIFEN - Jean Mayer Human Nutrition Research Center On Aging At Tufts University
item ROGERS, GAIL - Jean Mayer Human Nutrition Research Center On Aging At Tufts University
item FOX, CAROLINE - Framingham Heart Study
item MEIGS, JAMES - Massachusetts General Hospital
item JACQUES, PAUL - Jean Mayer Human Nutrition Research Center On Aging At Tufts University

Submitted to: Annals Of Epidemiology
Publication Type: Abstract Only
Publication Acceptance Date: 9/8/2012
Publication Date: 9/8/2012
Citation: Wang, H., Rogers, G., Fox, C.S., Meigs, J.B., Jacques, P.F. 2012. Yogurt consumption is associated with longitudinal changes of body weight and waist circumference: the framingham study. Annals Of Epidemiology. 22(9):673.

Interpretive Summary:

Technical Abstract: Yogurt, as a low-fat, nutrient-dense dairy product, may be beneficial in preventing weight gain. We aimed to examine the longitudinal association between yogurt consumption and annualized change in weight and waist circumference (WC) among adults. We included 3,285 adults (11,169 observations) participating in the FHS Offspring Cohort (exam 5 to 8 [1998-2001 to 2005-2008]). In each exam, dietary intake was assessed by a validated food frequency questionnaire; weight and WC were measured following standardized procedures. Repeated measures models were used for the longitudinal analyses by controlling, as appropriate, for weight and WC at exam 5 (baseline) and other time-varying or invariant covariates. At baseline, mean [SD] weight and WC were 77.5 [16.7] kg and 92.5 [14.2] cm, respectively; 42% of participants consumed yogurt (i.e. >0 servings/week). On average participants gained weight and WC over time, while the yogurt intake also increased. After adjusting for baseline WC and other covariates (e.g. diet quality), people with higher yogurt intake (i.e. >4.08% of total energy) had 0.11cm (95%CI=0.02-0.20cm) smaller annualized increment of WC than non-consumers during follow-up (Ptrend=0.01). Similar but weaker association was found for weight change. Adjusting for baseline weight (or WC), demographic and lifestyle factors, metabolic profile, and medication use, participants who increased yogurt intake over time had lower rate of gain in weight (0.15kg/year, P<0.001) and WC (0.11cm/year, P=0.005) than those with decreased intake. Yogurt consumption may be beneficial for long-term weight and WC management.