If participants reported consuming “1–3 servings per month” or more of this food, their intake of this food was converted to “servings/week”.
After these exclusions, 219 participants had only one complete and valid observation.
Repeated measures models were used for the longitudinal analyses by adjusting for time-varying or invariant covariates.
On average, participants gained weight and WC during follow-up. After adjusting for demographic and lifestyle factors (including diet quality), participants who consumed ≥3 servings/d of total dairy had 0.10 [±0.04] kg smaller annualized increment of weight (Further longitudinal and interventional studies are warranted to confirm the beneficial role of increasing total dairy and yogurt intake, as part of a healthy and calorie-balanced dietary pattern, in the long-term prevention of gain in weight and WC., it must also be part of the strategy for reversing trends in weight gain.
The current study was approved by the institutional review board for human research at Tufts Medical Center.
Because the surviving cohort members may not attend all follow-up study examinations, to maximize the sample size and minimize potential selection bias, the current longitudinal analyses included 3,736 participants who attended at least two of the four examinations (exam 5 through 8).