There were 70 participants at EHS (37 females, 33 males,mean 9.7 years): 29 in the control group and 41 in the intervention group. One participant in the intervention group moved after the baseline visit, leaving 69 participants for analyses of BMI changes. An additional 4 intervention participants did not complete the Healthy Habits Survey at the end-of-year visit, leaving 65 participants for analyses of survey responses. For responses regarding water, whole milk, and nonfat or reduced fat milk per day,these items were not recorded during the first visit and were therefore not analyzed.