Randomised study demonstrates sustained benefits of a pre-school intervention designed to improve nutrition and physical activity practices.

Background: Health-promoting programmes must demonstrate sustained efficacy in order to make a true impact on public health. This study aimed to determine the effect of the Healthy Incentive for Pre-schools project on health-promoting practices in full-day-care pre-schools 18 months after a training intervention.

Methods: Thirty-seven pre-schools completed the initial study and were included in this follow-up study.