Are school food and activity policies effective? A statewide evaluation

Marilyn S. Nanney, PhD, MPH, RD1, Martha Y. Kubik, PhD, RN1, Richard MacLehose, PhD1, Toben F. Nelson, ScD1 and Peter Rode, MA2
(1)University of Minnesota, Minneapolis, MN, (2)Minnesota Department of Health, St. Paul, MN