Correlates of changes in leisure time physical activity over 2 years: the Healthy Worker Project.


BACKGROUND This study is the first to examine associations between concurrent changes in demongraphics, health behaviors, and physical activity in a free-living cohort of adults. METHODS Surveys were conducted at 32 worksites (n = 3,672 workers) before and after a 2-year health promotion intervention. Associations between concurrent changes in… (More)