ContextAlthough many studies suggest that physical activity may reduce risk of type 2
diabetes, the role of moderate-intensity activity such as walking is not well understood.
ObjectivesTo examine the relationship of total physical activity and incidence of type 2
diabetes in women and to compare the benefits of walking vs vigorous activity as predictors
of subsequent risk of type 2 diabetes. Design and SettingThe Nurses' Health Study, a
prospective cohort study that included detailed data for physical activity from women …