Number of years of participation in some, but not all, types of physical activity during adolescence predicts level of physical activity in adulthood: Results from a 13-year study.

Belanger, Mathieu; Sabiston, Catherine M.; Barnett, Tracie A.; O'Loughlin, Erin; Ward, Stephanie; Contreras, Gisele; O'Loughlin, Jennifer
The international journal of behavioral nutrition and physical activity
juin, 2015