Sociodemographic influences on children’s out-of-school time organized activity participation and physical activity in rural communities: A cross-sectional study - Mary J. Von Seggern; Michaela A. Schenkelberg; Ann E. Rogers; Debra K. Kellstedt; Robin High; Gregory J. Welk; Richard R. Rosenkranz; David A. Dzewaltowski (PLoS ONE, 2025)