TY - GEN AU - Camiletti Moirón, Daniel AU - Timperio, Anna AU - Veitch, Jenny AU - Fernández Santos, Jorge del Rosario AU - Abbott, Gavin AU - Delgado Alfonso, Álvaro AU - Cabanas Sanchez, Veronica AU - Veiga, Oscar L. AU - Salmon, Jo AU - Castro Piñero, José A4 - Didáctica de la Educación Física, Plástica y Musical PY - 2020 SN - 1479-5868 UR - http://hdl.handle.net/10498/22746 AB - Background Longitudinal changes in child and adolescent active school transport (AST), and the mediating role of different intensities of daily physical activity (PA) levels in relation to AST and physical fitness and adiposity indicators is unclear.... LA - eng PB - BMC KW - Active commuting KW - Obesity KW - Fitness KW - Childhood KW - Adolescence TI - Changes in and the mediating role of physical activity in relation to active school transport, fitness and adiposity among Spanish youth: the UP&DOWN longitudinal study DO - 10.1186/s12966-020-00940-9 ER -