Do associations of sex, age and education with transport and leisure-time physical activity differ across 17 cities in 12 countries?
J. Mitáš, E. Cerin, R. Reis, T. Conway, K. Cain, M. Adams, G. Schofield, O. Sarmiento, L. Christiansen, R. Davey, D. Salvo, R. Orzanco-Garralda, D. Macfarlane, A. Hino, Ilse de Bourdeaudhuij, N. Owen, D. van Dyck, J. Sallis
International Journal of Behavioral Nutrition and Physical Activity