Investigating associations between the built environment and physical activity among older people in 20 UK towns
Sophie Hawkesworth, Richard J Silverwood, Ben Armstrong, Triantafyllos Pliakas, Kiran Nanchalal, Barbara J Jefferis, Claudio Sartini, Antoinette A Amuzu, S Goya Wannamethee, Sheena E Ramsay, Juan-Pablo Casas, Richard W Morris, Peter H Whincup, Karen Lock
J Epidemiol Community Health Feb 2018, 72 (2) 121-131; DOI: 10.1136/jech-2017-209440