“…In particular, recent attempts to do so have been limited in spatial extent (Hwang et al, 2005), have focused on narrow strata of socioeconomic condition (Cooper, Wang, & Singh, 2016;Gounder, Ralph, Maroko, & Thorpe, 2014;Wang, Saltzmann, & Chin, 2010), and are based on self-reported data (Ralph, Jones, & Thorpe, 2013) that are subject to known associated biases (Brown, Kelly, & Whitall, 2014).…”