“…Therefore, individual factors are not very useful in urban-design practices, which focus especially on total environment. In addition to "residential density," other environmental variables recognized in studies are, for example, network connectivity Frank, Andresen, and Schmid 2004;Frank et al 2007Frank et al , 2008Broberg, Salminen, and Kyttä 2013;Villanueva et al 2012Villanueva et al , 2013, density of bus stops (Carr, Dunsiger, and Marcus 2010;Broberg, Salminen, and Kyttä 2013) or land cover of single-family housing (De Vries et al 2010;Broberg, Salminen, and Kyttä 2013). All of these factors have led to more or less diverging effects in different studies conducted in varying countries and cities, among different age and gender groups.…”