“…Previous studies have shown the association between walking for recreation and environmental factors, including low land use mix and low institutional land [37], the presence of walking trails [16], infrastructure for walking (such as the footpath condition and the quality of its surface) [8,13,38], the proximity of recreational facilities [16,38], perceived neighborhood accessibility as well as the presence of accessible destinations (mostly services) such as stores, parks, and beaches [8,12,13,15,39], the presence of public transit facilities such as proximity to public transport/bus stops [15,17], nearby nonresidential locations, and non-park physical activity destinations in the context of China [14], perceived traffic safety as well as actual safety, including factors such as the percentage of street length with speed limits [15,16,40], personal security including less concern about crime [13,16,41], and perceived neighborhood aesthetics as well as the presence of aesthetic features such as the percentage of tree canopy coverage, the maintenance of sidewalks, cleanliness, and the view of the architecture [8,12,13,16,40]. From the few studies on walking behavior in Shiraz, Iran, the impact of certain environmental factors, including comfort, safety, and aesthetics on walking for recreation have been demonstrated by Bahrainy et al [42].…”