“…On the other hand, unattended dogs may deter other people who are scared of pets from undertaking physical activities (Matisoff & Noonan, 2012). If dogs are allowed to be kept within residential neighborhoods, it is necessary to set up dog zones or dog parks (Lee, Shepley, & Huang, 2009) to let people know where they can unleash their dogs and where they need to constrain their pets. However, the decision of setting up a dog zone or park also needs to be critically examined as it may produce negative effects on walking, running and cycling activities as people may feel insecure on some dogs (Cutt, Giles-Corti, Knuiman, & Burke, 2007).…”