[Retracted] Study on the Influence of Urban Built Environment Factors on the Social Behavior of ASD Children

Table 1

Description of built environment factors based on the travel process.

Travel process	Built environment elements	Element details
Before departure	Building density	Residential building density, residential greening degree
During journey	Traffic environment	Accessibility of destination, complete sidewalk facilities, traffic light waiting time, intersection environment
	Road environment	Sidewalk greening, sidewalk shading, isolation facilities for people and vehicles, roadside parking, vehicle occupancy on sidewalks, road connectivity, number of vehicles, vehicle speed, vehicles yield to pedestrians
Arrived at destination	Population density	Crowd density, number of children
	Environmental safety	Greening degree, noise interference, no peculiar smell, clean environment, building form
	Environmental quality	Safety, lighting equipment, monitoring function, private space, convenient transportation, safe intersection
	Land use	Complete service facilities, type of activity facilities, number of activity facilities, quality of active facilities, complete leisure facilities, number of leisure facilities, quality of leisure facilities, complete activity venues, number of activity venues, quality of activity venues