Table 2.

Indicators of neighborhood green space

Dimension	Measurement	Indicator	Index/ questionnaire questions
Accessibility	Geographic Information System	Objective accessibility	Neighborhood Green Accessibility Index
	Questionnaire survey	Perceived accessibility	“How convenient to reach, access, and visit are the green spaces near your neighborhood?”
Green space quality	Questionnaire survey	Plant diversity	“How about the plant diversity (plant color, species, etc.) of green spaces near your neighborhood?”
		Animal diversity	“How about the animal diversity (birds, butterflies, etc.) of green spaces near your neighborhood?”
		Cleanliness	“How clean and maintained is the green space near your neighborhood?”
		Safety	“How safe is the green space near your neighborhood?”
		Aesthetics	“How beautiful is the green space near your neighborhood?”
		Recreation facilities	“How many recreational facilities (sports field, park bench, toilets, park trash can, etc.) are in the green spaces near your neighborhood?”