Table A1.

Health indicators.

Indicators	Metrics	References
1. Physical access and general health (e.g., exposure)	Noise level and exposure in green space Level of variation, naturalness, color Clear arrangement Shelter (open/closed) Walkability of green space Perceived safety and condition (e.g., maintenance, presence of tree pest) of green space Connectivity between and of green spaces to other trails, bike paths, etc. Tree size and urban forest structure Proximity to green space (horizontal) % green space Mean Normalized Difference Vegetation Index value within spatial area Size of green space Available green space per capita	[8,12,13,14,42,48,65,71,88,101,102,103,104,105,106]
Visual Access	% of population who can see green on daily basis	[58,59,107,108]
Disease and Recovery	Presence of indoor green infrastructure % self-reported disease incidence Length of recovery time during hospital stay % disease recurrence % walkouts (e.g., emergency patients who leave) # health complaints	[10,13,84,109]
Physical Activity	Presence and # of physical barriers to green space (e.g., major roads, presence of ramps for wheelchairs, etc.) # and proportion of tree-lined walks based on total area Perception of greenness and design aesthetics (e.g., “green qualities”) Proximity to green space (horizontal)	[13,15,54,101,102,106,110]
Mental Health	# of times people use green space Presence of water features in green space Presence of winding (non-linear) paths and trails Presence of green infrastructure at building entrance Perception of greenness and design aesthetics (e.g., Perceived Restorativeness Scale) Tree size and urban forest structure Proximity to green space (horizontal) % of green space	[7,10,41,65,98,101,111,112,113]
Social Support and Integration	Presence of infrastructure for social gatherings (e.g., seating) # encounters with other green space users # of people utilizing public and green spaces Average amount of time spent in green space Ownership and decision-making power around green space (e.g., community gardening) Proximity to green space Size of green space	[11,12,13,14,60,113,114]