Table 1.

Healthy City indicators and spatially explicit counterparts used in this study and the ways to calculate them.

Determinants	Conventional Indicators	Indicator Based on Building Floor Areas	Indicators Based on WeChat Populations
Green infrastructure	Green space per capita (m2/person)	Percentage of floor areas <300 m from green space with a minimum size of 1 ha (%)	Percentage of the WeChat population <300 m from green space with a minimum size of 1 ha (%)
Transportation	Number of transit stops and stations per 10,000 resident population (no./10,000 people)	Percentage of floor areas in 1000 m distance to a transit stop or station (%)	Percentage of the WeChat population in 1000 m distance to a transit stop or station (%)
Utilities and services	Number of doctors in community health lefts per 10,000 resident population (no./10,000 people)	Percentage of floor areas in 1000 m distance to a community health left (%)	Percentage of the WeChat population in 1000 m distance to a community health left (%)
Leisure and recreation	Sports facilities per 10,000 resident population (no./10,000 people)	Percentage of floor areas in 1000 m distance to a sports facility (%)	Percentage of the WeChat population in 1000 m distance to a sports facility (%)