Table 3. Descriptive statistics of variables

Variable	Mean	Standard deviation	Minimum	Maximum	Variance inflation factor
Dependent variables
Physical health	2.974	0.766	1	5	1.17
Mental health	29.923	5.051	12	46	1.42
Mediation variables
Social capital
Network 1	2.097	0.749	1	4	2.00
Network 2	2.203	0.781	1	4	2.14
Trust	2.407	0.760	1	4	1.96
Sense of community 1	2.515	0.767	1	4	1.96
Sense of community 2	2.501	0.768	1	4	2.21
Independent variables
Residential self-selection
Walking behavior	2.869	0.649	1	4	1.09
Socio-demographic Characteristics
Gender	0.481	0.499	0	1	1.20
Age	46.392	15.064	19	88	2.12
Monthly household income	5.340	2.490	1	11	1.27
Marital status	0.622	0.485	0	1	2.13
Occupation	0.920	0.271	0	1	1.09
Education	2.590	0.637	1	4	1.15
Health behavior
Sleep quality	2.985	1.006	1	5	1.20
Drink	2.276	1.281	1	5	1.18
Smoke	0.232	0.422	0	1	1.23
Walkable Environments
Intersection density	6.189	3.159	0.122	15.247	1.97
Crosswalk density	10.674	4.154	1.127	24.117	1.20
ln(bus stop density)	−0.235	0.391	−1.462	0.958	1.21
Subway station density	0.117	0.094	0	0.655	1.27
Land use mix	0.744	0.102	0.209	0.979	1.19
Green Environments
ln(Street greenery)	1.481	0.580	0.143	3.269	1.79
NDVI	0.079	0.020	0.016	0.159	2.63
ln(Distance to life zone park)	5.222	0.687	1.036	7.085	1.02
ln(Distance to theme park)	6.948	0.860	3.851	8.718	1.06
ln(Distance to nature park)	6.401	1.068	2.246	8.266	2.05