Table A1.

Results of model 1.

	Accessibility			Road condition and safety			Aesthetics			Walking attitudes	Number of walking trips on weekend			Physical and mental state on weekend
	Direct effect	Indirect effect	Total effect	Direct effect	Indirect effect	Total effect	Direct effect	Indirect effect	Total effect	Direct effect	Direct effect	Indirect effect	Total effect	Direct effect	Indirect effect	Total effect
Socio-demographics
Gender (male)	−0.116*	0.036	−0.080	0.055	0.036	0.090	0.134**	0.031	0.166**	0.078	0.023	−0.018	0.004	0.048	0.009	0.057
Grade	−0.023	−0.090**	−0.113*	−0.077	−0.088**	−0.165**	−0.215**	−0.077**	−0.293**	−0.193**	−0.054	−0.038	−0.092*	−0.089*	−0.074**	−0.163**
BMI	0.027	0.044	0.072	0.047	0.043	0.090	0.027	0.038	0.065	0.095*	0.035	0.027	0.062	−0.012	0.045*	0.033
Academic performance	0.005	0.000	0.006	0.073	0.000	0.073	−0.085	0.000	−0.085	0.000	−0.056	0.003	−0.053	−0.023	−0.003	−0.026
Monthly expenditure	0.200**	0.041	0.241**	0.029	0.040	0.070	0.053	0.035	0.088	0.088	0.042	0.065**	0.106**	0.030	0.069**	0.099*
Exercise frequency	0.062	0.022	0.084	0.026	0.021	0.047	−0.120**	0.019	−0.102*	0.047	0.079	0.033	0.112**	0.046	0.050*	0.096*
Perceived built environment
Accessibility	–	–	–	–	–	–	–	–	–	–	0.233**	–	0.233**	0.107	0.052**	0.159*
Road condition and safety	–	–	–	–	–	–	–	–	–	–	−0.054	–	−0.054	0.081	−0.012	0.069
Aesthetics	–	–	–	–	–	–	–	–	–	–	−0.062	–	−0.062	−0.033	−0.014	−0.046
Attitudes
Walking attitudes	0.465**	–	0.465**	0.455**	–	0.455**	0.399**	–	0.399**	–	0.200**	0.059	0.259**	0.194**	0.131**	0.325**
Walking behavior
Number of walking trips on weekend	–	–	–	–	–	–	–	–	–	–	–	–	–	0.222**	–	0.222**
Impact of the COVID-19 pandemic
COVID-19 impact	–	–	–	–	–	–	–	–	–	−0.242**	0.020	−0.063**	−0.043	−0.056	−0.074**	−0.130**

Note: ** Indicates significant values at the 95% level.

* Indicates significant values at the 90% level.