Table 2.

Meaning and assignment of variables.

Type of Variable		Variable	Meaning and Assignment	Mean value	Standard deviation
Explained variable		Farmers' willingness of green production	Not willing = 1; Reluctantly = 2; Generally = 3; More willing = 4, Very willing = 5	3.436	1.333
Explanatory variable		Cognition of COVID-19 outbreak	Knowledge of COVID-19 infection rate and fatality rate: Ignorance = 1; Unknown = 2; General = 3; Comparative understanding = 4, Understanding = 5	3.308	0.736
Intermediate variable		Risk perception of COVID-19 outbreak	Empowerment result of the three sense of risk perception dimensions: time, space and intensity	3.806	0.516
Control variables	Own characteristics	Sex	Female = 0, male = 1	0.612	0.488
		Age	Actual age/year	54.022	10.368
		Education level	Actual years of education/year	7.298	3.598
	Family endowment	Family location	Home is about/km from the nearest town	4.428	3.858
		Family population size	Total family population/person	4.190	1.687
		Family Member Political Identity	Whether there is a cadre at home: no = 0, is = 1	0.259	0.438
		Health level of the family members	Very low = 1; low = 2; generally = 3; higher = 4, very high = 5	3.935	0.790
		Investment risk tolerance	Very low = 1; low = 2; generally = 3; higher = 4, very high = 5	2.482	0.607
		Neighborhood trust	Very low = 1; low = 2; generally = 3; higher = 4, very high = 5	3.850	0.851