Table 2. Descriptive statistics of... | Emerald Publishing

Table 2.

Descriptive statistics of control variables

Variables	Mean	SD	Sample size	Variables	Mean	SD	Sample size
Householder’s age (years old)	51.597	12.018	849	Number of close friends and relatives (person)	51.656	60.354	849
Square of the householder’s age	2806.528	1224.443	849	Shaanxi (yes = 1/no = 0)	0.350	0.477	849
Years of household’s education (years)	5.921	3.806	849	Gansu (yes = 1/no = 0)	0.319	0.466	849
Female is the decision-maker (yes = 1/no = 0)	0.425	0.495	849	Manpower input on terrace (person × day)	9.063	10.342	428
Village cadre (yes = 1/no = 0)	0.140	0.347	849	Material input on terrace (in 10,000 yuan)	0.043	586.328	428
Number of the family members (person)	4.572	1.979	849	Material input on water-saving irrigation (in 10,000 yuan)	0.072	203.625	228
House value (in 10,000 yuan)	6.451	6.947	849	Manpower input on plastic film (person × day)	0.511	0.643	517
Planting area (hm²)	0.761	0.837	849	Material input on plastic film (in 10,000 yuan)	0.006	33.499	517
Government subsidies (in 10,000 yuan)	0.290	0.539	849	Manpower input on afforestation (person × day)	11.716	5.431	310
Technology promotion (yes = 1/no = 0)	0.419	0.494	849	Manpower input on ridge-furrow tillage (person × day)	1.656	0.768	518

Variables	Mean	SD	Samplesize	Variables	Mean	SD	Samplesize
Householder’s age (years old)	51.597	12.018	849	Number of close friends and relatives (person)	51.656	60.354	849
Square of the householder’s age	2806.528	1224.443	849	Shaanxi (yes = 1/no = 0)	0.350	0.477	849
Years of household’s education (years)	5.921	3.806	849	Gansu (yes = 1/no = 0)	0.319	0.466	849
Female is the decision-maker (yes = 1/no = 0)	0.425	0.495	849	Manpower input on terrace (person × day)	9.063	10.342	428
Village cadre (yes = 1/no = 0)	0.140	0.347	849	Material input on terrace (in 10,000 yuan)	0.043	586.328	428
Number of the family members (person)	4.572	1.979	849	Material input on water-saving irrigation (in 10,000 yuan)	0.072	203.625	228
House value (in 10,000 yuan)	6.451	6.947	849	Manpower input on plastic film (person × day)	0.511	0.643	517
Planting area (hm²)	0.761	0.837	849	Material input on plastic film (in 10,000 yuan)	0.006	33.499	517
Government subsidies (in 10,000 yuan)	0.290	0.539	849	Manpower input on afforestation (person × day)	11.716	5.431	310
Technology promotion (yes = 1/no = 0)	0.419	0.494	849	Manpower input on ridge-furrow tillage (person × day)	1.656	0.768	518

Source: Authors’ own creation