Spatial Pattern Characteristics and Influencing Factors of Green Use Efficiency of Urban Construction Land in Jilin Province

Table 5

Relative importance of each variable.

Element	Factor layer	Index	2011			2015
Socioeconomic factors	Foundation of social development	Population density	0.57	0.44	0.38	0.47	0.27	0.20
		Public facility			0.06			0.07
	Economic development level	Real GDP per capita		0.13	0.09		0.20	0.07
		Wages of employees			0.04			0.13
Elements of natural science and technology	Natural environment support	Slope	0.12	0	0	0.21	0.08	0
		Land stress index			0			0.08
	Technological innovation ability	Professional skill worker		0.12	0.06		0.13	0.07
		Patent number			0.06			0.06
Elements of urban development	Scale of urban construction	Urbanization rate	0.31	0.08	0	0.31	0.06	0
		City size			0.08			0.06
	Degree of urban development	Land development intensity		0.23	0.23		0.25	0.25
		Industrial output structure			0			0