中国大城市病典型症状诱发因素的实证分析

中国大城市病典型症状诱发因素的实证分析

沈洁, 张可云

An empirical analysis of factors leading to typical urban problems in China

SHEN Jie, ZHANG Keyun

表1 OLS回归结果

Tab.1 Results of ordinary least squares (OLS) regression

变量	模型一					模型二
变量	y	y₁	y₂	y₃		y	y₁	y₂	y₃
size	0.517^***	0.226^***	0.078	0.535^***		0.552^***	0.251^**	0.088	0.556^***
	(0.115)	(0.093)	(0.150)	(0.163)		(0.123)	(0.129)	(0.148)	(0.149)
concen	0.492^***	0.476^***	0.090^*	0.155^*
	(0.103)	(0.088)	(0.098)	(0.094)
dense						0.249^***	0.051	0.127*	0.287^***
						(0.116)	(0.117)	(0.170)	(0.105)
scnd	-0.359^***	-0.453^***	-1.070^***	0.365^***		-0.143^*	-0.233^***	-1.035^***	0.420^***
	(0.121)	(0.096)	(0.156)	(0.110)		(0.109)	(0.095)	(0.150)	(0.098)
thrd	-0.293^***	-0.370^***	-0.960^***	0.346^***		-0.086^*	-0.126^*	-0.941^***	0.363^***
	(0.126)	(0.102)	(0.164)	(0.113)		(0.124)	(0.110)	(0.155)	(0.107)
road	-0.106	-0.356^**	-0.138^*	0.292^***		-0.205^*	-0.451^***	-0.157^*	0.259^***
	(0.175)	(0.188)	(0.157)	(0.067)		(0.172)	(0.189)	(0.153)	(0.062)
bus	-0.010	-0.217^*	-0.018	-0.233^***		-0.075	-0.275^*	-0.004	-0.207^***
	(0.194)	(0.234)	(0.181)	(0.069)		(0.170)	(0.204)	(0.176)	(0.074)
level	-0.085^***	-0.025^*	-0.142^***	-0.051^*		-0.055^*	-0.016	-0.128^***	-0.018
	(0.036)	(0.031)	(0.050)	(0.034)		(0.042)	(0.034)	(0.053)	(0.035)
_cons	0.658^***	0.812^***	1.608^***	-0.160^**		0.486^***	0.642^***	1.578^***	-0.211^***
	(0.105)	(0.081)	(0.141)	(0.096)		(0.099)	(0.083)	(0.136)	(0.089)
样本量	204	204	204	204		204	204	204	204
R²	0.345	0.398	0.338	0.311		0.218	0.228	0.338	0.319