Analyzing ecological footprint of residential building construction in Adama City, Ethiopia

Environmental Systems Research

Table 3 The output of linear regression of response variable (EF) and three explanatory variables

Variable	Unstandardized coefficient		Standardized coefficient	t-Stat	p-value	95% confidence interval
Variable	Coefficients	Std. error	Standardized coefficient	t-Stat	p-value	Lower	Upper
Constant	7.395	7.3836		1.002	0.34994	− 10.064	24.855
Floor area	0.222	0.0248	1.100	8.971	0.00004	0.164	0.281
Family size	− 3.127	1.7001	− 0.260	− 1.839	0.10844	− 7.147	0.893
Plot area	− 0.004	0.0268	− 0.016	− 0.142	0.89133	− 0.067	0.060
n = 11		R = 0.971		R²= 0.942