. 2016 Jul 21;13(7):735. doi: 10.3390/ijerph13070735

Table 3.

The measurement models (standardized coefficients).

Latent Variables	Final Model				Latent Variables	Initial Model
Latent Variables	Indicators	Coefficient	Standard Errors	R²	Latent Variables	Indicators	Coefficient	Standard Errors	R²
Perceived intensity of pollution (PAPL1)	PAP1	1.00	-	1.00	Perception of air pollution (PAP)	PAP1	0.16	0.05	0.03
Perceived hazardousness of the pollutants (PAPL2)	PAP2	0.59	0.03	0.35		PAP2	0.60	0.04	0.35
	PAP3	0.53	0.03	0.28		PAP3	0.53	0.05	0.28
	PAP4	0.62	0.03	0.38		PAP4	0.62	0.04	0.38
	PAP5	0.55	0.03	0.30		PAP5	0.55	0.05	0.30
Environmental knowledge (EK)	EK1	0.49	0.04	0.24	Environmental knowledge (EK)	EK1	0.49	0.06	0.24
	EK2	0.43	0.04	0.19		EK2	0.43	0.06	0.19
	EK3	0.43	0.04	0.19		EK3	0.43	0.07	0.19
	EK4	0.51	0.03	0.25		EK4	0.50	0.07	0.25
	EK5	0.57	0.04	0.32		EK5	0.57	0.07	0.32
	EK5	0.51	0.03	0.26		EK5	0.51	0.07	0.26
	EK7	0.36	0.03	0.13		EK7	0.36	0.07	0.13
	EK8	0.44	0.03	0.19		EK8	0.44	0.07	0.19
Socio-economic status (SES)	Education	0.48	0.05	0.23	Socio-economic status (SES)	Education	0.45	0.05	0.21
Socio-economic status (SES)	Income	0.46	0.04	0.21	Socio-economic status (SES)	Income	0.46	0.04	0.21

Note: All coefficients in the Final model and the Initial model are statistically significant at 1%.