Exposure to HAP and the Regional Pattern of Air-Related Morbidity in India: A Multivariate Analysis

Table 8

Stepwise probit regression results for HAP and morbidity: three clusters.

Cluster 1				Cluster 2				Cluster 3
(Dependent variable ABD)				(Dependent variable ABD)				(Dependent variable ABD)
R_5	= 0.0000 < 0.1000 adding EAI; = 0.0159 < 0.1000 adding EMSN				= 0.0015 < 0.1000 adding EAI; = 0.0191 < 0.1000 adding EMSN				= 0.0735 < 0.1000 adding VULN
R_6	= 0.0000 < 0.1000 adding EAI; = 0.0603 < 0.1000 adding 1/sqEXP				= 0.0004 < 0.1000 adding 1/EXP; = 0.0480 < 0.1000 adding EAI				= 0.0378 < 0.1000 adding 1/sqEXP
	R_5	R_6			R_7	R_8			R_9	R_10
EAI	−0.0020	EAI	−0.0021	EAI	−0.0023	1/EXP	−1.1566	VULN	0.0404	1/sqEXP	−5.4289
EMSN	0.0032	1/sqEXP	−2.3955	EMSN	0.0045	EAI	−0.0020	EAI	Failed to be added with	EAI	Failed to be added with
VULN	Failed to be added with	—	—	VULN	Failed to be added with	—	—	EMSN	Failed to be added with	—	—
Constant	−0.8601		−0.7793	Constant	−0.8833	Constant	−0.7385	Constant	−1.099	Constant	−0.7089
LR	27.49		25.27	LR χ^2	15.45	LR	16.34	LR	3.19	LR	4.31
Observation	5607		5607	Observation	2143	Observation	2143	Observation	1438	Observation	1438

Significant at less than 1% level; significant at less than 5% level; significant at less than 10% level.