Table 4. Varimax rotation component matrix of principal component analysis.

Observed variables	Factor loadings
	1	2	3
Occupation	−0.587	−0.003	0.027
Education	−0.09	−0.017	0.909
Income	0.581	0.445	0.429
House Structure	0.565	−0.116	0.21
Breeding habitats	0.118	−0.771	0.058
Drainage System	0.112	0.845	−0.025
Mosquito avoidance	−0.37	0.39	−0.444
Filaria awareness	0.637	0.184	−0.065
Participated in MDA program	0.618	−0.342	−0.019