Breeding Habitat Preference of the Dengue Vector Mosquitoes Aedes aegypti and Aedes albopictus from Urban, Semiurban, and Rural Areas in Kurunegala District, Sri Lanka

Table 1

Correlation between larval densities of dengue vectors (A: Ae. aegypti and B: Ae. albopictus) and breeding preference ratio (BPR) according to container categories in urban, semiurban, and rural study sites of Kurunegala district.

Container category		BPR				Larval density				Correlation between BPR and larval density
		Urban-B	Semiurban-B	Rural-B	Urban-A	Urban-B	Semiurban-B	Rural-B	Urban-A	Urban-B	Semiurban-B	Rural-B	Urban-A
Type of container	WSB	0.63	1.33	0.85	1.33	22.33	27.00	45.67	15.00	0.685	0.865	0.719
	WSC	0.99	0.91	0.92	1.98	20.33	21.33	28.67	14.00	0.976	0.999	0.976	0.756
	Concrete slabs	1.98	0.00	1.12	3.86	16.33	9.67	5.00	11.00	0.276	0.967	0.453	0.785
	Gutters	0.44	0.31	1.25	3.89	4.67	1.33	12.67	21.00	0.998^∗	0.786	0.345	0.748
	Tyres	1.40	4.56	1.66	0.99	43.00	22.67	33.00	6.00	0.264	0.836	0.909	0.999
	Ornamental flower pots	0.97	2.10	1.60	1.31	19.33	56.00	40.00	4.00	0.686	0.979	0.185	0.542
	Tree holes	0.64	0.97	1.00	1.79	2.67	17.33	7.00	2.00	0.263	0.331	0.559	0.178
	Leafe axis	0.85	0.10	0.83	2.11	5.00	0.67	8.67	4.00	0.971	0.672	0.706	0.542
	AC refrigerator	0.91	0.68	0.73	0.36	32.00	19.00	12.00	1.50	0.999	0.998	0.714	0.978
	Covering item	1.55	0.78	1.25	1.82	43.67	5.00	15.33	12.00	0.888	0.246	0.904	0.304
	Discarded degradable	1.32	0.96	0.61	0.92	16.33	5.00	8.00	1.50	0.716	0.863	0.876	0.172
	Discarded nondegradable	1.18	1.27	1.53	0.36	101.0	50.33	137.0	4.00	0.342	0.975	0.708	0.267
	Clay pots	0.55	0.50	0.40	0.37	23.00	39.00	22.67	2.00	0.867	0.526	0.646	0.979
	Commodes and cisterns	0.45	0.83	0.31	0.97	6.00	15.00	9.00	12.67	0.615	0.650	0.654	0.872
	Bamboo stumps	1.03	0.45	1.20	0.00	9.33	2.33	16.33	0.00	0.134	0.435	0.231	—
	Miscellaneous	0.21	0.12	0.11	0.23	2.76	2.45	1.65	1.23	0.143	0.254	0.345	0.123
Type of materials	Concrete	1.32	1.32	0.82	1.43	56.00	68.00	73.67	29.00	0.964	0.992	0.777	0.978
	Plastic	1.31	0.95	0.70	0.33	137.0	139.6	222.6	53.50	0.856	0.999	0.980	0.994
	Natural	1.20	0.78	1.09	0.41	17.00	6.00	32.00	6.00	0.868	0.994	0.948	0.786
	Clay	0.69	0.45	0.28	1.10	23.00	16.00	22.67	2.00	0.999	0.999	0.84	0.979
	Ceramic	1.34	2.40	1.04	0.68	6.00	11.33	9.00	0.00	0.191	—	—	—
	Rubber	1.48	3.64	1.97	2.25	43.00	39.67	33.00	6.00	0.696	0.854	0.406	0.996
	Glass	1.40	1.23	0.93	0.30	101.0	69.67	137.0	4.00	0.165	0.456	0.432	0.234
	Miscellaneous	0.22	0.24	0.26	0.31	4.62	3.87	5.87	1.67	0.132	0.243	0.145	0.456
Place of container	Indoor	1.94	0.93	0.82	1.94	60.33	75.67	66.67	3.90	0.345	0.586	0.645	0.245
	Outdoor	0.69	0.96	1.07	0.83	304.6	229.0	549.0	4.73	0.786	0.569	0.289	0.567

Significant correlation ().