Table 2.

Results of sticky-screen bioassays of Ae. aegypti and Ae. albopictus, showing mean attraction and repellent responses to various cell densities of a mix of 14 bacterial species

Density (cells/mL)	No. of assaysa	% of responders		SEb(%)	t-value	P-valuec	Not responding % (±SEb)
		Treatment	Control
Ae. aegypti
109	18	32	68	8.4	−3.78	0.0015	35 (9.6)
108	18	74	26	7.3	5.31	0.0001	22 (7.3)
107	18	72	28	7.3	4.99	0.0001	20 (6.1)
106	18	55	45	8.5	1.05	0.3080	28 (7.1)
Ae. albopictus
109	18	55	45	7.95	1.15	0.2664	18 (6.6)
108	18	72	28	6.99	5.39	0.0001	11 (3.7)
107	18	68	32	7.31	4.29	0.0005	11 (4.7)
106	18	54	46	8.31	0.85	0.4069	22 (5.8)

^aEach assay consisted of 10 gravid females

^bSE = Error represents half-width of a 95 % confidence intervals of the mean (SEM X 1.96)

^cSignificant P-value (P < 0.05) with positive t-value indicates attraction, whereas a negative t-value indicates repellence