Table 2.

Analysis according to infection status

Factor	Df	Deviance	Residual df	Residual deviance	p
Infection by Plasmodium	2	5.17	64	266.9	0.014
Dose of DDT	2	204.14	62	62.8	<0.001
Age at challenge by DDT	1	12.36	61	50.4	<0.001
Infection* dose	4	7.90	57	42.5	0.011
Infection* age	2	1.16	55	41.3	0.380
Dose* age	2	1.64	53	39.7	0.256
Infection* dose* age	4	6.28	49	33.4	0.034

For infection status three categories were considered: mosquitoes that had fed on uninfected blood, mosquitoes that were infected, and mosquitoes that had fed on infected blood but did not harbour any parasites. *notes interaction term.