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Table 2 Analysis according to infection status

From: Resisting infection by Plasmodium berghei increases the sensitivity of the malaria vector Anopheles gambiae to DDT

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
  1. 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.