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Table 7 Multivariate regression analysis of malaria incidence taken into account the cumulative number of monitoring days

From: Malaria infection and disease in an area with pyrethroid-resistant vectors in southern Benin

  Malaria episodes
Variable Person-day N evocative malaria cases N malaria cases* Incidence per child per year (95%CI) Adjusted Relative Risk (95%CI) p-values
Age (year)       
<1 5542 77 18 1.19(0.77-1.83) 1 -
1-2 6034 84 30 1.81(1.28-2.58) 1.53(0.88-2.85) 0.104
3-5 6686 75 30 1.64(1.21-2.23) 1.38(0.94-2.45) 0.075
Sex       
F 9094 116 34 1.36(1.00-1.86) 1 -
M 9168 120 44 1.75(1.33-2.30) 1.27(0.86-1.88) 0.182
Village       
Aïdjèdo 2746 36 10 1.33(0.80-2.22) 1  
Dokanmè 2745 48 20 2.66(1.80-3.94) 1.89(0.98-3.65) 0.055
Kindjitokpa 2522 21 10 1.45(1.04-2.02) 1.04(0.56-1.94) 0.876
Guézohoué 2595 24 6 0.84(0.50-1.43) 0.60(0.29-1.25) 0.140
Hékandji 2536 38 7 1.01(0.55-1.84) 0.70(0.32-1.56) 0.320
Satré 2368 34 11 1.70(1.23-2.33) 1.21(0.66-2.23) 0.472
Wanho 2750 35 14 1.86(1.31-2.64) 1.34(0.70-2.57) 0.308
Season       
Dry 9355 92 36 1.40(1.00-1.97) 1 -
Rainy 8907 144 42 1.72(1.35-2.19) 1.22(0.78-1.91) 0.372
Correct use of LLIN's       
No 8280 92 28 1.23(0.87-1.75) 1 -
Yes 9982 144 50 1.83(1.44-2.32) 1.36(0.83-2.25) 0.181
  1. *Parasite density ≥ 2000 asexual forms of Plasmodium falciparum per μL