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Table 3 Multivariate analysis of the prevalence rates of Plasmodium falciparum asymptomatic infection determined by cross-sectional surveys.

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

  Prevalence rate of P. falciparum asymptomatic infection
Variable N positive/N total (%) 95%CI OR 95%CI p-values
Age (years)      
<1 67/857(7.8) 5.1-10.6 1   
1-2 205/932(22.0) 16.7-27.3 3.62 2.52-5.19 <0.001
3-5 346/1049(33.0) 27.9-38.0 5.15 3.67-7.23 <0.001
Village      
Aïdjèdo 59/427(13.8) 8.8-18.8 1   
Dokanmè 77/414(18.6) 12.8-24.4 1.55 0.89-2.72 0.103
Kindjitokpa 99/405(24.4) 20.8-28.1 2.12 1.34-3.36 0.007
Guézohoué 27/410(6.6) 4.2-8.9 0.48 0.28-0.84 0.019
Hékandji 82/392(20.9) 15.8-26.0 1.68 1.00-2.81 0.049
Satré 129/364(35.4) 30.7-40.2 3.42 2.16-5.43 0.001
Wanho 145/426(34.0) 21.1-39.0 3.33 2.09-5.31 0.001
Season      
Dry 366/1481(24.7) 20.1-29.4 1   
Rainy 252/1357(18.6) 14.6-22.5 0.74 0.62-0.87 0.004
Correct use of LLIN's      
No 349/1305(26.7) 21.9-31.6 1   
Yes 269/1533(17.5) 13.8-21.3 0.74 0.62-0.87 0.005