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 |