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Table 7 Poisson regression analysis of malaria episodes observed by active case detection

From: Inland valley rice production systems and malaria infection and disease in the forest region of western Côte d’Ivoire

  N Person day Fraction attributable Relative risk (95% CI) p-values
Farming system 0.1524
R0 9,571 34,973 66.7 1.00  
R1 12,460 47,002 93.4 0.93 (0.68–1.26) 0.633
R2 11,647 45,947 74.2 0.74 (0.54–1.02) 0.066
Age groups (years) < 0.0001
0–1 1,528 6,274 96.6 1.00  
2–4 3,589 14,586 80.7 0.38 (0.28–0.50) < 0.0001
5–9 5,948 22,800 31.1 0.09 (0.06–0.14) < 0.0001
10–19 6,583 24,109 8.6 0.02 (0.01–0.04) < 0.0001
20–39 8,648 32,175 11.0 0.02 (0.02–0.04) < 0.0001
> = 40 7,382 27,978 6.4 0.03 (0.02–0.05) < 0.0001
Season 0.0078
Dry 12,305 4,7038 66.8 1.00  
Wet 21,373 80,884 167.6 1.46 (1.10–1.92) 0.008