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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