Table 2

Cumulative incidence of malaria per 100 persons according to work status in 24 months.



Cumulative incidence (%)
of malaria in 24 months
[95%CI]





Visitor
(N = 342)
 Rotator
(N = 795)
 Long term
(N = 1122)
 p-value*
Malaria
 Presumptive
 2.3
[0.7–3.9]
 6.2
[4.5–7.9]
 13.7
[11.7–15.7]
 <0.001

Doctor's diagnosis
 2.0
[0.5–3.5]
 5.7
[4.1–7.3]
 12.8
[10.8–14.8]
 <0.001

Laboratory confirmed
 1.8
[0.4–3.2]
 4.3
[2.9–5.7]
 9.7
[8.0–11.4]
 <0.001
Hospitalization for malaria
 Doctor's diagnosis
 0.6
[0.0–1.4]
 1.6
[0.7–2.5]
1.5 [0.8–2.2]
 0.6

Laboratory confirmed
0.6 [0.0–1.4]
 1.6
[0.7–2.5]
 1.2
[0.6–1.8]
 0.5

*p-value for malaria diagnosis was obtained by χ2-test and for hospitalization with Fisher's exact test. Those who responded to belong to the 'other' group (N = 91), instead of the solicited groups, were excluded as their global time of possible exposure to malaria was unclear.

Roukens et al. Malaria Journal 2008 7:128   doi:10.1186/1475-2875-7-128

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