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Table 2 Malaria prevalence and bed net usage, by estates and by villages (cross-sectional survey).

From: Malaria – a major health problem within an oil palm plantation around Popondetta, Papua New Guinea

Estate Number examined Prevalence all species n infected; % (95% CI) Prevalence P. falciparum n infected; % (95 % CI) Prevalence P. vivax n infected; % (95% CI) Bed net usage (%)
Ambogo 177 36; 20.3
(0.14–0.26)
28; 15.8
(0.10–0.21)
6; 3.4
(0.01–0.06)
84.3
Sangara 279 91; 32.6
(0.27–0.38)
56; 20.0
(0.15–0.25)
35; 12.5
(0.09–0.16)
69.7
Sumbiripa 267 115; 43.1
(0.37–0.49)
60; 22.5
(0.17–0.27)
50; 18.7
(0.14–0.23)
63.3
Village      
Epa 68 12; 17.7
(0.09–0.27)
9; 13.2
(0.05–0.21)
2; 2.9
(-0.01–0.07)
97.5
Irigi 109 24; 22.0
(0.14–0.30)
19; 17.4
(0.10–0.25)
4; 3.7
(0.00–0.07)
75.8
Moale 154 48; 31.2
(0.24–0.38)
28; 18.1
(0.12–0.24)
23; 14.8
(0.09–0.20)
65.6
Javuni 125 43; 34.4
(0.26–0.43)
28; 22.4
(0.15–0.30)
12; 9.6
(0.04–0.15)
75.0
Irihambo 137 57; 41.6
(0.33–0.50)
33; 24.1
(0.17–0.31)
21; 15.3
(0.09–0.21)
57.6
Sumbiripa 130 58; 44.6
(0.36–0.53)
27; 20.8
(0.14–0.28)
29; 22.3
(0.15–0.29)
68.9