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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