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Table 1 Summary of results obtained for An. gambiae (n = 80 nights) in the experimental huts.

From: Field efficacy of pyrethroid treated plastic sheeting (durable lining) in combination with long lasting insecticidal nets against malaria vectors

Hut Treatment Control Holed Olyset ITPS ITPS + holed Olyset ITPS + intact untreated net ITPS + holed untreated net
Total females caught 422 ab 246 a 443 b 211 a 315 ab 309 ab
females caught/night 5.3 3.1 5.5 2.6 3.9 3.9
Deterrence (%) - 41.7 -5.0 50.0 25.4 26.8
Total females in verandah trap 133 189 352 167 248 221
Exophily (%) 31.5a 76.8bc 79.5c 79.1bc 78.7bc 71.5b
95% Confidence limits 27.3-36.1 71.1-81.7 75.4-83 73.1-84.1 73.9-82.9 66.2-76.3
Total females blood fed 398 43 335 49 89 127
Blood fed (%) 94.3a 17.5b 75.6c 23.2bd 28.3d 41.1e
95% Confidence limits 91.7-96.2 13.2-22.7 71.4-79.4 18-29.4 23.6-33.5 35.7-46.7
Blood feeding inhibition (%) - 81.5 19.8 75.4 70.0 56.4
Personal protection (%) - 89.2 15.8 87.7 77.6 68.1
Total females dead 22 156 164 131 170 103
Overall mortality (%) 5.2a 63.4b 37.0c 62.1bd 54.0d 33.3c
95% Confidence limits 3.5-7.8 57.2-69.2 32.6-41.6 55.4-68.4 48.4-59.4 27.1-37.4
Corrected for control (%) - 61.4 33.6 60.0 51.4 29.7
Overall insecticidal effect (%) - 33.5 35.5 27.3 37.0 20.3
  1. Numbers in the same row sharing a letter superscript do not differ significantly (P ≥ 0.05)