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Table 4 Results obtained for Culex quinquefasciatus (n = 42 nights) in the experimental huts in Moshi

From: Laboratory and experimental hut evaluation of a long-lasting insecticide treated blanket for protection against mosquitoes

Hut Treatment Unwashed control Washed control Unwashed LLIB Washed LLIB Unwashed ITB Washed ITB Olyset net
Initial dose of permethrin 0 mg/m2   2000 mg/m2 2000 mg/m2 500 mg/m2 500 mg/m2 1000 mg/m2
Number of washes 0 5 0 5 0 5 0
% volunteer body cover (95% CI) 81 (77–85) 83 (80–87) 79 (74–83) 78 (73–82) 79 (72–85) 79 (72–85) 100
Total females caught 62 79 59 53 60 58 62
Females caught/night 2 2 1 1 1 1 2
Total females in verandah and exit traps 25 27 34 25 31 26 50
Exophily (%) 40ac 34a 58c 47ac 52ac 45ac 81b
95% Confidence limits 25-57 22-49 42-72 36-59 35-68 28-63 66-90
Total females blood fed 45 67 36 27 29 22 7
Blood fed (%) 73a 85b 61a 51ad 48ad 38cd 11e
95% Confidence limits 57-84 74-91 43-76 36-65 34-63 25-53 5-25
Blood feeding inhibition (%) - - 16 40 34 55 85
Total females dead 0 1 6 5 5 7 4
Overall mortality (%) 0a 1b 10bcd 9bcd 8d 12cd 6bd
95% Confidence limits - 0-10 4-24 3-25 3-21 6-23 2-17
Corrected for control (%) - 1 10 9 8 12 6
Unfed mortality 0 0 8 (1–53) 26 (9–54) 15 (4–43) 16 (6–37) 19 (10–34)
Blood fed mortality 0 0 0 4 (0–25) 0 0 0
  1. Numbers in the same row sharing a letter superscript do not differ significantly (P > 0.05).