Table 1

Mosquito diversity (S) in collections from damaged bed nets: non-insecticidal (control) nets versus PET-75D and PE-150D LLINs
Species Non-insecticidal nets PET-75D PE-150D
ni pi (pi) ln (pi) ni pi (ni) ln (ni/N) ni pi (ni) ln (ni/N)
Anopheles gambiae 553 0.66 −0.27 234 0.62 −0.30 289 0.87 −0.12
Anopheles pharoensis 36 0.04 −0.14 38 0.10 −0.23 12 0.04 −0.12
Anopheles ziemanni 31 0.04 −0.12 10 0.03 −0.10 4 0.01 −0.05
Aedes aegypti 1 0.00 −0.01 0 0 NA 0 0 NA
Culex. quinquefasciatus 72 0.09 −0.21 30 0.08 −0.20 12 0.04 −0.12
Culex gr decens 14 0.02 −0.07 18 0.05 −0.15 1 0.00 −0.02
Culex nebulosus 1 0.00 −0.01 3 0.01 −0.04 0 0 NA
Culex annulioris 2 0.00 −0.01 0 0 NA 0 0 NA
Coquillettidia Cristata 1 0.00 −0.01 0 0 NA 0 0 NA
Mansonia africana 123 0.15 −0.28 44 0.12 −0.25 15 0.05 −0.14
Richness (S) 10 7 6
Shannon-wiener index (H) with 95% CI 1.13[0.99-1.14] 1.25[1.14-1.34] 0.57[0.44-0.67]
T scores NA −1.87 −7.70
P-values NA 0.06 0.000

N total number of individuals, ni number of individuals found in the ith species, pi proportion of individuals found in the ith species, ln the natural (Naperian) logarithms, NA Not Applicable.

Gnanguenon et al.

Gnanguenon et al. BMC Public Health 2013 13:751   doi:10.1186/1471-2458-13-751

Open Data