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Table 4 Between treatment differences in estimated time for mortality to fall to 80 and 50% for mosquitoes tested on insecticide-treated substrates

From: Long-lasting control of Anopheles arabiensis by a single spray application of micro-encapsulated pirimiphos-methyl (Actellic® 300 CS)

  Substrate   Treatment comparison Difference in estimated time to 80% mortality Difference in estimated time to 50% mortality
Time months 95% CI p Time months 95% CI p
Anopheles arabiensis dondotha
Mud CS B vs EC 3.9 (3.1 to 4.6) <0.05 5.6 (3.0 to 12.9) <0.05
CS BM vs EC 3.5 (2.6 to 4.3) <0.05 4.2 (2.0 to 5.4) <0.05
CS B vs CS BM 0.4 (-0.4 to 1.3) n/s 1.3 (-0.7 to 11.7) n/s
Concrete CS B vs EC 4.1 (3.6 to 4.7) <0.05 4.1 (3.7 to 4.6) <0.05
CS BM vs EC 2.6 (1.9 to 3.4) <0.05 3.4 (2.8 to 4.0) <0.05
CS B vs CS BM 1.5 (0.8 to 2.2) <0.05 0.7 (0.1 to 1.3) <0.05
Culex quinquefasciatus TPRI
Mud CS B vs EC 4.4 (3.4 to 5.8) <0.05
CS BM vs EC 5.6 (4.8 to 6.3) <0.05 7.5 (6.4 to 8.9) <0.05
Lambda vs EC 1.2 (0.6 to 1.7) <0.05 1.6 (1.0 to 2.1) <0.05
CS B vs Lambda 3.2 (2.2 to 4.6) <0.05
CS BM vs Lambda 4.4 (3.8 to 5.2) <0.05 6.0 (4.9 to 7.4) <0.05
CS B vs CS BM -1.2 (-2.4 to 0.4) n/s
Concrete CS B vs EC 7.4 (6.7 to 8.4) <0.05 8.4 (7.5 to 9.4) <0.05
CS BM vs EC 6.0 (-0.2 to 6.4) n/s 7.2 (6.7 to 7.8) <0.05
Lambda vs EC 4.2 (3.8 to 4.5) <0.05 4.6 (4.3 to 4.9) <0.05
CS B vs Lambda 3.2 (2.4 to 4.3) <0.05 3.8 (2.9 to 4.8) <0.05
CS BM vs Lambda 1.8 (-4.4 to 2.4) n/s 2.7 (2.1 to 3.3) <0.05
CS B vs CS BM 1.4 (0.5 to 7.5) <0.05 1.2 (0.2 to 2.2) <0.05
Culex quinquefasciatus Muheza
Mud CS B vs EC 3.2 (2.7 to 3.9) <0.05 5.8 (4.2 to 9.8) <0.05
CS BM vs EC 3.0 (2.5 to 3.6) <0.05 5.1 (4.4 to 6.2) <0.05
Lambda vs EC -0.3 (-0.9 to 0.3) n/s
CS B vs Lambda 6.1 (4.2 to 10.2) <0.05
CS BM vs Lambda 5.5 (4.6 to 6.6) <0.05
CS B vs CS BM 0.2 (-0.5 to 0.9) n/s 0.7 (-1.2 to 4.6) n/s
Concrete CS B vs EC 3.9 (3.0 to 4.6) <0.05 5.2 (4.2 to 6.0) <0.05
CS BM vs EC 3.3 (2.9 to 3.7) <0.05 4.3 (3.7 to 4.8) <0.05
Lambda vs EC 0.1 (-0.3 to 0.5) n/s 0.4 (-0.1 to 0.9) n/s
CS B vs Lambda 3.8 (3.0 to 4.6) <0.05 4.7 (3.9 to 5.8) <0.05
CS BM vs Lambda 3.2 (2.8 to 3.7) <0.05 3.9 (3.3 to 4.4) <0.05
CS B vs CS BM 0.6 (-0.2 to 1.4) n/s 0.8 (0.0 to 1.9) n/s
  1. †Indicates that statistical models produced estimates outside the study period for one or more of the treatments or their 95% CI and treatment differences cannot therefore be estimated.