Insecticide | Substrate | Estimated time to 80% mortality | Estimated time to 50% mortality | ||
---|---|---|---|---|---|
Time (months) | 95% CI | Time (months) | 95% CI | ||
Hut walls | |||||
P-methyl EC | Mud | † | † | † | † |
P-methyl CS B | Concrete | 7.0 | (5.4 to 8.3) | 11.3 | (10.2 to 12.4) |
Mud | 4.8 | (1.9 to 6.9) | 11.4 | (9.9 to 13.0) | |
P-methyl CS BM | Concrete | 6.6 | (3.0 to 9.0) | 16.0 | (13.5 to 20.6) |
Mud | 0.9 | († to 4.4) | 9.0 | (6.4 to 11.0) | |
Hut ceilings | |||||
P-methyl EC | Thatch | † | † | 2.4 | († to 6.1) |
P-methyl CS B | Thatch | 8.4 | (7.4 to 9.4) | 12.0 | (11.2 to 12.7) |
P-methyl CS BM | Thatch | 10.8 | (9.9 to 11.7) | 14.4 | (13.7 to 15.2) |