Larval indices ratio (Percentage) | Percentage of larval indices (%) | |||
Five primary schools | Students’ households | |||
Pre (n = 5) | Post* (n = 5) | Pre (n = 305) | Post (n = 275) | |
-The number of positive containers per 100 houses inspected: BI (BI < 50) | 200 | 220 | 754 | 616 |
-Percentage of houses infested with larvae and/or pupae; the House Index: HI (HI < 10) | 60 | 60 | 77 | 81 |
-Percentage of water-holding containers infested with larvae and/or pupae: CI (CI < 1) | 8 | 10 | 35 | 32 |