Table 3. Pre- to post test percentage change in correctly answered questions concerning knowledge, for respondents in flooded and unflooded area.
| Questions | Flooded area | Unflooded area | ||||||
|---|---|---|---|---|---|---|---|---|
| Pre-test n (%) |
Post-test n (%) |
% change | P-value | Pre-test n (%) |
Post-test n (%) |
% change | P-value | |
| 11. Are you aware of dengue? (yes) | 107 (99.1%) | 86 (100%) | 0.9 | 0.374 | 94 (98.9%) | 82 (100%) | 1.1 | 0.354 |
| 12. Dengue is a virus (yes) | 90 (83.3%) | 79 (91.9%) | 8.6 | 0.069 | 92 (96.8%) | 80 (97.6%) | -0.8 | 0.775 |
| 13. Dengue is a serious illness (yes) | 108 (100%) | 86 (100%) | - | - | 95 (100%) | 82 (100%) | - | - |
| 14. Dengue is transmitted to human by bites of infective mosquitoes (yes) | 94 (87.0%) | 83 (96.5%) | 9.5 | 0.014 | 88 (92.6%) | 80 (97.6%) | 5.0 | 0.125 |
| 15. Human infected by dengue by drinking dirty water (no) | 100 (92.6%) | 77 (89.5%) | -3.1 | 0.457 | 88 (92.6%) | 76 (92.7%) | 0.1 | 0.990 |
| 16. The two main vectors of dengue are Ae. aegypti and Ae. albopictus (yes) | 97 (89.8%) | 81 (94.2%) | 4.4 | 0.260 | 89 (93.7%) | 81 (98.8%) | 5.1 | 0.070 |
| 17. Dengue patients will develop symptoms such as severe fever, headache, rashes, deep muscular and joint pain (yes) | 104 (96.3%) | 83 (96.5%) | 0.2 | 0.937 | 90 (94.7%) | 81 (98.8%) | 4.1 | 0.123 |
| 18. Mosquitoes bite only during day (no) | 86 (79.6%) | 63 (73.3%) | -6.3 | 0.304 | 88 (92.6%) | 72 (87.8%) | -4.8 | 0.288 |
| 19. The mosquitoes that transmit dengue virus lay their eggs in dirty water (no) | 51 (47.2%) | 60 (69.8%) | 22.6 | <0.001 | 43 (45.3%) | 46 (56.1%) | 10.8 | 0.152 |
| 20. Stagnant water in empty containers, used tires, trash cans and flower pots can be possible breeding sites of mosquitoes (yes) | 105 (97.2%) | 83 (96.5%) | -0.7 | 0.778 | 94 (98.9%) | 82 (100%) | 1.1 | 0.354 |
| 21. There are proper vaccine/medications available for treatment of dengue (no) | 19 (17.6%) | 19 (22.1%) | 4.5 | 0.435 | 22 (23.3%) | 43 (42.4%) | 29.2 | <0.001 |
| 22. Only way to prevent dengue is by eliminating breeding grounds of dengue (yes) | 85 (98.8%) | 85 (98.8%) | 1.6 | 0.434 | 95 (100%) | 79 (96.3%) | -3.7 | 0.083 |
| 23. Abate can be used to kill mosquito larvae in water storages (yes) | 103(95.4%) | 84 (97.7%) | 2.3 | 0.395 | 89 (93.7%) | 80 (97.6%) | 3.9 | 0.204 |
Comparison using Independent t-test, significant values are in bold, P<0.05; Correct answers are provided in brackets after each question.