Table 2 Correct knowledge of household heads about dengue fever in urban communities of Taiz governorate, Yemen (N = 383)
Knowledge items | Correct Knowledge | |
|---|---|---|
n | % (95Â % CI) | |
Dengue fever signs and symptoms | ||
 Fever | 378 | 98.7 (97–99) |
 Headache | 363 | 94.8 (92–97) |
 Joint pain | 367 | 95.8 (93–97) |
 Muscle pain | 314 | 82.0 (78–86) |
 Eye pain | 337 | 88.0 (84–91) |
 Skin rash | 249 | 65.0 (60–70) |
 Bleeding | 309 | 80.7 (76–84) |
Dengue fever transmission | ||
 Flies do not transmit dengue | 309 | 80.7 (76–84) |
 Contact with infected patients does not transmit dengue | 326 | 85.1 (81–88) |
 Drinking contaminated water does not transmit dengue | 264 | 68.9 (64–73) |
 Eating contaminated food does not transmit dengue | 298 | 77.8 (73–82) |
 Dengue is transmitted by blood transfusion | 292 | 76.2 (72–80) |
 Dengue is transmitted by black mosquitoesa | 324 | 84.6 (81–88) |
 Mosquitoes bite at daytime | 229 | 70.7 (66–75) |
Factors mentioned to increase mosquito spread | ||
 Stagnant water | 312 | 96.3 (94–98) |
 Keeping water containers opened | 296 | 91.4 (88–94) |
Factors mentioned to reduce mosquito spread | ||
 Using mosquito nets | 300 | 92.6 (89–95) |
 Using window screens | 311 | 96.0 (93–98) |
 Insecticide spraying | 295 | 91.0 (87–94) |
 Covering water containers | 299 | 92.3 (89–95) |
 Drying stagnant water | 292 | 90.1 (86–93) |
 Using repellent creams | 227 | 70.1 (65–75) |
 Smoldering | 250 | 77.2 (72–81) |
 Rubbish disposal | 309 | 95.4 (93–97) |
 Cutting trees near houses | 282 | 87.0 (83–90) |