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Table 1 Characteristics of the houses and residents in all 15 wards of the study area in Dar es Salaam, Tanzania, during the first three rounds of household surveys from May 2004 until May 2006

From: Interdependence of domestic malaria prevention measures and mosquito-human interactions in urban Dar es Salaam, Tanzania

Characteristic Frequency
  N %
Houses 3073 100
Walls 3073 100
Stone, cement, fired or concrete bricks 1684 54.4
Unfired bricks, sand, wood 1355 43.7
Corrugated iron sheets, mud, grass 59 1.9
Grass thatch, cardboard 0 0
Roof 3073 100
Tiles, cement, reinforced concrete 193 6.3
Corrugated iron sheets, asbestos 2868 93.3
Thatch, sticks, mud, grass, plastic sheets 11 0.4
Ceiling board 3066 100
Whole house 829 27
Partly 554 18.1
None 1683 54.9
Screening 3057 100
Intact 684 22.4
With holes 1006 32.9
Incomplete 503 16.5
Glass windows 105 3.4
None 759 24.8
Residents 20289 100
Bednet coverage 20285 100
User 16883 83.2
Non-user 3402 16.8
Treatment status of net 16883 100
Treated in last 6 months 5194 30.8
Treated more than 6 months ago 66 0.4
Never treated 11623 68.8
Other protection against mosquitoes 20287 100
Coil 1245 6.1
Spray 2167 10.7
Repellent 307 1.5
None 16571 81.7
Usage of at least 1 protection measure 20289 100
Net, coil, spray, repellent 17437 85.9
None 2852 14.1