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Table 1 Type of housing and the basic infrastructure of the cases' (n = 396) and neighbourhood controls'(n = 336) houses

From: Crowding: risk factor or protective factor for lower respiratory disease in young children?

Items Cases Neighbourhood Controls
  n % n %
Type of housing     
   Traditional 209 53 212 63
   Flat 35 9 23 7
   Favela 121 30 77 23
   Cortiço 31 8 24 7
Electricity     
   Yes 393 99 333 99
   No 3 1 3 1
Water supply     
   piped water 382 97 330 98
   public tap 14 3 6 2
Sewerage system     
   mains sewers / septic tank 282 71 255 76
   Other 114 29 81 24
Toilet     
   Family 274 69 260 77
   shared / none 122 31 76 23
N° of residents / n° of rooms     
   <1.00 40 10 45 13
   1.00 – 1.49 134 34 126 38
   1.50 – 2.49 108 27 98 29
   ≥2.50 113 29 67 20
N° of residents / n° of bedrooms     
   <3.00 81 21 71 21
   3.00–3.49 91 23 88 26
   3.50–4.99 104 26 85 25
   ≥ 5.00 119 30 92 28
N° of persons in the child's bedroom     
   ≤2 33 8 28 8
   3 121 31 119 36
   ≥4 242 61 189 56