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Table 6 Container characteristics associated a with the number of pupae per container identified as risk factors for dengue vector breeding during wet and dry season in private and public premises (outdoor and indoor)

From: Ecological, biological and social dimensions of dengue vector breeding in five urban settings of Latin America: a multi-country study

  Dry season Wet season
Container IRRb 95% CI P-value IRRb 95% CI P-value
Not under shrubbery Reference    Reference   
Fully or partially under shrubbery 0.81 0.43-1.50 0.497 0.96 0.61- 1.49 0.862
Used during past 7 days Reference    Reference   
Not used during past 7 days 3.48 1.71-7.05 0.001 2.44 1.60- 3.72 <0.001
Fully covered Reference    Reference   
Partially covered 0.90 0.39-2.05 0.807 6.22 2.98- 12.96 <0.001
Not covered 15.10 7.70- 29.58 <0.001 9.88 5.67- 17.19 <0.001
Localization indoor Reference    Reference   
Outdoor 3.87 2.03-7.36 <0.001 1.39 0.94- 2.04 0.092
Faucet water Reference    Reference   
Rain water 3.42 1.14- 10.26 0.028 1.28 0.79- 2.06 0.315
Filled with rain water and tap water 5.20 2.21- 12.21 <0.001 1.24 0.62- 2.50 0.538
  1. aResults of negative binomial regression with clustering at the study cluster level.
  2. bIncidence rate ratio. Example: the expected pupal count for containers not used in the past 7 days is 3.48 times higher than that for containers used in the past 7 days.