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Table 1 Entomological indices and regularity of water supply, Managua, January 2013

From: Informed community mobilization for dengue prevention in households with and without a regular water supply: Secondary analysis from the Camino Verde trial in Nicaragua

Water supply No. households House Indexa Pupae
Positive households House Index (%) N Mean per household
Regular 4075 565 14 1314 0.3
Irregular 4046 968 24 3496 0.9
  1. aHouse Index = percent of houses infested with larvae and/or pupae