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Table 1 Districts and populations of Recife, Brazil in 2010 stratified according to the living conditions

From: Microcephaly epidemic related to the Zika virus and living conditions in Recife, Northeast Brazil

Strata Districts (n) Population % Strata Centrea
1 14 205,926 13.5 22.2
2 10 100,351 6.6 40.0
3 30 533,540 35.1 68.1
4 40 680,762 44.8 88.0
Total 94 1,520,579 100
  1. aFinal strata Centres (% of heads of households with an income below twice the minimum wage) in the K-means analysis; df = 3; F = 570.6; P < 0.0001