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Table 1 Sample characteristics in Recife, Curitiba and Vitória, Brazil, 2007-2009.

From: Walking for leisure among adults from three Brazilian cities and its association with perceived environment attributes and personal factors

  Study site (year) Recife (2007) Curitiba (2008) Vitória (2009)
Sampling
criteria
Eligible respondents 3632 3406 2690
  Random sample 2400 households with at least 1 telephone landline from each stratum, 12 clusters of 200 telephone numbers each. 1000 people distributed across 9 strata and 1000 distributed in 4 extreme SES** strata. Stratified according to presence or not of SOE* modules in the neighborhood
  Final sampling 2046 2097 2023
  Response rates 64,5% 60,5% 75,2%
Environmental characteristics Population 1,561,659 1,851,215 320,156
  Automobile fleet (units) 307,166 867,066 109,305
  Inhabitants/cars 5.1 2.1 2.9
  Crimes (Homicides/100,000 inhabitants) 87.5 45.5 75.4
  1. *SOE-Serviço de Orientação ao Exercício (Exercise Orientation Service)
  2. ** SES-Socio Economic Status