To structure the database the application Microsoft Excel 2007 was used, and the statistical program Statistical Package for the Social Sciences SPSS version 17.0 for Windows was used for the analyses.
Para la estructuración de la base de datos se utilizó el aplicativo Microsoft Excel 2007, y para los análisis el programa estadístico Statistical Pachage for Social SPSS, versión 17,0 for Windows.
Para a estruturação do banco de dados, utilizou-se o aplicativo Microsoft Excel 2007, e para as análises o programa estatístico Statistical Pachage for Social SciencesSPSS, versão 17,0, para Windows.