Methods for estimating - SciELO
Rev Sa de P blica 2008;42(6)Leticia M S CoutinhoI,IIMarcia ScazufcaII,IIIPaulo R MenezesI,III Departamento de Medicina Preventiva. Faculdade de Medicina Universidade de S o Paulo. S o Paulo, SP, BrasilII N cleo de Epidemiologia. Hospital Universit rio. Universidade de S o Paulo. S o Paulo, SP, BrasilIII Departamento de Psiquiatria. Faculdade de Medicina Universidade de S o Paulo. S o Paulo, SP, BrasilCorrespondence:Paulo Rossi MenezesDepartamento de Medicina PreventivaFaculdade de Medicina da Universidade de S o PauloAv. Dr. Arnaldo 45501246-903 S o Paulo, SP, BrasilE-mail: 11/27/2007Revised: 5/13/2008Approved: 6/4/2008Methods for estimating prevalence ratios in cross-sectional studiesABSTRACTOBJECTIVE: To empirically compare the Cox, log-binomial, Poisson and logistic regressions to obtain estimates of prevalence ratios (PR) in cross-sectional : Data from a population-based cross-sectional epidemiological study (n = 2072) on elderly people in Sao Paulo (Southeastern Brazil), conducted between May 2003 and April 2005, were used.
2 Methods for estimating prevalence ratios Coutinho LMS et al ORs do not approximate well to PRs when the initial risk is high, and in these situations, interpreting ORs ...
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