title: Cluster vs. Robust Estimation of Risk Ratio using Expanded Logistic Regression.
authors.affiliation: Departamento de Epidemiologia, Faculdade de Saúde Pública da Universidade de São Paulo. São Paulo, SP, Brazil.
authors.forename: Fredi Alexander
authors.initials: FA
authors.lastname: Diaz-Quijano
authors.affiliation: Assistant Professor of Biostatistics, Department of Biostatistics, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
authors.forename: Leila
authors.initials: L
authors.lastname: Janani
authors.affiliation: Assistant Professor of Epidemiology, Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Mohammad Ali
authors.initials: MA
authors.lastname: Mansournia
mesh_terms: D006801:Humans; D016015:Logistic Models; D015233:Models, Statistical; D016017:Odds Ratio; D012044:Regression Analysis