Family Health Strategy, private health care, and inequalities in access to mammography in Brazil/Estrategia de Salud Familiar, salud suplementaria y desigualdad en el acceso a la mamografia en Brasil/Estrategia Saude da Familia, saude suplementar e desigualdade no acesso a mamografia no Brasil.(Artigo original texto en portugues)

Objective. To evaluate the association between access to mammography and coverage by private health insurance or by the public healthcare system through the Family Health Strategy (FHS). Method. An ecological study was performed with data obtained from the Unified Health System Data Processing Department (DATASUS). Time trends were analyzed using the Prais-Winsten method, having the Brazilian federal units as units of analysis. Multiple linear regression was used to investigate the relationship between the dependent variable--women aged 50 to 69 years who never had a mammogram and the independent variables (coverage by the FHS or private health care and socioeconomic aspects). Results. Acre was the only Brazilian state for which an increasing growth trend in private health care was not observed. Roraima, Tocantins, Maranhao, Piaui, Rio Grande do Norte, and Paraiba showed a stable trend for FHS coverage, whereas all other federal units had increasing coverage. A significant association was observed between never having had a mammogram at 50 to 69 years of age and the variables mean per capita income and FHS and private health care coverage ([R.sup.2]=0.77; P < 0.001). Conclusion. Unequal access to mammography is a reality in Brazil. Both private health care and the FHS have contributed to improve health care accessibility for Brazilian women. Keywords Primary health care; Family Health Strategy; supplemental health; mammography; health status disparities; Brazil. Objetivo. Evaluar la asociacion entre el acceso a la mamografia en Brasil y la cobertura prestada por la Estrategia de Salud Familiar (ESF) y por la salud suplementaria. Metodos. Se realizo un estudio ecologico con datos obtenidos del Departamento de Informatica del Sistema Unico de Salud (DATASUS). La tendencia de la serie temporal fue analizada mediante el metodo de Prais-Winsten utilizando como unidades de analisis las entidades federativas brasilenas. Para investigar la relacion entre la variable dependiente--mujeres de 50 a 69 anos que nunca se habian realizado una mamografia--y las independientes, de cobertura por la ESF o salud suplementaria y las variables socioeconomicas, se realizo un analisis de regresion lineal multiple. Resultados. Acre fue el unico estado que no presento una tendencia creciente para la cobertura por la salud suplementaria. Roraima, Tocantins, Maranhao, Piaui, Rio Grande do Norte y Paraiba presentaron una tendencia estacionaria para la cobertura por la ESF, mientras qu