A method for calculating age-weighted death proportions for comparison purposes

A method for calculating age-weighted death proportions for comparison purposes

Autor Marcopito, Luiz F Autor UNIFESP Google Scholar
Berlin, J. A. Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Univ Penn
Resumo Objective To introduce a method for calculating age-weighted death proportions (wDP) for comparison purposes.Materials and Methods A methodological study using secondary data from the municipality of São Paulo, Brazil (1980-1994) was carried out. First, deaths are weighted in terms of years of potential life lost before the age of 100 years. Then, in order to eliminate distortion of comparisons among proportions of years of potential life lost before the age of 100 years (PYPLL-100), the denominator is set to that of a standard age distribution of deaths for all causes. Conventional death proportions (DP), PYPLL-100, and wDP were calculated.Results Populations in which deaths from a particular cause occur at older ages exhibit lower wDP than those in which deaths occur at younger ages. the sum of all cause-specific wDP equals one only when the test population has exactly the same age distribution of deaths for all causes as that of the standard population.Conclusion Age-weighted death proportions improve the information given by conventional DP, and are strongly recommended for comparison purposes.
Palavra-chave epidemiology
epidemiologic methods
mortality
age-standardization
proportionate mortality
Idioma Inglês
Data de publicação 1998-12-01
Publicado em International Journal of Epidemiology. Oxford: Oxford Univ Press, v. 27, n. 6, p. 1044-1052, 1998.
ISSN 0300-5771 (Sherpa/Romeo, fator de impacto)
Publicador Oxford Univ Press
Extensão 1044-1052
Fonte http://dx.doi.org/10.1093/ije/27.6.1044
Direito de acesso Acesso aberto Open Access
Tipo Artigo
Web of Science WOS:000078602900019
Endereço permanente http://repositorio.unifesp.br/handle/11600/25984

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