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Published version

Publication date

2009-12-18

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cc-by (c) Valls, J. et al., 2009
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/48501

RiskDiff: A web tool for the analysis of the difference due to risk and demographic factors for incidence or mortality data.

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http://dx.doi.org/10.1186/1471-2458-9-473

Abstract

Background Analysing the observed differences for incidence or mortality of a particular disease between two different situations (such as time points, geographical areas, gender or other social characteristics) can be useful both for scientific or administrative purposes. From an epidemiological and public health point of view, it is of great interest to assess the effect of demographic factors in these observed differences in order to elucidate the effect of the risk of developing a disease or dying from it. The method proposed by Bashir and Estève, which splits the observed variation into three components: risk, population structure and population size is a common choice at practice. Results A web-based application, called RiskDiff has been implemented (available at http://rht.iconcologia.net/riskdiff.htm webcite), to perform this kind of statistical analyses, providing text and graphical summaries. Code from the implemented functions in R is also provided. An application to cancer mortality data from Catalonia is used for illustration. Conclusions Combining epidemiological with demographical factors is crucial for analysing incidence or mortality from a disease, especially if the population pyramids show substantial differences. The tool implemented may serve to promote and divulgate the use of this method to give advice for epidemiologic interpretation and decision making in public health.

Subject

Estadística demogràfica, Epidemiologia, Salut pública, Mortalitat, Programari gratuït

Subject (English)

Vital statistics, Epidemiology, Public health, Mortality, Free computer software

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Articles publicats en revistes (Ciències Clíniques)
Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))

Citation

VALLS I MARSAL, Joan, et al. RiskDiff: A web tool for the analysis of the difference due to risk and demographic factors for incidence or mortality data. BMC Public Health. 2009. Vol. 18, num. 9, pags. 473. ISSN 1471-2458. [consulted: 12 of August of 2026]. Available at: https://hdl.handle.net/2445/48501

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