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Journal of Cancer Epidemiology
Volume 2013 (2013), Article ID 612514, 6 pages
Research Article

The Impact of Adjustment for Socioeconomic Status on Comparisons of Cancer Incidence between Two European Countries

1Northern Ireland Cancer Registry, Centre for Public Health, Mulhouse Building, Grosvenor Road, Belfast BT12 6DP, UK
2MACSI, Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland
3National Cancer Registry, Building 6800, Cork Airport Business Park, Kinsale Road, Cork, Ireland
4Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
5CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain

Received 12 September 2013; Accepted 11 November 2013

Academic Editor: T. L. Vaughan

Copyright © 2013 David W. Donnelly et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

The supplementary tables provide further background data on the analysis conducted and the results produced. Table 1 provides population data and the number of areas (wards and EDs) included in each socio-economic status category. Table 2 includes cancer incidence rate ratios (with 95% confidence intervals) for socio-economic quintiles adjusted for age. This table thus describes the relationship between cancer incidence and socio-economic status in Ireland during the period of the study. Table 3 presents cancer incidence rate ratios (with 95% confidence intervals) for Northern Ireland compared to Republic of Ireland adjusted for age and age plus socio-economic status. This table includes the main results from the study which form the basis for figure 1 included in the article.

  1. Supplementary Tables