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- Title
Cancer survival in New South Wales, Australia: socioeconomic disparities remain despite overall improvements.
- Authors
Stanbury, Julia F.; Baade, Peter D.; Yan Yu; Xue Qin Yu; Yu, Yan; Yu, Xue Qin
- Abstract
<bold>Background: </bold>Disparities in cancer survival by socioeconomic status have been reported previously in Australia. We investigated whether those disparities have changed over time.<bold>Methods: </bold>We used population-based cancer registry data for 377,493 patients diagnosed with one of 10 major cancers in New South Wales (NSW), Australia. Patients were assigned to an area-based measure of socioeconomic status. Five-year relative survival was estimated for each socioeconomic quintile in each 'at risk' period (1996-2000 and 2004-2008) for the 10 individual cancers. Poisson-regression modelling was used to adjust for several prognostic factors. The relative excess risk of death by socioeconomic quintile derived from this modelling was compared over time.<bold>Results: </bold>Although survival increased over time for most individual cancers, Poisson-regression models indicated that socioeconomic disparities continued to exist in the recent period. Significant socioeconomic disparities were observed for stomach, colorectal, liver, lung, breast and prostate cancer in 1996-2000 and remained so for 2004-2008, while significant disparities emerged for cervical and uterus cancer in 2004-2008 (although the interaction between period and socioeconomic status was not significant). About 13.4% of deaths attributable to a diagnosis of cancer could have been postponed if this socioeconomic disparity was eliminated.<bold>Conclusion: </bold>While recent health and social policies in NSW have accompanied an increase in cancer survival overall, they have not been associated with a reduction in socioeconomic inequalities.
- Subjects
NEW South Wales; CANCER diagnosis; SOCIOECONOMIC factors; HEALTH equity; SOCIAL status; REGRESSION analysis; SOCIAL history; TUMORS
- Publication
BMC Cancer, 2016, Vol 16, p1
- ISSN
1471-2407
- Publication type
journal article
- DOI
10.1186/s12885-016-2065-z