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IRDES RESEARCH SEMINARS


seminaire@irdes.fr


The IRDES Research Seminars provide a forum for the presentation, scientific discussion and communication of works in progress in health economics. They are held in IRDES premises and are open to the research community.

Length of a session: 1.5 hours

- Authors’ presentation: 40 minutes

- Discussion by a senior researcher: 25 minutes

- Open discussion: 25 minutes

Seminar registration:

Please click on the button "Register" and choose the event in the drop-down list.
You will receive an e-mail confirming that your registration has been received.



UPCOMING SEMINARS

Friday March 17th, 2017, 11.00 AM Irdes

Social Inequality in Cancer Survival in Canada

Auteurs : Grignon M. (McMaster University Hamilton, Ontario, Canada)

Discutant : Or Z. (Irdes)


A social gradient in the survival period following a cancer diagnosis has long been observed, even in countries with universal publicly funded access to health care services. However, the evidence is based mostly on neighbourhood or area rather than on individual level observations; moreover, it is quite dated or refers to specific cancer sites.
Our estimates are based on an extraordinary Canadian database in which records from 20 percent of respondents in the 1991 Census of Population are linked to 326,000 longitudinal records of ever-diagnosed individuals from the Canadian Cancer Registry; mortality is tracked to the end of 2010.
We estimate Cox proportional hazard regression models to assess the effects of SES on survival after diagnosis, while controlling for a variety of other factors.
We find that survival rates after diagnosis vary with SES: in the lowest educational category, these rates are 15 percent below those in the highest; in the lowest income quintile, they are 17 percent below those in the highest.
The study provides strong evidence that cancer survival is associated with SES: those with higher levels of education and income live longer even after accounting for age, sex, occupation, immigrant status and ethnic origin, region of residence, marital status, tumor site, and cancer stage at the time of diagnosis. The other factors that might explain some of the differences - but which we were unable to take into account - could be lifestyle differences, including smoking, exercise and nutritional practices, as well as treatment differences.

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March 2nd, 2017