Chasing cancer: does the social-to-medical spending ratio relate to cancer incidence and mortality in Canadian provinces? A retrospective cohort study
Introduction Cancer is the leading cause of death in Canada, and cases are expected to rise by 83% between 2012 and 2042. Jurisdictions with higher ratios of social-to-medical spending exhibit better population health outcomes; however, the connection between the ratio and both cancer incidence and...
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| Format: | Article |
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BMJ Publishing Group
2024-07-01
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| Series: | BMJ Public Health |
| Online Access: | https://bmjpublichealth.bmj.com/content/2/1/e000858.full |
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| author | Tony Reiman Robin Urquhart Lindsay McLaren Cameron MacLellan Paul Kershaw Ronald D Kneebone Daniel J Dutton |
| author_facet | Tony Reiman Robin Urquhart Lindsay McLaren Cameron MacLellan Paul Kershaw Ronald D Kneebone Daniel J Dutton |
| author_sort | Tony Reiman |
| collection | DOAJ |
| description | Introduction Cancer is the leading cause of death in Canada, and cases are expected to rise by 83% between 2012 and 2042. Jurisdictions with higher ratios of social-to-medical spending exhibit better population health outcomes; however, the connection between the ratio and both cancer incidence and mortality is not well established. We aim to determine the association between the ratio and both age-standardised cancer incidence and mortality.Methods Using linear regressions with provincial and yearly fixed effects, we measured associations between the ratio and incidence of the four most common cancers in Canada (ie, lung and bronchus, colorectal, breast and prostate cancer), and mortality from any cancer, from 1992 to 2017 (incidence) and 2000 to 2019 (mortality).Results A one-cent increase in social spending for each dollar spent on medical services was significantly associated with a decrease in colorectal (−0.2%), breast (−0.1%), and prostate cancer (−0.6%). The relationship is statistically insignificant and negligible for lung cancer incidence and cancer mortality.Conclusion The ratio was significantly associated with a decrease in three out of four cancer incidence categories, but not mortality. This implies that, consistent with the social determinants of health, preventing cancer incidence might be a function of social spending, whereas medical spending is more relevant for individuals already diagnosed with cancer. This analysis points to the importance of a health-in-all-policies perspective, as social spending might be more important for population health than spending on the medical care system. We provide evidence that morbidity measures are responsive to the ratio, building on a literature focused on mortality. |
| format | Article |
| id | doaj-art-7d6cebb14e6d42278f28167932ac6bf0 |
| institution | Kabale University |
| issn | 2753-4294 |
| language | English |
| publishDate | 2024-07-01 |
| publisher | BMJ Publishing Group |
| record_format | Article |
| series | BMJ Public Health |
| spelling | doaj-art-7d6cebb14e6d42278f28167932ac6bf02025-01-28T20:20:08ZengBMJ Publishing GroupBMJ Public Health2753-42942024-07-012110.1136/bmjph-2023-000858Chasing cancer: does the social-to-medical spending ratio relate to cancer incidence and mortality in Canadian provinces? A retrospective cohort studyTony Reiman0Robin Urquhart1Lindsay McLaren2Cameron MacLellan3Paul Kershaw4Ronald D Kneebone5Daniel J Dutton6Department of Oncology, Saint John Regional Hospital, Saint John, New Brunswick, CanadaCommunity Health & Epidemiology, Dalhousie University, Halifax, Nova Scotia, CanadaDepartment of Community Health Sciences Cumming School of Medicine, University of Calgary, Calgary, Alberta, CanadaCommunity Health & Epidemiology, Dalhousie University, Halifax, Nova Scotia, CanadaSchool of Population and Public Health, The University of British Columbia, Vancouver, British Columbia, CanadaEconomics, University of Calgary, Calgary, Alberta, CanadaCommunity Health & Epidemiology, Dalhousie University, Halifax, Nova Scotia, CanadaIntroduction Cancer is the leading cause of death in Canada, and cases are expected to rise by 83% between 2012 and 2042. Jurisdictions with higher ratios of social-to-medical spending exhibit better population health outcomes; however, the connection between the ratio and both cancer incidence and mortality is not well established. We aim to determine the association between the ratio and both age-standardised cancer incidence and mortality.Methods Using linear regressions with provincial and yearly fixed effects, we measured associations between the ratio and incidence of the four most common cancers in Canada (ie, lung and bronchus, colorectal, breast and prostate cancer), and mortality from any cancer, from 1992 to 2017 (incidence) and 2000 to 2019 (mortality).Results A one-cent increase in social spending for each dollar spent on medical services was significantly associated with a decrease in colorectal (−0.2%), breast (−0.1%), and prostate cancer (−0.6%). The relationship is statistically insignificant and negligible for lung cancer incidence and cancer mortality.Conclusion The ratio was significantly associated with a decrease in three out of four cancer incidence categories, but not mortality. This implies that, consistent with the social determinants of health, preventing cancer incidence might be a function of social spending, whereas medical spending is more relevant for individuals already diagnosed with cancer. This analysis points to the importance of a health-in-all-policies perspective, as social spending might be more important for population health than spending on the medical care system. We provide evidence that morbidity measures are responsive to the ratio, building on a literature focused on mortality.https://bmjpublichealth.bmj.com/content/2/1/e000858.full |
| spellingShingle | Tony Reiman Robin Urquhart Lindsay McLaren Cameron MacLellan Paul Kershaw Ronald D Kneebone Daniel J Dutton Chasing cancer: does the social-to-medical spending ratio relate to cancer incidence and mortality in Canadian provinces? A retrospective cohort study BMJ Public Health |
| title | Chasing cancer: does the social-to-medical spending ratio relate to cancer incidence and mortality in Canadian provinces? A retrospective cohort study |
| title_full | Chasing cancer: does the social-to-medical spending ratio relate to cancer incidence and mortality in Canadian provinces? A retrospective cohort study |
| title_fullStr | Chasing cancer: does the social-to-medical spending ratio relate to cancer incidence and mortality in Canadian provinces? A retrospective cohort study |
| title_full_unstemmed | Chasing cancer: does the social-to-medical spending ratio relate to cancer incidence and mortality in Canadian provinces? A retrospective cohort study |
| title_short | Chasing cancer: does the social-to-medical spending ratio relate to cancer incidence and mortality in Canadian provinces? A retrospective cohort study |
| title_sort | chasing cancer does the social to medical spending ratio relate to cancer incidence and mortality in canadian provinces a retrospective cohort study |
| url | https://bmjpublichealth.bmj.com/content/2/1/e000858.full |
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