Contribution of income-related inequality and healthcare utilisation to survival in cancers of the lung, liver, stomach and colon

ObjectivesTo examine differences in the survival rates of cancer patients according to socioeconomic status, focusing on the role of the degree of healthcare utilisation by the patient.MethodsAn observational follow-up study was done for 261 lung cancer, 259 liver cancer, 268 stomach cancer and 270...

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Veröffentlicht in:Journal of epidemiology and community health (1979) 2012-01, Vol.66 (1), p.37-40
Hauptverfasser: Yim, Jun, Hwang, Seung-sik, Yoo, Keun-young, Kim, Chang-yup
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container_title Journal of epidemiology and community health (1979)
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creator Yim, Jun
Hwang, Seung-sik
Yoo, Keun-young
Kim, Chang-yup
description ObjectivesTo examine differences in the survival rates of cancer patients according to socioeconomic status, focusing on the role of the degree of healthcare utilisation by the patient.MethodsAn observational follow-up study was done for 261 lung cancer, 259 liver cancer, 268 stomach cancer and 270 colon cancer patients, diagnosed during 1999–2002. Income status and healthcare utilisation were assessed with National Health Insurance (NHI) data; survival during 1999–2002 was identified by death certificate. HRs and 95% CI were derived from Cox proportional hazards regression.Results and ConclusionsThe HRs for low income status are larger for colon cancer (2.37, 95% CI 1.17 to 4.80), followed by stomach (1.67, 95% CI 1.01 to 2.78), liver (1.57, 95% CI 1.03 to 2.39) and lung cancers (1.46, 95% CI 0.99 to 2.14). In the model including the variable of healthcare utilisation, colon and stomach cancers exhibited a lower HR in the moderate healthcare utilisation groups (0.40, 95% CI 0.21 to 0.76 in colon; 0.59, 95% CI 0.37 to 0.96 in stomach), whereas for liver cancer, the high utilisation group exhibited a higher hazard (1.72, 95% CI 1.07 to 2.75). A lower income status is independently related to a shorter survival time in cancer patients, especially in less fatal cancers. Healthcare utilisation independently affects the likelihood of survival from colon and stomach cancers, implying that a moderate degree of healthcare utilisation contributes to a longer survival time.
doi_str_mv 10.1136/jech.2009.104554
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Income status and healthcare utilisation were assessed with National Health Insurance (NHI) data; survival during 1999–2002 was identified by death certificate. HRs and 95% CI were derived from Cox proportional hazards regression.Results and ConclusionsThe HRs for low income status are larger for colon cancer (2.37, 95% CI 1.17 to 4.80), followed by stomach (1.67, 95% CI 1.01 to 2.78), liver (1.57, 95% CI 1.03 to 2.39) and lung cancers (1.46, 95% CI 0.99 to 2.14). In the model including the variable of healthcare utilisation, colon and stomach cancers exhibited a lower HR in the moderate healthcare utilisation groups (0.40, 95% CI 0.21 to 0.76 in colon; 0.59, 95% CI 0.37 to 0.96 in stomach), whereas for liver cancer, the high utilisation group exhibited a higher hazard (1.72, 95% CI 1.07 to 2.75). A lower income status is independently related to a shorter survival time in cancer patients, especially in less fatal cancers. Healthcare utilisation independently affects the likelihood of survival from colon and stomach cancers, implying that a moderate degree of healthcare utilisation contributes to a longer survival time.</description><identifier>ISSN: 0143-005X</identifier><identifier>EISSN: 1470-2738</identifier><identifier>DOI: 10.1136/jech.2009.104554</identifier><identifier>PMID: 20961877</identifier><identifier>CODEN: JECHDR</identifier><language>eng</language><publisher>London: BMJ Publishing Group Ltd</publisher><subject>Biological and medical sciences ; Cancer ; Colorectal cancer ; Colorectal Neoplasms - epidemiology ; Colorectal Neoplasms - mortality ; Confidence Intervals ; Family medical history ; Female ; Gastric cancer ; General aspects ; Health care ; Health care industry ; Health Services - statistics &amp; numerical data ; Health Services - utilization ; Health Status Disparities ; heath-care utilisation ; Hospitals ; Humans ; Income ; Income - statistics &amp; numerical data ; Income inequality ; Kaplan-Meier Estimate ; Korea ; Korea - epidemiology ; Liver ; Liver cancer ; Liver Neoplasms - epidemiology ; Liver Neoplasms - mortality ; Lung cancer ; Lung neoplasms ; Lung Neoplasms - epidemiology ; Lung Neoplasms - mortality ; Male ; Medicaid ; Medical records ; Medical sciences ; Miscellaneous ; Morphology ; Mortality ; Multivariate analysis ; National health insurance ; Population ; Public health. Hygiene ; Public health. Hygiene-occupational medicine ; Quality ; Registries ; Research report ; Risk Assessment ; Social Class ; social inequalities ; Socioeconomic factors ; Socioeconomic status ; Socioeconomics ; Stomach ; Stomach cancer ; Stomach Neoplasms - epidemiology ; Stomach Neoplasms - mortality ; Survival ; Survivors - statistics &amp; numerical data ; Tumors</subject><ispartof>Journal of epidemiology and community health (1979), 2012-01, Vol.66 (1), p.37-40</ispartof><rights>2011, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.</rights><rights>Copyright © 2012 BMJ Publishing Group</rights><rights>2015 INIST-CNRS</rights><rights>Copyright: 2011 (c) 2011, Published by the BMJ Publishing Group Limited. 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Income status and healthcare utilisation were assessed with National Health Insurance (NHI) data; survival during 1999–2002 was identified by death certificate. HRs and 95% CI were derived from Cox proportional hazards regression.Results and ConclusionsThe HRs for low income status are larger for colon cancer (2.37, 95% CI 1.17 to 4.80), followed by stomach (1.67, 95% CI 1.01 to 2.78), liver (1.57, 95% CI 1.03 to 2.39) and lung cancers (1.46, 95% CI 0.99 to 2.14). In the model including the variable of healthcare utilisation, colon and stomach cancers exhibited a lower HR in the moderate healthcare utilisation groups (0.40, 95% CI 0.21 to 0.76 in colon; 0.59, 95% CI 0.37 to 0.96 in stomach), whereas for liver cancer, the high utilisation group exhibited a higher hazard (1.72, 95% CI 1.07 to 2.75). A lower income status is independently related to a shorter survival time in cancer patients, especially in less fatal cancers. 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Income status and healthcare utilisation were assessed with National Health Insurance (NHI) data; survival during 1999–2002 was identified by death certificate. HRs and 95% CI were derived from Cox proportional hazards regression.Results and ConclusionsThe HRs for low income status are larger for colon cancer (2.37, 95% CI 1.17 to 4.80), followed by stomach (1.67, 95% CI 1.01 to 2.78), liver (1.57, 95% CI 1.03 to 2.39) and lung cancers (1.46, 95% CI 0.99 to 2.14). In the model including the variable of healthcare utilisation, colon and stomach cancers exhibited a lower HR in the moderate healthcare utilisation groups (0.40, 95% CI 0.21 to 0.76 in colon; 0.59, 95% CI 0.37 to 0.96 in stomach), whereas for liver cancer, the high utilisation group exhibited a higher hazard (1.72, 95% CI 1.07 to 2.75). A lower income status is independently related to a shorter survival time in cancer patients, especially in less fatal cancers. Healthcare utilisation independently affects the likelihood of survival from colon and stomach cancers, implying that a moderate degree of healthcare utilisation contributes to a longer survival time.</abstract><cop>London</cop><pub>BMJ Publishing Group Ltd</pub><pmid>20961877</pmid><doi>10.1136/jech.2009.104554</doi><tpages>4</tpages></addata></record>
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subjects Biological and medical sciences
Cancer
Colorectal cancer
Colorectal Neoplasms - epidemiology
Colorectal Neoplasms - mortality
Confidence Intervals
Family medical history
Female
Gastric cancer
General aspects
Health care
Health care industry
Health Services - statistics & numerical data
Health Services - utilization
Health Status Disparities
heath-care utilisation
Hospitals
Humans
Income
Income - statistics & numerical data
Income inequality
Kaplan-Meier Estimate
Korea
Korea - epidemiology
Liver
Liver cancer
Liver Neoplasms - epidemiology
Liver Neoplasms - mortality
Lung cancer
Lung neoplasms
Lung Neoplasms - epidemiology
Lung Neoplasms - mortality
Male
Medicaid
Medical records
Medical sciences
Miscellaneous
Morphology
Mortality
Multivariate analysis
National health insurance
Population
Public health. Hygiene
Public health. Hygiene-occupational medicine
Quality
Registries
Research report
Risk Assessment
Social Class
social inequalities
Socioeconomic factors
Socioeconomic status
Socioeconomics
Stomach
Stomach cancer
Stomach Neoplasms - epidemiology
Stomach Neoplasms - mortality
Survival
Survivors - statistics & numerical data
Tumors
title Contribution of income-related inequality and healthcare utilisation to survival in cancers of the lung, liver, stomach and colon
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