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Published online: 2023-08-21
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Socioeconomic factors and suicide risk in Polish cancer patients – a population-based cohort study exploring associations and implications

Irmina M. Michałek1, Florentino Luciano Caetano dos Santos2, Urszula Wojciechowska1, Joanna Didkowska1
Affiliations
  1. Polish National Cancer Registry, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
  2. Harvard Business School, Harvard University, Boston, MA, USA

open access

Ahead of print
Original article
Published online: 2023-08-21

Abstract

Introduction. This study aimed to explore socioeconomic factors influencing suicide rate in Polish cancer patients.

Material and methods. Data on cancer cases and socioeconomic covariates were obtained from the Polish National Cancer Registry and Statistics Poland. Suicide rates were calculated for each year. Multivariable linear regression analyses explored associations between unemployment, income, university education, access to physicians overall and to psychiatry hospitals, and suicide incidence.

Results. The study included 1.43 million cancer patients diagnosed between 2009 and 2019. Among them, 830 suicides were identified, with higher rates among men. Income per capita and higher education degrees were significant predictors of suicide among male cancer patients (p = 0.05 and 0.01, respectively). However, no significant associations were found for female cancer patients. The regression models explained 13% of the variation in male suicide incidence.

Conclusions. Lower income and higher education increase suicide risk in male cancer patients, highlighting the need for targeted interventions.

Abstract

Introduction. This study aimed to explore socioeconomic factors influencing suicide rate in Polish cancer patients.

Material and methods. Data on cancer cases and socioeconomic covariates were obtained from the Polish National Cancer Registry and Statistics Poland. Suicide rates were calculated for each year. Multivariable linear regression analyses explored associations between unemployment, income, university education, access to physicians overall and to psychiatry hospitals, and suicide incidence.

Results. The study included 1.43 million cancer patients diagnosed between 2009 and 2019. Among them, 830 suicides were identified, with higher rates among men. Income per capita and higher education degrees were significant predictors of suicide among male cancer patients (p = 0.05 and 0.01, respectively). However, no significant associations were found for female cancer patients. The regression models explained 13% of the variation in male suicide incidence.

Conclusions. Lower income and higher education increase suicide risk in male cancer patients, highlighting the need for targeted interventions.

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Keywords

cancer; suicide; risk; epidemiology; cohort study

About this article
Title

Socioeconomic factors and suicide risk in Polish cancer patients – a population-based cohort study exploring associations and implications

Journal

Nowotwory. Journal of Oncology

Issue

Ahead of print

Article type

Research paper (original)

Published online

2023-08-21

Page views

44

Article views/downloads

22

DOI

10.5603/njo.96512

Keywords

cancer
suicide
risk
epidemiology
cohort study

Authors

Irmina M. Michałek
Florentino Luciano Caetano dos Santos
Urszula Wojciechowska
Joanna Didkowska

References (9)
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  7. Didkowska J, Wojciechowska U, Michalek IM, et al. Cancer incidence and mortality in Poland in 2019. Sci Rep. 2022; 12(1): 10875.
  8. Vandenbroucke JP, von Elm E, Altman DG, et al. STROBE Initiative. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration. PLoS Med. 2007; 4(10): e297.
  9. Suk R, Hong YR, Wasserman RM, et al. Analysis of Suicide After Cancer Diagnosis by US County-Level Income and Rural vs Urban Designation, 2000-2016. JAMA Netw Open. 2021; 4(10): e2129913.

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