Socioeconomic characteristics and relapse-free and overall survival from childhood cancer – a nationwide study based on data from the Danish Childhood Cancer Registry

Background and purpose: Over the past decades, childhood cancer survival has increased substantially in Europe, including Denmark. However, families with fewer social resources may have benefitted less from these improvements. In this nationwide register-based study, we assessed associations between...

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Main Authors: Fie Stegenborg, Mathilde Bek, Charlotte Nilsson, Line H. Pedersen, Thomas Scheike, Lisa Hjalgrim, Friederike Erdmann, Kjeld Schmiegelow, Pernille Bidstrup, Line Kenborg, Jeanette Winther, Hanne Larsen, Susanne Dalton
Format: Article
Language:English
Published: Medical Journals Sweden 2025-01-01
Series:Acta Oncologica
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Online Access:https://medicaljournalssweden.se/actaoncologica/article/view/42131
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author Fie Stegenborg
Mathilde Bek
Charlotte Nilsson
Line H. Pedersen
Thomas Scheike
Lisa Hjalgrim
Friederike Erdmann
Kjeld Schmiegelow
Pernille Bidstrup
Line Kenborg
Jeanette Winther
Hanne Larsen
Susanne Dalton
author_facet Fie Stegenborg
Mathilde Bek
Charlotte Nilsson
Line H. Pedersen
Thomas Scheike
Lisa Hjalgrim
Friederike Erdmann
Kjeld Schmiegelow
Pernille Bidstrup
Line Kenborg
Jeanette Winther
Hanne Larsen
Susanne Dalton
author_sort Fie Stegenborg
collection DOAJ
description Background and purpose: Over the past decades, childhood cancer survival has increased substantially in Europe, including Denmark. However, families with fewer social resources may have benefitted less from these improvements. In this nationwide register-based study, we assessed associations between parental socioeconomic position (SEP) and 5-year relapse-free survival (RFS) and overall survival (OS) in childhood cancer patients. Material and methods: All children aged <16 years diagnosed with cancer in Denmark between 1998 and 2017 were identified in the Danish Childhood Cancer Registry (N = 3245). Parents, with whom the children resided, were identified, and data on the parents’ education, cohabitation status, affiliation to work market, country of origin, and vital status of the children were obtained through individual-level linkage across Danish nationwide registries. Cox proportional hazards models were used to estimate the association between SEP indicators and 5-year RFS and OS. Results and interpretation: Tendencies towards lower 5-year RFS and OS were observed among children whose parents were unemployed/not in workforce (RFS: HR [hazard ratio] = 1.14, 95% CI [confidence interval]: 0.90–1.45, OS: HR = 1.28, 95% CI: 0.95–1.71) or from non-Western countries (RFS: HR = 1.21 95% CI: 0.96–1.52, OS: HR = 1.44, 95% CI: 1.09–1.90). Results by diagnostic groups revealed particularly low OS for children with non-central nervous system tumors whose parents were from non-Western countries (HR = 1.92, 95% CI: 1.24–2.97). Targeted strategies are needed to promote social equity and ensure optimal diagnosis, care, and management of childhood cancer across social groups.
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spelling doaj-art-d907f578b2b24caeaeaeedb0d69209a62025-01-30T08:31:07ZengMedical Journals SwedenActa Oncologica1651-226X2025-01-016410.2340/1651-226X.2025.42131Socioeconomic characteristics and relapse-free and overall survival from childhood cancer – a nationwide study based on data from the Danish Childhood Cancer RegistryFie Stegenborg0https://orcid.org/0009-0006-9591-4500Mathilde Bek1Charlotte Nilsson2Line H. Pedersen3Thomas Scheike4Lisa Hjalgrim5Friederike Erdmann6Kjeld Schmiegelow7Pernille Bidstrup8Line Kenborg9Jeanette Winther10Hanne Larsen11Susanne Dalton12Cancer Survivorship, Danish Cancer Institute, Copenhagen, DenmarkCancer Survivorship, Danish Cancer Institute, Copenhagen, DenmarkSection of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen, DenmarkCancer Survivorship, Danish Cancer Institute, Copenhagen, DenmarkSection of Biostatistics, Department of Public Health, University of Copenhagen, Copenhagen, DenmarkDepartment of Pediatrics and Adolescent Medicine, Copenhagen University Hospital, RigshospitaletResearch group Etiology and Inequalities in Childhood Cancer, Division of Childhood Cancer Epidemiology, Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Germany; Department of Prevention and Evaluation, Leibniz Institute for Prevention Research and Epidemiology – BIPS, Bremen, GermanyDepartment of Pediatrics and Adolescent Medicine, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Medicine, University of Copenhagen, Copenhagen, DenmarkPsychological Aspects of Cancer, Danish Cancer Institute, Danish Cancer Society, Copenhagen, Denmark; Department of Psychology, University of Copenhagen, DenmarkChildhood Cancer Research Group, Danish Cancer Institute, Copenhagen, DenmarkChildhood Cancer Research Group, Danish Cancer Institute, Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Health, Aarhus University and Aarhus University Hospital, DenmarkDepartment of Pediatrics and Adolescent Medicine, Copenhagen University Hospital, RigshospitaletCancer Survivorship, Danish Cancer Institute, Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Medicine, University of Copenhagen, Denmark; Department of Clinical Oncology & Palliative Care, Zealand University Hospital, Naestved, DenmarkBackground and purpose: Over the past decades, childhood cancer survival has increased substantially in Europe, including Denmark. However, families with fewer social resources may have benefitted less from these improvements. In this nationwide register-based study, we assessed associations between parental socioeconomic position (SEP) and 5-year relapse-free survival (RFS) and overall survival (OS) in childhood cancer patients. Material and methods: All children aged <16 years diagnosed with cancer in Denmark between 1998 and 2017 were identified in the Danish Childhood Cancer Registry (N = 3245). Parents, with whom the children resided, were identified, and data on the parents’ education, cohabitation status, affiliation to work market, country of origin, and vital status of the children were obtained through individual-level linkage across Danish nationwide registries. Cox proportional hazards models were used to estimate the association between SEP indicators and 5-year RFS and OS. Results and interpretation: Tendencies towards lower 5-year RFS and OS were observed among children whose parents were unemployed/not in workforce (RFS: HR [hazard ratio] = 1.14, 95% CI [confidence interval]: 0.90–1.45, OS: HR = 1.28, 95% CI: 0.95–1.71) or from non-Western countries (RFS: HR = 1.21 95% CI: 0.96–1.52, OS: HR = 1.44, 95% CI: 1.09–1.90). Results by diagnostic groups revealed particularly low OS for children with non-central nervous system tumors whose parents were from non-Western countries (HR = 1.92, 95% CI: 1.24–2.97). Targeted strategies are needed to promote social equity and ensure optimal diagnosis, care, and management of childhood cancer across social groups. https://medicaljournalssweden.se/actaoncologica/article/view/42131Childhood cancerSocioeconomic positionSocial inequalityrelapseCancer survivalregister-based study
spellingShingle Fie Stegenborg
Mathilde Bek
Charlotte Nilsson
Line H. Pedersen
Thomas Scheike
Lisa Hjalgrim
Friederike Erdmann
Kjeld Schmiegelow
Pernille Bidstrup
Line Kenborg
Jeanette Winther
Hanne Larsen
Susanne Dalton
Socioeconomic characteristics and relapse-free and overall survival from childhood cancer – a nationwide study based on data from the Danish Childhood Cancer Registry
Acta Oncologica
Childhood cancer
Socioeconomic position
Social inequality
relapse
Cancer survival
register-based study
title Socioeconomic characteristics and relapse-free and overall survival from childhood cancer – a nationwide study based on data from the Danish Childhood Cancer Registry
title_full Socioeconomic characteristics and relapse-free and overall survival from childhood cancer – a nationwide study based on data from the Danish Childhood Cancer Registry
title_fullStr Socioeconomic characteristics and relapse-free and overall survival from childhood cancer – a nationwide study based on data from the Danish Childhood Cancer Registry
title_full_unstemmed Socioeconomic characteristics and relapse-free and overall survival from childhood cancer – a nationwide study based on data from the Danish Childhood Cancer Registry
title_short Socioeconomic characteristics and relapse-free and overall survival from childhood cancer – a nationwide study based on data from the Danish Childhood Cancer Registry
title_sort socioeconomic characteristics and relapse free and overall survival from childhood cancer a nationwide study based on data from the danish childhood cancer registry
topic Childhood cancer
Socioeconomic position
Social inequality
relapse
Cancer survival
register-based study
url https://medicaljournalssweden.se/actaoncologica/article/view/42131
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