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Nationwide mammography screening participation in Denmark during the COVID-19 pandemic: An observational study

BACKGROUND: In most of the world, the mammography screening programmes were paused at the start of the pandemic, whilst mammography screening continued in Denmark. We examined the mammography screening participation during the COVID-19 pandemic in Denmark. METHODS: The study population comprised all...

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Autores principales: Olesen, Tina Bech, Jensen, Henry, Møller, Henrik, Jensen, Jens Winther, Andersen, Berit, Vejborg, Ilse, Njor, Sisse H
Formato: Online Artículo Texto
Lenguaje:English
Publicado: eLife Sciences Publications, Ltd 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10513477/
https://www.ncbi.nlm.nih.gov/pubmed/37589381
http://dx.doi.org/10.7554/eLife.83541
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author Olesen, Tina Bech
Jensen, Henry
Møller, Henrik
Jensen, Jens Winther
Andersen, Berit
Vejborg, Ilse
Njor, Sisse H
author_facet Olesen, Tina Bech
Jensen, Henry
Møller, Henrik
Jensen, Jens Winther
Andersen, Berit
Vejborg, Ilse
Njor, Sisse H
author_sort Olesen, Tina Bech
collection PubMed
description BACKGROUND: In most of the world, the mammography screening programmes were paused at the start of the pandemic, whilst mammography screening continued in Denmark. We examined the mammography screening participation during the COVID-19 pandemic in Denmark. METHODS: The study population comprised all women aged 50–69 years old invited to participate in mammography screening from 2016 to 2021 in Denmark based on data from the Danish Quality Database for Mammography Screening in combination with population-based registries. Using a generalised linear model, we estimated prevalence ratios (PRs) and 95% confidence intervals (CIs) of mammography screening participation within 90, 180, and 365 d since invitation during the pandemic in comparison with the previous years adjusting for age, year and month of invitation. RESULTS: The study comprised 1,828,791 invitations among 847,766 women. Before the pandemic, 80.2% of invitations resulted in participation in mammography screening within 90 d, 82.7% within 180 d, and 83.1% within 365 d. At the start of the pandemic, the participation in screening within 90 d was reduced to 69.9% for those invited in pre-lockdown and to 76.5% for those invited in first lockdown. Extending the length of follow-up time to 365 d only a minor overall reduction was observed (PR = 0.94; 95% CI: 0.93–0.95 in pre-lockdown and PR = 0.97; 95% CI: 0.96–0.97 in first lockdown). A lower participation was, however, seen among immigrants and among women with a low income. CONCLUSIONS: The short-term participation in mammography screening was reduced at the start of the pandemic, whilst only a minor reduction in the overall participation was observed with longer follow-up time, indicating that women postponed screening. Some groups of women, nonetheless, had a lower participation, indicating that the social inequity in screening participation was exacerbated during the pandemic. FUNDING: The study was funded by the Danish Cancer Society Scientific Committee (grant number R321-A17417) and the Danish regions.
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spelling pubmed-105134772023-09-22 Nationwide mammography screening participation in Denmark during the COVID-19 pandemic: An observational study Olesen, Tina Bech Jensen, Henry Møller, Henrik Jensen, Jens Winther Andersen, Berit Vejborg, Ilse Njor, Sisse H eLife Epidemiology and Global Health BACKGROUND: In most of the world, the mammography screening programmes were paused at the start of the pandemic, whilst mammography screening continued in Denmark. We examined the mammography screening participation during the COVID-19 pandemic in Denmark. METHODS: The study population comprised all women aged 50–69 years old invited to participate in mammography screening from 2016 to 2021 in Denmark based on data from the Danish Quality Database for Mammography Screening in combination with population-based registries. Using a generalised linear model, we estimated prevalence ratios (PRs) and 95% confidence intervals (CIs) of mammography screening participation within 90, 180, and 365 d since invitation during the pandemic in comparison with the previous years adjusting for age, year and month of invitation. RESULTS: The study comprised 1,828,791 invitations among 847,766 women. Before the pandemic, 80.2% of invitations resulted in participation in mammography screening within 90 d, 82.7% within 180 d, and 83.1% within 365 d. At the start of the pandemic, the participation in screening within 90 d was reduced to 69.9% for those invited in pre-lockdown and to 76.5% for those invited in first lockdown. Extending the length of follow-up time to 365 d only a minor overall reduction was observed (PR = 0.94; 95% CI: 0.93–0.95 in pre-lockdown and PR = 0.97; 95% CI: 0.96–0.97 in first lockdown). A lower participation was, however, seen among immigrants and among women with a low income. CONCLUSIONS: The short-term participation in mammography screening was reduced at the start of the pandemic, whilst only a minor reduction in the overall participation was observed with longer follow-up time, indicating that women postponed screening. Some groups of women, nonetheless, had a lower participation, indicating that the social inequity in screening participation was exacerbated during the pandemic. FUNDING: The study was funded by the Danish Cancer Society Scientific Committee (grant number R321-A17417) and the Danish regions. eLife Sciences Publications, Ltd 2023-08-17 /pmc/articles/PMC10513477/ /pubmed/37589381 http://dx.doi.org/10.7554/eLife.83541 Text en © 2023, Olesen et al https://creativecommons.org/licenses/by/4.0/This article is distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use and redistribution provided that the original author and source are credited.
spellingShingle Epidemiology and Global Health
Olesen, Tina Bech
Jensen, Henry
Møller, Henrik
Jensen, Jens Winther
Andersen, Berit
Vejborg, Ilse
Njor, Sisse H
Nationwide mammography screening participation in Denmark during the COVID-19 pandemic: An observational study
title Nationwide mammography screening participation in Denmark during the COVID-19 pandemic: An observational study
title_full Nationwide mammography screening participation in Denmark during the COVID-19 pandemic: An observational study
title_fullStr Nationwide mammography screening participation in Denmark during the COVID-19 pandemic: An observational study
title_full_unstemmed Nationwide mammography screening participation in Denmark during the COVID-19 pandemic: An observational study
title_short Nationwide mammography screening participation in Denmark during the COVID-19 pandemic: An observational study
title_sort nationwide mammography screening participation in denmark during the covid-19 pandemic: an observational study
topic Epidemiology and Global Health
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10513477/
https://www.ncbi.nlm.nih.gov/pubmed/37589381
http://dx.doi.org/10.7554/eLife.83541
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