Impact of pre-pandemic sick leave diagnoses on the length of COVID-19-related sick leave: a nationwide registry-based study

Abstract Background The COVID-19 pandemic has caused difficulties and changes in many aspects of people’s health and lives. Although infection affected work capacity, during the first wave policies for sick leave due to COVID-19 were unclear. The aim of this study was to investigate the impact of si...

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Main Authors: Tamar Abzhandadze, Emma Westerlind, Hanna C. Persson
Format: Article
Language:English
Published: BMC 2023-01-01
Series:BMC Public Health
Subjects:
Online Access:https://doi.org/10.1186/s12889-023-15115-x
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author Tamar Abzhandadze
Emma Westerlind
Hanna C. Persson
author_facet Tamar Abzhandadze
Emma Westerlind
Hanna C. Persson
author_sort Tamar Abzhandadze
collection DOAJ
description Abstract Background The COVID-19 pandemic has caused difficulties and changes in many aspects of people’s health and lives. Although infection affected work capacity, during the first wave policies for sick leave due to COVID-19 were unclear. The aim of this study was to investigate the impact of sick leave diagnoses in the year before the COVID-19 diagnosis  on sick leave duration due to COVID-19 in a nationwide non-hospitalised population. Methods Data from three Swedish registries were analysed for sick leave commencing between 1 March and 31 August 2020, with a follow-up period of 4 months. Sick leave due to COVID-19 was considered the number of days that sickness benefits were used and included at least one registered COVID-19 diagnosis. Sick leave in the year before COVID-19 diagnosis were categorised into five diagnostic groups and one reference group (participants without prior sick leave). Results The study comprised 8935 individuals who received sickness benefits due to COVID-19 in Sweden during the first pandemic wave (mean age 46.7 years, 67% females, and 24% had diagnoses for sick leave in the year before COVID-19 diagnosis). The duration of sick leave due to COVID-19 was significantly higher in the groups with prior sick leave owing to musculoskeletal system diseases (odds ratio [OR]: 1.08, 95% confidence interval [CI]: 1.01–1.15); respiratory system diseases (OR: 1.22, 95% CI: 1.14–1.31); all other isolated diagnoses (OR: 1.08, 95% CI: 1.03–1.14); and multiple diagnoses (OR: 1.32, 95% CI: 1.21–1.43). Conclusions The results of this nationwide registry-based study indicate that individuals with premorbid conditions are more prone to longer sick leave durations due to COVID-19. Prediction of sick leave duration during the first wave of the COVID-19 pandemic is complex and several factors played a role.
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spelling doaj.art-9673a4ef4f394526ae2d222425a767272023-01-29T12:23:40ZengBMCBMC Public Health1471-24582023-01-0123111110.1186/s12889-023-15115-xImpact of pre-pandemic sick leave diagnoses on the length of COVID-19-related sick leave: a nationwide registry-based studyTamar Abzhandadze0Emma Westerlind1Hanna C. Persson2Institute of Neuroscience and Physiology, the Sahlgrenska Academy, University of GothenburgInstitute of Neuroscience and Physiology, the Sahlgrenska Academy, University of GothenburgInstitute of Neuroscience and Physiology, the Sahlgrenska Academy, University of GothenburgAbstract Background The COVID-19 pandemic has caused difficulties and changes in many aspects of people’s health and lives. Although infection affected work capacity, during the first wave policies for sick leave due to COVID-19 were unclear. The aim of this study was to investigate the impact of sick leave diagnoses in the year before the COVID-19 diagnosis  on sick leave duration due to COVID-19 in a nationwide non-hospitalised population. Methods Data from three Swedish registries were analysed for sick leave commencing between 1 March and 31 August 2020, with a follow-up period of 4 months. Sick leave due to COVID-19 was considered the number of days that sickness benefits were used and included at least one registered COVID-19 diagnosis. Sick leave in the year before COVID-19 diagnosis were categorised into five diagnostic groups and one reference group (participants without prior sick leave). Results The study comprised 8935 individuals who received sickness benefits due to COVID-19 in Sweden during the first pandemic wave (mean age 46.7 years, 67% females, and 24% had diagnoses for sick leave in the year before COVID-19 diagnosis). The duration of sick leave due to COVID-19 was significantly higher in the groups with prior sick leave owing to musculoskeletal system diseases (odds ratio [OR]: 1.08, 95% confidence interval [CI]: 1.01–1.15); respiratory system diseases (OR: 1.22, 95% CI: 1.14–1.31); all other isolated diagnoses (OR: 1.08, 95% CI: 1.03–1.14); and multiple diagnoses (OR: 1.32, 95% CI: 1.21–1.43). Conclusions The results of this nationwide registry-based study indicate that individuals with premorbid conditions are more prone to longer sick leave durations due to COVID-19. Prediction of sick leave duration during the first wave of the COVID-19 pandemic is complex and several factors played a role.https://doi.org/10.1186/s12889-023-15115-xEpidemiologyReturn to workSick leaveRegistry-based studySARS-CoV-2 infection
spellingShingle Tamar Abzhandadze
Emma Westerlind
Hanna C. Persson
Impact of pre-pandemic sick leave diagnoses on the length of COVID-19-related sick leave: a nationwide registry-based study
BMC Public Health
Epidemiology
Return to work
Sick leave
Registry-based study
SARS-CoV-2 infection
title Impact of pre-pandemic sick leave diagnoses on the length of COVID-19-related sick leave: a nationwide registry-based study
title_full Impact of pre-pandemic sick leave diagnoses on the length of COVID-19-related sick leave: a nationwide registry-based study
title_fullStr Impact of pre-pandemic sick leave diagnoses on the length of COVID-19-related sick leave: a nationwide registry-based study
title_full_unstemmed Impact of pre-pandemic sick leave diagnoses on the length of COVID-19-related sick leave: a nationwide registry-based study
title_short Impact of pre-pandemic sick leave diagnoses on the length of COVID-19-related sick leave: a nationwide registry-based study
title_sort impact of pre pandemic sick leave diagnoses on the length of covid 19 related sick leave a nationwide registry based study
topic Epidemiology
Return to work
Sick leave
Registry-based study
SARS-CoV-2 infection
url https://doi.org/10.1186/s12889-023-15115-x
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