Predictors of sickness absence among employees with common mental disorders in Sweden– a longitudinal study

Abstract Background The study aimed to explore which sociodemographic, health-related, and work-related factors were associated with the number of sickness absence days during 18 months among employees on sickness absence due to common mental disorders. Methods A longitudinal study with participants...

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Main Authors: Anna Frantz, Anna Toropova, Iben Axén, Gunnar Bergström, Anna Finnes, Elisabeth Björk Brämberg
Format: Article
Language:English
Published: BMC 2025-02-01
Series:BMC Public Health
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Online Access:https://doi.org/10.1186/s12889-025-21563-4
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author Anna Frantz
Anna Toropova
Iben Axén
Gunnar Bergström
Anna Finnes
Elisabeth Björk Brämberg
author_facet Anna Frantz
Anna Toropova
Iben Axén
Gunnar Bergström
Anna Finnes
Elisabeth Björk Brämberg
author_sort Anna Frantz
collection DOAJ
description Abstract Background The study aimed to explore which sociodemographic, health-related, and work-related factors were associated with the number of sickness absence days during 18 months among employees on sickness absence due to common mental disorders. Methods A longitudinal study with participants from a cluster-randomized controlled trial was conducted. Participants from both intervention and control groups were treated as one cohort. Factors included in the analysis were sociodemographic, health-related, and work-related variables collected through questionnaires at baseline. The outcome was cumulative net sickness absence days for sickness absence spells exceeding 14 days and was collected from a national register. Data was analyzed using generalized estimating equations. Results The sample consisted of 197 employees. Lower-rated work ability in relation to physical demands ([exp (B) 1.19], 95% CI 1.02–1.40) and higher-rated job demands ([exp (B) 1.28], 95% CI 1.01–1.61), were associated with increased number of sickness absence days during the 18 months follow-up. Higher certainty of return to work within three months ([exp (B) 0.63], 95% CI 0.48–0.83) was associated with a decreased number of sickness absence days during the 18 months follow-up. Conclusions Our study suggests that work-related factors, i.e., high job demands and impaired work ability, are associated with an increased number of days on sickness absence. Additionally, the certainty of returning to work within three months is associated with fewer days on sickness absence. The results highlight the importance of addressing specific workplace factors when designing interventions aimed at decreasing sickness absence for employees on sickness absence due to CMDs. The results could be used to inform a dialogue between healthcare personnel and employees on sickness absence due to CMDs, and to serve as basis for a structured inventory to assist healthcare personnel in addressing workplace factors.
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spelling doaj-art-a6e1237b337f472dbfece530e959af0d2025-02-09T12:58:40ZengBMCBMC Public Health1471-24582025-02-0125111210.1186/s12889-025-21563-4Predictors of sickness absence among employees with common mental disorders in Sweden– a longitudinal studyAnna Frantz0Anna Toropova1Iben Axén2Gunnar Bergström3Anna Finnes4Elisabeth Björk Brämberg5Unit of Intervention and Implementation Research for Worker Health, Institute of Environmental Medicine, Karolinska InstitutetUnit of Intervention and Implementation Research for Worker Health, Institute of Environmental Medicine, Karolinska InstitutetUnit of Intervention and Implementation Research for Worker Health, Institute of Environmental Medicine, Karolinska InstitutetUnit of Intervention and Implementation Research for Worker Health, Institute of Environmental Medicine, Karolinska InstitutetDivision of Insurance Medicine, Department of Clinical Neuroscience, Karolinska InstitutetUnit of Intervention and Implementation Research for Worker Health, Institute of Environmental Medicine, Karolinska InstitutetAbstract Background The study aimed to explore which sociodemographic, health-related, and work-related factors were associated with the number of sickness absence days during 18 months among employees on sickness absence due to common mental disorders. Methods A longitudinal study with participants from a cluster-randomized controlled trial was conducted. Participants from both intervention and control groups were treated as one cohort. Factors included in the analysis were sociodemographic, health-related, and work-related variables collected through questionnaires at baseline. The outcome was cumulative net sickness absence days for sickness absence spells exceeding 14 days and was collected from a national register. Data was analyzed using generalized estimating equations. Results The sample consisted of 197 employees. Lower-rated work ability in relation to physical demands ([exp (B) 1.19], 95% CI 1.02–1.40) and higher-rated job demands ([exp (B) 1.28], 95% CI 1.01–1.61), were associated with increased number of sickness absence days during the 18 months follow-up. Higher certainty of return to work within three months ([exp (B) 0.63], 95% CI 0.48–0.83) was associated with a decreased number of sickness absence days during the 18 months follow-up. Conclusions Our study suggests that work-related factors, i.e., high job demands and impaired work ability, are associated with an increased number of days on sickness absence. Additionally, the certainty of returning to work within three months is associated with fewer days on sickness absence. The results highlight the importance of addressing specific workplace factors when designing interventions aimed at decreasing sickness absence for employees on sickness absence due to CMDs. The results could be used to inform a dialogue between healthcare personnel and employees on sickness absence due to CMDs, and to serve as basis for a structured inventory to assist healthcare personnel in addressing workplace factors.https://doi.org/10.1186/s12889-025-21563-4WorkerMental healthReturn to workRTWOccupational health
spellingShingle Anna Frantz
Anna Toropova
Iben Axén
Gunnar Bergström
Anna Finnes
Elisabeth Björk Brämberg
Predictors of sickness absence among employees with common mental disorders in Sweden– a longitudinal study
BMC Public Health
Worker
Mental health
Return to work
RTW
Occupational health
title Predictors of sickness absence among employees with common mental disorders in Sweden– a longitudinal study
title_full Predictors of sickness absence among employees with common mental disorders in Sweden– a longitudinal study
title_fullStr Predictors of sickness absence among employees with common mental disorders in Sweden– a longitudinal study
title_full_unstemmed Predictors of sickness absence among employees with common mental disorders in Sweden– a longitudinal study
title_short Predictors of sickness absence among employees with common mental disorders in Sweden– a longitudinal study
title_sort predictors of sickness absence among employees with common mental disorders in sweden a longitudinal study
topic Worker
Mental health
Return to work
RTW
Occupational health
url https://doi.org/10.1186/s12889-025-21563-4
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