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Jarroch R, Falkstedt D, Nevriana A, Pan KY, Kauhanen J, Almroth M. The role of job strain in the relationship between depression and long-term sickness absence: a register-based cohort study. Soc Psychiatry Psychiatr Epidemiol 2024:10.1007/s00127-024-02700-7. [PMID: 38916828 DOI: 10.1007/s00127-024-02700-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 06/10/2024] [Indexed: 06/26/2024]
Abstract
PURPOSE Though individuals with depression and those with poor working conditions are more likely to be on long-term sickness absence (LTSA), less is known about how working conditions may modify the associations between depression status and LTSA. This study aims to examine the association between depression and LTSA among Swedish workers with different levels of job strain and its individual components (job demands and job control). METHODS All Swedish workers 30 - 60 years old (N = 3,065,258) were studied in 2005. At baseline (2005-2010), workers were categorized as: without depression, being prescribed antidepressants, and being in inpatient/outpatient care. Job strain was measured using a Swedish Job Exposure Matrix, and data on LTSA were obtained from 2011 to 2021. The association between depression and LTSA was assessed using Cox proportional-hazards regression stratified by categories of job strain. RESULTS Compared to workers without depression, workers with depression had higher risk of LTSA across all job strain levels. Depression was associated with the highest hazards of LTSA in active jobs, but a similar population attributable fraction (PAF) was found across categories of job strain, indicating similarities between the different categories. CONCLUSION There was evidence of a moderating effect of job strain in the relationship between depression and LTSA, but also evidence that this was due to differences in baseline depression prevalence in the different job strain categories. Future research is needed to determine alternative factors which could be relevant for reducing LTSA among those who have already developed depression.
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Affiliation(s)
- Rand Jarroch
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Daniel Falkstedt
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Alicia Nevriana
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Kuan-Yu Pan
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Jussi Kauhanen
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Melody Almroth
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden.
- Department of Public Health Sciences, Stockholm University, Stockholm, Sweden.
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Polvinen A, Laaksonen M. Contribution of age, gender and occupational group to the higher risk of disability retirement among Finnish public sector employees. Scand J Public Health 2024; 52:419-426. [PMID: 36814115 DOI: 10.1177/14034948231153913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
BACKGROUND The aim of this study was to examine the differences in disability retirement between public and private sector employees and to examine the contribution of age, gender and occupational group to the differences between the sectors. METHODS Our Finnish register data consisted of about two million non-retired men and women aged 30-62 years. Cox proportional hazard models were used to calculate hazard ratios for any, full and partial disability retirement in the public sector compared with the private sector. RESULTS The risk of any disability retirement was higher in the public sector than in the private sector in all occupational groups. The unadjusted hazard ratio ranged from 1.29 (95% CI 1.16-1.44) among teaching professionals to 2.25 (95% CI 1.95-2.58) among skilled agricultural, forestry and fishery workers. Adjustment for age and gender attenuated the differences between the sectors. After adjusting for age, gender and occupational group, the hazard ratio was 1.29 (95% CI 1.27-1.32) for any disability retirement and 2.02 (95% CI 1.96-2.08) for partial disability retirement, but there was no difference between the public sector and private sector employees for full disability retirement. CONCLUSIONS Adjustment of age and gender attenuated the higher risk of disability retirement in the public sector, while adjustment for occupational group widened the sector differences in any and full disability retirement. The risk of partial disability retirement was higher in all occupational groups in the public sector than in the private sector. For full disability retirement, the differences between the sectors were small or non-existent.
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Almroth M, Hemmingsson T, Falkstedt D, Kjellberg K, Carlsson E, Pan KY, Berglund K, Thern E. The role of working conditions in educational differences in all-cause and ischemic heart disease mortality among Swedish men. Scand J Work Environ Health 2024; 50:300-309. [PMID: 38536000 PMCID: PMC11130708 DOI: 10.5271/sjweh.4158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Indexed: 04/30/2024] Open
Abstract
OBJECTIVES This study aims to investigate the extent to which low job control and heavy physical workload in middle age explain educational differences in all-cause and ischemic heart disease (IHD) mortality while accounting for important confounding factors. METHODS The study is based on a register-linked cohort of men who were conscripted into the Swedish military at around the age of 18 in 1969/1970 and were alive and registered in Sweden in 2005 (N=46 565). Cox proportional hazards regression models were built to estimate educational differences in all-cause and IHD mortality and the extent to which this was explained by physical workload and job control around age 55 by calculating the reduction in hazard ratio (HR) after adjustments. Indicators of health, health behavior, and other factors measured during conscription were accounted for. RESULTS We found a clear educational gradient for all-cause and IHD mortality (HR 2.07 and 2.47, respectively, for the lowest compared to the highest education level). A substantial part was explained by the differential distribution of the confounding factors. However, work-related factors, especially high physical workload, also played important explanatory roles. CONCLUSION Even after accounting for earlier life factors, low job control and especially high physical workload seem to be important mechanistic factors in explaining educational inequalities in all-cause and IHD mortality. It is therefore important to find ways to reduce physical workload and increase job control in order to decrease inequalities in mortality.
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Affiliation(s)
- Melody Almroth
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, floor 10, 113 65, Stockholm, Sweden.
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Berglund K, Almroth M, Falkstedt D, Hemmingsson T, Kjellberg K. The impact of cardiorespiratory fitness and physical workload on disability pension-a cohort study of Swedish men. Int Arch Occup Environ Health 2024; 97:45-55. [PMID: 37971680 DOI: 10.1007/s00420-023-02023-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/23/2023] [Indexed: 11/19/2023]
Abstract
OBJECTIVE Understanding the impact of physical capacity in combination with high physical workload could be beneficial for the prevention of health-related exits from work. Therefore, the aim of this study was to investigate the separate and combined effects of low cardiorespiratory fitness and high physical workload on disability pension (DP) due to any cause, musculoskeletal disorders (MSD), and cardiovascular diseases (CVD). METHODS A total of 279 353 men born between 1951 and 1961 were followed regarding DP between 2006 and 2020, ages 45-64. Cardiorespiratory fitness was assessed during military conscription, using an ergometer bicycle test. Physical workload was based on a job-exposure matrix (JEM) linked to occupational title in 2005. Cox regression models estimated separate and combined associations with DP. RESULTS Low cardiorespiratory fitness and high physical workload were associated with increased risk of DP. For all cause DP, the fully adjusted hazard ratio and 95% confidence interval for those with low cardiorespiratory fitness was 1.38 (1.32-1.46) and for those with high physical workload 1.48 (1.39-1.57). For all cause and MSD DP, but not for CVD DP, the combination of low cardiorespiratory fitness and high physical workload resulted in higher risks than when adding the effect of the single exposures. CONCLUSION Both low cardiorespiratory fitness in youth and later exposure to high physical workload were associated with an increased risk of DP, where workers with the combination of both low cardiorespiratory fitness and a high physical workload had the highest risks (all-cause and MSD DP).
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Affiliation(s)
- Karin Berglund
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 113 65, Stockholm, Sweden.
- Center for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden.
| | - Melody Almroth
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 113 65, Stockholm, Sweden
| | - Daniel Falkstedt
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 113 65, Stockholm, Sweden
| | - Tomas Hemmingsson
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 113 65, Stockholm, Sweden
- Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
| | - Katarina Kjellberg
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 113 65, Stockholm, Sweden
- Center for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
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Hartikainen E, Salonen L, Solovieva S, Blomgren J, Böckerman P, Viikari-Juntura E, Leinonen T. Labour market trajectories after part-time sickness absence: a nationwide cohort study from Finland. BMJ Open 2023; 13:e075584. [PMID: 37907303 PMCID: PMC10619081 DOI: 10.1136/bmjopen-2023-075584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 10/10/2023] [Indexed: 11/02/2023] Open
Abstract
OBJECTIVES The use of part-time sickness absence (pSA) enables return to part-time work from full sickness absence. However, subsequent labour market outcomes of pSA users depend on various individual and work-related characteristics. We investigated labour market paths of private and public sector employees after having a pSA spell. Moreover, we examined individual and work-related factors associated with following them. DESIGN Longitudinal register-based cohort study. SETTING Finnish employed population. PARTICIPANTS 9896 receivers of partial sickness allowance aged 45-56 in the years 2010-2014. OUTCOME We constructed labour market trajectories based on the proportion of time spent in various labour market statuses measured over 3 years after the end of the pSA spell using multiresponse trajectory analysis. We then examined how different individual and work-related factors were associated with assignment to the different trajectory groups using logistic regression analyses. RESULTS The majority of the pSA users followed paths where work participation was consistently elevated (Sustained Work group, 40.4%), or only slightly reduced (Slightly Reduced Work group, 31.6%). Moreover, more than 1/10th of the users followed a path where receiving partial work disability benefits became predominant (Partial Work Disability group, 12.5%). The rest followed paths where other non-employment (Other Non-Employed group, 7.8%) or full work disability (Full Work Disability group, 7.7%) became the prevailing status. Lower educational level and income predicted assignment to all other groups than the Sustained Work group. Additional predictors were identified, yet these differed between the trajectory groups. CONCLUSIONS The majority of the pSA users maintained a connection to working life, yet weaker working life paths were also identified. The paths were determined by various individual and work-related factors that can help health professionals and employers to better target support measures particularly towards individuals whose connection to working life is at risk to weaken after the use of pSA.
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Affiliation(s)
| | - Laura Salonen
- Finnish Institute of Occupational Health, Helsinki, Finland
| | | | | | - Petri Böckerman
- Labour Institute for Economic Research, Helsinki, Finland
- University of Jyväskylä School of Business and Economics, Jyvaskyla, Finland
| | | | - Taina Leinonen
- Finnish Institute of Occupational Health, Helsinki, Finland
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Haider W, Salonen L. Disability pension and sociodemographic & work-related risk factors among 2.3 million migrants and natives in Finland (2011-2019): a prospective population study. BMC Public Health 2023; 23:1977. [PMID: 37821921 PMCID: PMC10568789 DOI: 10.1186/s12889-023-16880-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 10/03/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Increasing employment and immigration have been proposed as possible solutions to tackle the problem of the labour force shortage in aging societies. Ensuring sufficient health and work ability among migrants is a key factor in increasing and maintaining their employment. Many studies have found higher disability pension (DP) rates among migrants compared to natives but such studies lack in determining the risk of DP by occupational class and industrial sector. This study explores the risk of DP and the contribution of sociodemographic and work-related factors between migrants and natives in Finland. METHODS Full-population panel data obtained from the administrative registers of Statistics Finland were used to study 2.3 million individuals aged 25-60 years in 2010. We calculated hazard ratios (HR) and their 95% confidence intervals (CI) to estimate the risk of having a DP in 2011-2019 using Cox proportional hazard models adjusting for different sociodemographic and work-related factors. RESULTS Compared to natives, migrants had a lower risk of a DP (HR 0.58, 95% CI 0.53-0.63). We found great variation between countries of origin, where compared to natives, migrants from refugee-exporting countries (HR 1.37, 95% CI 1.22-1.53) and other non-European countries (HR 1.30; CI 1.18-1.43) had a higher risk of DP, but migrants from other countries did not differ or had a slightly lower risk of DP than natives. The associations between sociodemographic factors and the risk of DP were very similar between natives and migrants. CONCLUSION Migrants had a lower risk of a DP than natives except for migrants from outside Europe. The associations between different sociodemographic and work-related factors and the risk of DP were similar between natives and migrants and did not completely explain the differences in the risk of DP.
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Affiliation(s)
| | - Laura Salonen
- Finnish Institute of Occupational Health & University of Turku, Turku, Finland
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Falkstedt D, Almroth M, Hemmingsson T, d'Errico A, Albin M, Bodin T, Selander J, Gustavsson P, Kjellberg K. Job demands and job control and their associations with disability pension-a register-based cohort study of middle-aged and older Swedish workers. Int Arch Occup Environ Health 2023; 96:1137-1147. [PMID: 37450035 PMCID: PMC10504155 DOI: 10.1007/s00420-023-01995-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 06/27/2023] [Indexed: 07/18/2023]
Abstract
OBJECTIVES Job demands and control at work and their combination, job strain, have been studied in relation to risk of disability pension (DP) previously. In the present study, based on registry data, we aimed to deepen the knowledge by analyzing major disease groups among the DPs, dose-response shape of the associations, and potential confounding effects of physical workload. METHODS Approximately 1.8 million workers aged 44 or older and living in Sweden in 2005 were followed up for 16 years, up to a maximum of 65 years of age. We linked mean values of job demands and job control, estimated in a job-exposure matrice (JEM) by gender, to individuals through their occupational titles in 2005. These values were categorized by rank order, and, for the construction of job-strain quadrants, we used a median cut-off. Associations with DP were estimated in Cox proportional-hazards models. RESULTS In models accounting for covariates including physical workload, low levels of job control were associated with higher risk of DP among both men and women. This association was most clear for DP with a psychiatric diagnosis, although a dose-response shape was found only among the men. High levels of job demands were associated with decreased risk of DP across diagnoses among men, but the same association varied from weak to non-existing among women. The high- and passive job-strain quadrants both showed increased risk of DP with a psychiatric diagnosis. CONCLUSION The results suggest that, at the occupational level, low job control, but not high job demands, contributes to an increased incidence of DP, particularly regarding DP with a psychiatric diagnosis.
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Affiliation(s)
- Daniel Falkstedt
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 10th Floor, 113 65, Stockholm, Sweden.
| | - Melody Almroth
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 10th Floor, 113 65, Stockholm, Sweden
- Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
| | - Tomas Hemmingsson
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 10th Floor, 113 65, Stockholm, Sweden
- Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
| | - Angelo d'Errico
- Department of Epidemiology, Local Health Unit ASL TO 3, Grugliasco, Turin, Italy
| | - Maria Albin
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 10th Floor, 113 65, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Theo Bodin
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 10th Floor, 113 65, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Jenny Selander
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 10th Floor, 113 65, Stockholm, Sweden
| | - Per Gustavsson
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 10th Floor, 113 65, Stockholm, Sweden
| | - Katarina Kjellberg
- Institute of Environmental Medicine, Karolinska Institutet, Solnavägen 4, 10th Floor, 113 65, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
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Badarin K, Hemmingsson T, Almroth M, Falkstedt D, Hillert L, Kjellberg K. Combined exposure to heavy physical workload and low job control and the risk of disability pension: A cohort study of employed men and women in Sweden. Int Arch Occup Environ Health 2023; 96:973-984. [PMID: 37246195 PMCID: PMC10361844 DOI: 10.1007/s00420-023-01983-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 05/15/2023] [Indexed: 05/30/2023]
Abstract
OBJECTIVE To investigate the separate and combined effects of overall heavy physical workload (PWL) and low decision authority on all-cause disability pension (DP) or musculoskeletal DP. METHODS This study uses a sample of 1,804,242 Swedish workers aged 44-63 at the 2009 baseline. Job Exposure Matrices (JEMs) estimated exposure to PWL and decision authority. Mean JEM values were linked to occupational codes, then split into tertiles and combined. DP cases were taken from register data from 2010 to 2019. Cox regression models estimated sex-specific Hazard Ratios (HR) with 95% confidence intervals (95% CI). The Synergy Index (SI) estimated interaction effects. RESULTS Heavy physical workload and low decision authority were associated with an increased risk of DP. Workers with combined exposure to heavy PWL and low decision authority often had greater risks of all-cause DP or musculoskeletal DP than when adding the effects of the single exposures. The results for the SI were above 1 for all-cause DP (men: SI 1.35 95%CI 1.18-1.55, women: SI 1.19 95%CI 1.05-1.35) and musculoskeletal disorder DP (men: SI 1.35 95%CI 1.08-1.69, women: 1.13 95%CI 0.85-1.49). After adjustment, the estimates for SI remained above 1 but were not statistically significant. CONCLUSION Heavy physical workload and low decision authority were separately associated with DP. The combination of heavy PWL and low decision authority was often associated with higher risks of DP than would be expected from adding the effects of the single exposures. Increasing decision authority among workers with heavy PWL could help reduce the risk of DP.
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Affiliation(s)
- Kathryn Badarin
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Tomas Hemmingsson
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
| | - Melody Almroth
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Daniel Falkstedt
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Lena Hillert
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Katarina Kjellberg
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
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Andrasfay T, Fennell G, Crimmins E. Pain, Physical Demands at Work, and Future Work Expectations Among Older Adults in the United States. Innov Aging 2023; 7:igad089. [PMID: 38094935 PMCID: PMC10714917 DOI: 10.1093/geroni/igad089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Indexed: 02/01/2024] Open
Abstract
Background and Objectives In the United States, pain is becoming increasingly prevalent among older adults at the same time as policies are incentivizing work longer. Given that pain and physically demanding jobs are both linked to early retirement and they often go hand-in-hand, it is important to assess how the unique effects of pain and physical work demands may interact in predicting future work expectations. Research Design and Methods Using Health and Retirement Study data (1998, 2004, 2010, and 2016 waves), we assess how pain and physical job demands influence future work expectations of 10,358 adults at midlife (ages 51-56), after accounting for sociodemographic, job, health, and financial characteristics. Results Compared to men with no pain, activity-interfering pain was associated with low expectations of full-time work past 62 regardless of job demands, while noninterfering pain was associated with 62% higher odds (odds ratio [OR] = 1.62, 95% confidence interval [CI]: 1.35-1.93) of expecting not to work full-time past age 62 only among those with physically demanding jobs. Having both interfering pain and a physically demanding job was associated with increased odds of expecting not to work full-time past age 65 for men (OR = 1.25, 95% CI: 1.06-1.47) and past age 62 for women (OR = 1.18, 95% CI: 1.00-1.39). Discussion and Implications The co-occurrence of physically demanding work with pain-particularly activity-interfering pain-is associated with low expectations of full-time work past ages 62 and 65 for adults at midlife. Working longer may be feasible for older adults whose pain does not interfere with work, but unrealistic for individuals facing both pain and physically demanding work.
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Affiliation(s)
- Theresa Andrasfay
- Department of Public Health, California State University San Marcos, San Marcos, California, USA
| | - Gillian Fennell
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, California, USA
| | - Eileen Crimmins
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, California, USA
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López-Bueno R, Andersen LL, Calatayud J, Casaña J, Martínez-Jarreta B, López-Gil JF, Del Pozo Cruz B. Association of occupational physical activity and disability pension in 756,159 Spanish workers: A prospective cohort study with 13 years follow-up. Prev Med 2023; 166:107380. [PMID: 36495922 DOI: 10.1016/j.ypmed.2022.107380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/06/2022] [Accepted: 12/03/2022] [Indexed: 12/14/2022]
Abstract
Recent research from Nordic countries identified occupational physical activity (OPA) as a risk factor for disability pension, but further research accounting for exhaustive analyses in novel populations is warranted. Our objective was to assess the association between OPA and disability pension using administrative data. This prospective registry-based cohort study used data from the Spanish Continuous Working Life Sample (CWLS). Participants were followed up from baseline (January 1, 2006) to first event of disability pension, mortality, or end of follow-up (September 1, 2019). The assessment of OPA was based on registers of economic activity and their correspondence with a validated OPA index. To examine the association between OPA and disability pension, adjusted proportional hazard, and Fine-Gray models using mortality as competing risk were conducted. We retrieved data from 756,159 workers (57.7% men) with an average age of 38.5 years (SD 11.9). During 13.6 years from baseline to the end of follow-up (9,463,041 person-years), 18,191 men (4.2%) and 9631 (3.0%) women received a disability pension. In the fully adjusted model, participants exposed to higher levels of OPA showed higher risk for disability pension in an exposure-response fashion. Men and women exposed to very high OPA showed the highest HR for disability pension (2.31 [95% CI, 2.17 to 2.46] and 1.68 [95% CI, 1.56 to 1.81], respectively. These results warrant preventative measures to address early involuntary exit from the labour market in workers exposed to high physical work demands.
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Affiliation(s)
- Rubén López-Bueno
- Department of Physical Medicine and Nursing, University of Zaragoza, Zaragoza, Spain; National Research Centre for the Working Environment, Copenhagen, Denmark; Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, Valencia, Spain
| | | | - Joaquín Calatayud
- National Research Centre for the Working Environment, Copenhagen, Denmark; Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, Valencia, Spain.
| | - José Casaña
- Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, Valencia, Spain
| | | | | | - Borja Del Pozo Cruz
- Centre for Active and Healthy Ageing, Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
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Pedersen J, Bjorner JB, Andersen LL. Physical work demands and expected labor market affiliation (ELMA): Prospective cohort with register-follow-up among 46 169 employees. Scand J Work Environ Health 2022; 48:641-650. [PMID: 35789276 PMCID: PMC10546615 DOI: 10.5271/sjweh.4050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE This study aimed to estimate the impact of high physical work demands on expected labor market affiliation (ELMA) among men and women of different ages in the general working population. METHODS After participating in the Danish Work Environment and Health study (2012, 2014, and/or 2016), 46 169 employees were followed for two years in national registers. Using multi-state modeling, taking all day-to-day transition probabilities of labor market affiliation into account (work, unemployment, sickness absence, temporary out, and permanently out), and performing multilevel adjustment, we estimated the prospective association between physical work demands (ergonomic index including 7 factors) and ELMA. RESULTS During 104 896 person-years of follow-up, we identified of 439 045 transitions. Using low physical work demands as reference, higher physical work demands were associated with fewer days of active work (2-35 days) during 730 days of follow-up, and more days of sickness absence (4-26 days) and unemployment (ranging 1-9 days) among men and women of aged 40-49 and 50-64 years. Among men and women aged 18-39 years, high physical work demands only had minor and inconsistent impact on ELMA. CONCLUSIONS Analyzing multiple and highly detailed patterns of transition probabilities concerning labor market affiliation we showed that reducing physical work demands is likely to increase the active working time and prevent high societal cost of sickness absence and unemployment, especially among middle-aged and older workers.
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Affiliation(s)
- Jacob Pedersen
- National Research Centre for the Working Environment, Copenhagen, Denmark
| | - Jakob Bue Bjorner
- National Research Centre for the Working Environment, Copenhagen, Denmark
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
- QualityMetric, Lincoln, RI, USA
| | - Lars L Andersen
- National Research Centre for the Working Environment, Copenhagen, Denmark
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Badarin K, Hemmingsson T, Almroth M, Falkstedt D, Hillert L, Kjellberg K. Does a change to an occupation with a lower physical workload reduce the risk of disability pension? A cohort study of employed men and women in Sweden. Scand J Work Environ Health 2022; 48:662-671. [PMID: 35997280 PMCID: PMC10546609 DOI: 10.5271/sjweh.4053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE This study aimed to examine if a change to an occupation with a lower physical workload reduces the risk of all-cause disability pension (DP) and musculoskeletal DP (MDP). METHODS This study used a sample of 359 453 workers who were registered as living in Sweden in 2005 and aged 44-63 in 2010. Exposure to physical workload was measured from 2005-2010 by linking a mean value from a job exposure matrix to occupational codes. The mean values were then split into quartiles. All included participants had high exposure to physical workload (top quartile) from 2005-2007. A change in physical workload was measured as a change to (i) any lower quartile or (ii) medium-high or low quartiles from 2008-2010. DP cases were taken from register data from 2011-2016. Crude and multivariate Cox proportional-hazards regression models estimated sex-specific hazard ratios (HR) with 95% confidence intervals (CI). RESULTS Compared to workers with consistently high physical workload, a change to any lower quartile of physical workload was associated with a decreased risk of all-cause DP (men: HR 0.59, 95% CI 0.46-0.77, women: HR 0.63, 95% CI 0.52-0.76) and MDP (men: HR 0.52, 95% CI 0.31-0.89, women: HR 0.61, 95% CI 0.44-0.84). Older workers had the largest decreased risk for MDP. Generally, changing from high to low physical workload was associated with a greater reduced risk of DP than changing from high to medium-high physical workload. CONCLUSIONS Changing to an occupation with lower exposure to physical workload was associated with reduced risks of DP and MDP among both sexes.
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Affiliation(s)
- Kathryn Badarin
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Tomas Hemmingsson
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
| | - Melody Almroth
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Daniel Falkstedt
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Lena Hillert
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Katarina Kjellberg
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
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Almroth M, Hemmingsson T, Kjellberg K, Sörberg Wallin A, Andersson T, van der Westhuizen A, Falkstedt D. Job control, job demands and job strain and suicidal behaviour among three million workers in Sweden. Occup Environ Med 2022; 79:oemed-2022-108268. [PMID: 35803712 PMCID: PMC9484393 DOI: 10.1136/oemed-2022-108268] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 06/20/2022] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To investigate the association between job control, job demands and their combination (job strain) and suicide attempts and deaths among male and female workers in Sweden. METHODS Job control and demands were measured separately for men and women using a job exposure matrix, which was linked to around three million individuals based on their occupational title in 2005. Suicide attempts and deaths were measured in the hospital and cause of death registers from 2006 to 2016. HRs were estimated using discrete proportional hazards models with annually updated age as the time axis. Models were adjusted for sociodemographic, family, health, labour market and childhood factors, as well as the time-varying effects of unemployment, sick leave and family factors during follow-up. RESULTS Low job control was associated with an increased risk of suicide attempts and deaths among both men and women while high job demands tended to be associated with a decreased risk. The combination of job control and job demands (job strain) reflected the increased risk of low control jobs and the decreased risk of high demand jobs. Associations were attenuated but still present after adjustments. CONCLUSIONS Low job control is related to suicide attempts and deaths, and this is only partially explained by important covariates measured both prebaseline and during follow-up. Attempts to increase job control among workers may be beneficial in preventing suicide.
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Affiliation(s)
- Melody Almroth
- Insitute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Tomas Hemmingsson
- Insitute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
| | - Katarina Kjellberg
- Insitute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Alma Sörberg Wallin
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
- Psykiatricentrum (Psychiatry Center) Södertälje, Region Stockholm, Södertälje, Sweden
| | - Tomas Andersson
- Insitute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | | | - Daniel Falkstedt
- Insitute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
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d'Errico A, Falkstedt D, Almroth M, Badarin K, Hemmingsson T, Kjellberg K. Long-term sick leave for back pain, exposure to physical workload and psychosocial factors at work, and risk of disability and early-age retirement among aged Swedish workers. Int Arch Occup Environ Health 2022; 95:1521-1535. [PMID: 35451628 PMCID: PMC9424129 DOI: 10.1007/s00420-022-01862-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 03/27/2022] [Indexed: 11/30/2022]
Abstract
Purpose To assess the risk of disability and early-age retirement associated with previous long-term sickness absence for back pain (back-pain SA), exposure to high physical workload, low job control, high demands and high strain, and to evaluate effect modification by work factors on the relationship between back-pain SA and premature retirement. Methods All employed Swedish residents born 1946–1955 (n = 835,956) were followed up from 2010 to 2016 for disability (DP) and early-age pension (EAP). Associations of premature retirement with exposure to work factors and back-pain SA in the 3 years before follow-up were estimated through proportional hazards models. Retirement, back-pain SA and covariates were assessed through administrative sources, and exposure to work factors through a job-exposure matrix. Results In both genders, back-pain SA was associated with DP (> 1 episode: HR 3.23 among men; HR 3.12 among women) and EAP (> 1 episode: HR 1.24 among men; HR 1.18 among women). Higher physical workload and lower job control were also associated with an increased DP risk in both genders, whereas higher job demands showed a decreased risk. For EAP, associations with work factors were weak and inconsistent across genders. No effect modification by work factors was found, except for a negative effect modification by job strain on DP risk among women, i.e. a reduced effect of back-pain SA with increasing exposure. Conclusion Back-pain SA was a significant predictor of both DP and EAP, while work factors were consistently associated only with DP. Our results indicate that the joint effect of back-pain SA and work factors on DP is additive and does not support effect modification by work factors. Supplementary Information The online version contains supplementary material available at 10.1007/s00420-022-01862-8.
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Affiliation(s)
- Angelo d'Errico
- Department of Epidemiology, Local Health Unit ASL TO 3, Via Sabaudia 164, 10095, Grugliasco, Turin, Italy.
| | - Daniel Falkstedt
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Melody Almroth
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Kathryn Badarin
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Tomas Hemmingsson
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
| | - Katarina Kjellberg
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
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Almroth M, Hemmingsson T, Sörberg Wallin A, Kjellberg K, Falkstedt D. Psychosocial workplace factors and alcohol-related morbidity: a prospective study of 3 million Swedish workers. Eur J Public Health 2022; 32:366-371. [PMID: 35234891 PMCID: PMC9159324 DOI: 10.1093/eurpub/ckac019] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background Psychosocial workplace factors may be associated with alcohol-related morbidity, but previous studies have had limited opportunities to take non-occupational explanatory factors into account. The aim of this study is to investigate associations between job control, job demands and their combination (job strain) and diagnosed alcohol-related morbidity while accounting for several potentially confounding factors measured across the life-course, including education. Methods Job control, job demands and job strain were measured using the Swedish job exposure matrix measuring psychosocial workload on the occupational level linked to over 3 million individuals based on their occupational titles in 2005 and followed up until 2016. Cox regression models were built to estimate associations with alcohol-related diagnoses recorded in patient registers. Results Low job control was associated with an increased risk of alcohol-related morbidity, while high job demands tended to be associated with a decreased risk. Passive and high-strain jobs among men and passive jobs among women were also associated with an increased risk of alcohol diagnoses. However, all associations were found to be weakened in models adjusted for other factors measured prospectively over the life-course, especially in models that included level of education. Conclusion The associations between low job control and high job demands, and the risk of alcohol-related morbidity reflect underlying socioeconomic differences to some extent. Lower job control, however, remained associated with a higher risk of alcohol-related morbidity.
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Affiliation(s)
- Melody Almroth
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Tomas Hemmingsson
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.,Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
| | - Alma Sörberg Wallin
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
| | - Katarina Kjellberg
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.,Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Daniel Falkstedt
- Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.,Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
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The impact of musculoskeletal pain and strenuous work on self-reported physical work ability: a cohort study of Swedish men and women. Int Arch Occup Environ Health 2021; 95:939-952. [PMID: 34825943 PMCID: PMC9203375 DOI: 10.1007/s00420-021-01816-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 11/01/2021] [Indexed: 11/18/2022]
Abstract
Objective We investigated the separate and combined effects of musculoskeletal pain (MSP) and strenuous work (heavy physical workload (PWL)/low-decision authority) on poor physical work ability (WA). Methods This study uses baseline data from the 2010 Stockholm Public Health Questionnaire (SPHQ) including 9419 workers with good physical WA. Exposure to PWL and decision authority were estimated using sex-specific job-exposure matrices linked to occupations. Exposures (high/low) were combined with the presence of MSP. Follow-up data on physical WA were taken from the 2014 SPHQ and dichotomised (the responses: “moderate”, “rather poor” and “very poor” indicated poor WA). Logistic regression models calculated sex-specific odds ratios adjusting for age, education and health and lifestyle factors. Interaction between MSP and strenuous work was examined using the synergy index (SI). Analyses were conducted using SPSS.27. Results MSP, heavy PWL and low-decision authority were separately associated with poor WA. MSP was associated with higher odds of poor WA than strenuous work for women, the opposite for men. Combinations of MSP and strenuous work often resulted in higher risks of poor WA than when adding the effects of the single exposures (e.g., MSP and heavy PWL men: AOR 4.04 95% CI 2.00–8.15, women: AOR: 3.25 95% CI 1.81–5.83). The SI was non-significant for both sexes. Conclusion Workers with MSP and strenuous work often had higher risks of poor WA than would be expected from adding the effects of the single exposures. To decrease poor WA in this group, strenuous work should be lowered, and MSP addressed in workplaces.
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