Ridwanul Amin, Ellenor Mittendorfer-Rutz, Karina Undem, Ingrid Sivesind Mehlum, Rachel Louise Hasting
{"title":"Does country of resettlement influence the risk of labor market marginalization among refugees? A cohort study in Sweden and Norway.","authors":"Ridwanul Amin, Ellenor Mittendorfer-Rutz, Karina Undem, Ingrid Sivesind Mehlum, Rachel Louise Hasting","doi":"10.5271/sjweh.4154","DOIUrl":"10.5271/sjweh.4154","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to compare the risk of labor market marginalization among refugees across different host countries of resettlement and examine the moderating role of birth country and length of stay on these associations.</p><p><strong>Methods: </strong>Cohorts of refugees and native-born individuals aged 19-60 in Sweden (N=3 605 949, 3.5% refugees) and Norway (N=1 784 861, 1.7% refugees) were followed during 2010-2016. Rates (per 1000 person-years) of long-term unemployment, long-term sickness absence, and disability pension were estimated for refugees and the host populations. Cox regression models estimated crude and adjusted (for sex, age, educational level, and civil status) hazard ratio (HR<sub>adj</sub>) for refugees compared to their respective host population, with 95% confidence intervals (CI). Analyses were also stratified by birth country and length of stay.</p><p><strong>Results: </strong>Refugees in Norway and Sweden had a higher incidence of labor market marginalization compared to their host population. Refugees in Sweden had a comparatively lower relative risk of long-term unemployment but higher risk of disability pension (HR<sub>adj</sub> 3.44, 95% CI, 3.38-3.50 and HR<sub>adj</sub> 2.45, 2.35-2.56, respectively) than refugees in Norway (HR<sub>adj</sub> 3.70, 3.58-3.82 and HR<sub>adj</sub> 1.57, 1.49-1.66, respectively). These relative risks varied when stratifying by birth country. A shorter length of stay was associated with a higher risk of long-term unemployment and a lower risk of disability pension, with a stronger gradient in Sweden than in Norway.</p><p><strong>Conclusions: </strong>The relative risk of labor market marginalization varied by the refugees' birth country but followed similar trends in Sweden and Norway. Although speculative, these findings may hint at non-structural factors related to the refugee experience playing a more important role than host country structural factors for the risk of labor market marginalization among refugees. Future research, including host countries with more variability in structural factors, is required to further investigate these associations. The higher risk of long-term unemployment among refugees with shorter length of stay indicates a need for more efficient labor market integration policies for newly-arrived refugees.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"279-289"},"PeriodicalIF":6.3,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11129853/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140288904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fabrizio Méndez-Rivero, Nuria Matilla-Santander, Virginia Gunn, David H Wegman, Julio C Hernando-Rodriguez, Signild Kvart, Mireia Julià, Bertina Kreshpaj, Theo Bodin, Tomas Hemmingsson, Carles Muntaner, Eva Padrosa, Melody Almroth
{"title":"Can psychosocial risk factors mediate the association between precarious employment and mental health problems in Sweden? Results from a register-based study.","authors":"Fabrizio Méndez-Rivero, Nuria Matilla-Santander, Virginia Gunn, David H Wegman, Julio C Hernando-Rodriguez, Signild Kvart, Mireia Julià, Bertina Kreshpaj, Theo Bodin, Tomas Hemmingsson, Carles Muntaner, Eva Padrosa, Melody Almroth","doi":"10.5271/sjweh.4151","DOIUrl":"10.5271/sjweh.4151","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study was to examine the mediating effect of the psychosocial work environment on the association between precarious employment (PE) and increased risk of common mental disorders (CMD), substance use disorders and suicide attempts.</p><p><strong>Methods: </strong>This longitudinal register-study was based on the working population of Sweden, aged 25-60 years in 2005 (N=2 552 589). Mediation analyses based on a decomposition of counterfactual effects were used to estimate the indirect effect of psychosocial risk factors (PRF) (mediators, measured in 2005) on the association between PE (exposure, measured in 2005) and the first diagnosis of CMD, substance use disorders, and suicide attempts occurring over 2006-2017.</p><p><strong>Results: </strong>The decomposition of effects showed that the indirect effect of the PRF is practically null for the three outcomes considered, among both sexes. PE increased the odds of being diagnosed with CMD, substance use disorders, and suicide attempts, among both men and women. After adjusting for PE, low job control increased the odds of all three outcomes among both sexes, while high job demands decreased the odds of CMD among women. High job strain increased the odds of CMD and suicide attempts among men, while passive job increased the odds of all three outcomes among women.</p><p><strong>Conclusion: </strong>The results of this study did not provide evidence for the hypothesis that psychosocial risks could be the pathways linking precarious employment with workers` mental health. Future studies in different social contexts and labour markets are needed.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"268-278"},"PeriodicalIF":4.7,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11129838/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140207558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Melody Almroth, Tomas Hemmingsson, Daniel Falkstedt, Katarina Kjellberg, Emma Carlsson, Kuan-Yu Pan, Karin Berglund, Emelie Thern
{"title":"The role of working conditions in educational differences in all-cause and ischemic heart disease mortality among Swedish men.","authors":"Melody Almroth, Tomas Hemmingsson, Daniel Falkstedt, Katarina Kjellberg, Emma Carlsson, Kuan-Yu Pan, Karin Berglund, Emelie Thern","doi":"10.5271/sjweh.4158","DOIUrl":"10.5271/sjweh.4158","url":null,"abstract":"<p><strong>Objectives: </strong>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.</p><p><strong>Methods: </strong>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.</p><p><strong>Results: </strong>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.</p><p><strong>Conclusion: </strong>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.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"300-309"},"PeriodicalIF":4.7,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11130708/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140294459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alexander Jahn, Johan Hviid Andersen, Andreas Seidler, David Høyrup Christiansen, Annett Dalbøge
{"title":"Hip osteoarthritis and occupational mechanical exposures: a systematic review and meta-analysis.","authors":"Alexander Jahn, Johan Hviid Andersen, Andreas Seidler, David Høyrup Christiansen, Annett Dalbøge","doi":"10.5271/sjweh.4152","DOIUrl":"10.5271/sjweh.4152","url":null,"abstract":"<p><strong>Objectives: </strong>The aim was to conduct a systematic review and meta-analysis investigating the association between occupational mechanical exposures and hip osteoarthritis.</p><p><strong>Methods: </strong>The study was registered in PROSPERO. A systematic literature search was conducted in six databases to identify relevant articles. Two authors independently excluded articles, extracted data, assessed the risk of bias of each included article, and graded the level of evidence. We conducted a meta-analysis using random-effects model and performed a sensitivity analysis stratifying articles based on the risk of bias assessment, study design, and the outcome measurement.</p><p><strong>Results: </strong>Twenty-four articles were eligible for inclusion. The highest pooled odds ratio (OR) was found for combined mechanical exposures [OR 1.7, 95% confidence interval (CI) 1.4-2.0], non-neutral postures (OR 1.7, 95% CI 1.4-2.1), lifting/carrying loads (OR 1.6, 95% CI 1.3-1.9), and climbing stairs (OR 1.6, 95% CI 1.1-2.2). The range of pooled OR for the remaining mechanical exposures (eg, standing, walking, kneeling, squatting, and sitting) was 0.6-1.6. Grading the quality of evidence, a moderate level of evidence was found for the combined mechanical exposures and for lifting/carrying loads. The remaining exposure categories were graded as having either low or very low levels of evidence.</p><p><strong>Conclusions: </strong>Considerable heterogeneity was observed across the included studies, and high-quality literature using objective exposure measurements is warranted. Despite various limitations affecting the comparability, occupational mechanical exposures seem to influence the likelihood of developing hip osteoarthritis.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"244-256"},"PeriodicalIF":6.3,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11129821/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140120468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Relationship between long working hours and smoking behaviors: Evidence from population-based cohort studies in Korea.","authors":"Seong-Uk Baek, Myeong-Hun Lim, Taeyeon Kim, Yu-Min Lee, Jong-Uk Won, Jin-Ha Yoon","doi":"10.5271/sjweh.4147","DOIUrl":"10.5271/sjweh.4147","url":null,"abstract":"<p><strong>Objectives: </strong>Long working hours and overwork are growing public health concerns in the Western-Pacific region. We explored the relationship between working hours and smoking behaviors of Korean workers.</p><p><strong>Methods: </strong>This study included 284 782 observations (50 508 workers) from four nationwide cohort studies in Korea. Using generalized estimating equations, we estimated the associations of working hours with current smoking status, smoking initiation, and smoking cessation within each cohort. Cohort-specific estimates were combined through random-effect meta-analysis. Effect sizes were presented as odds ratios (OR) and 95 confidence intervals (CI).</p><p><strong>Results: </strong>The overall smoking prevalence was 26.8% within the cohorts. The adjusted OR (95% CI) of the association between working hours and current smoking were 1.01 (0.94-1.08) for <35 hours/week, 1.04 (1.01-1.09) for 41-48 hours/week, 1.06 (1.01-1.10) for 49-54 hours/week, and 1.07 (1.04-1.10) for ≥55 hours/week compared with 35-40 hours/week. The adjusted OR (95% CI) of the association between working hours and smoking cessation in the follow-up were 0.93 (0.85-1.02) for <35 hours/week, 0.89 (0.83-0.96) for 41-48 hours/week, 0.87 (0.81-0.95) for 48-54 hours/week, and 0.91 (0.85-0.98) for ≥55 hours/week compared with 35-40 hours/week. No clear associations were observed between working hours and smoking initiation.</p><p><strong>Conclusion: </strong>Long working hours are associated with high current smoking risk and reduced likelihood of smoking cessation among Korean workers. Policy interventions are required to promote smoking cessation and reduce excess overwork for individuals experiencing long working hours.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"257-267"},"PeriodicalIF":6.3,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11129822/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140144015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Working hours and health - key research topics in the past and future.","authors":"Mikko Härmä, Göran Kecklund, Philip Tucker","doi":"10.5271/sjweh.4157","DOIUrl":"10.5271/sjweh.4157","url":null,"abstract":"<p><strong>Objective: </strong>This paper discusses the past and present highlights of working hours and health research and identifies key research needs for the future.</p><p><strong>Method: </strong>We analyzed over 220 original articles and reviews on working hours and health in the Scandinavian Journal of Work, Environment & Health published during the last 50 years. Key publications from other journals were also included.</p><p><strong>Results: </strong>The majority of identified articles focussed on the effects of shift and night work, with fewer studying long and reduced working hours and work time control. We observed a transition from small-scale experimental and intensive field studies to large-scale epidemiological studies utilizing precise exposure assessment, reflecting the recent emergence of register-based datasets and the development of analytic methods and alternative study designs for randomized controlled designs. The cumulative findings provide convincing evidence that shift work and long working hours, which are often associated with night work and insufficient recovery, increase the risk of poor sleep and fatigue, sickness absence, occupational injuries, and several chronic health conditions such as cardiovascular diseases and cancer. The observed risks are strongly modified by individual and work-related factors.</p><p><strong>Conclusions: </strong>Although the observed health risks of shift work and long working hours are mostly low or moderate, the widespread prevalence of exposure and the hazardousness of the many associated potential outcomes makes such working time arrangements major occupational health risks. Further research is needed to identify exposure-response associations, especially in relation to the chronic health effects, and to elucidate underlying pathways and effective personalized intervention strategies.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"233-243"},"PeriodicalIF":6.3,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11129786/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140144017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Benjamin Wachtler, Florian Beese, Ibrahim Demirer, Sebastian Haller, Timo-Kolja Pförtner, Morten Wahrendorf, Markus M Grabka, Jens Hoebel
{"title":"Education and pandemic SARS-CoV-2 infections in the German working population - the mediating role of working from home.","authors":"Benjamin Wachtler, Florian Beese, Ibrahim Demirer, Sebastian Haller, Timo-Kolja Pförtner, Morten Wahrendorf, Markus M Grabka, Jens Hoebel","doi":"10.5271/sjweh.4144","DOIUrl":"10.5271/sjweh.4144","url":null,"abstract":"<p><strong>Objectives: </strong>SARS-CoV-2 infections were unequally distributed during the pandemic, with those in disadvantaged socioeconomic positions being at higher risk. Little is known about the underlying mechanism of this association. This study assessed to what extent educational differences in SARS-CoV-2 infections were mediated by working from home.</p><p><strong>Methods: </strong>We used data of the German working population derived from the seroepidemiological study \"Corona Monitoring Nationwide - Wave 2 (RKI-SOEP-2)\" (N=6826). Infections were assessed by seropositivity against SARS-CoV-2 antigens and self-reports of previous PCR-confirmed infections from the beginning of the pandemic until study participation (November 2021 - February 2022). The frequency of working from home was assessed between May 2021 and January 2022.We used the Karlson-Holm-Breen (KHB) method to decompose the effect of education on SARS-CoV-2 infections.</p><p><strong>Results: </strong>Individuals with lower educational attainment had a higher risk for SARS-CoV-2 infection (adjusted prevalence ratio of low versus very high = 1.76, 95% confidence interval 1.08-2.88; P=0.023). Depending on the level of education, between 27% (high education) and 58% (low education) of the differences in infection were mediated by the frequency of working from home.</p><p><strong>Conclusions: </strong>Working from home could prevent SARS-CoV-2 infections and contribute to the explanation of socioeconomic inequalities in infection risks. Wherever possible, additional capacities to work remotely, particularly for occupations that require lower educational attainment, should be considered as an important measure of pandemic preparedness. Limitations of this study are the observational cross-sectional design and that the temporal order between infection and working from home remained unclear.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"168-177"},"PeriodicalIF":6.3,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11064849/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139723920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sylvia Jankowiak, Karin Rossnagel, Juliane Bauer, Andreas Schulz, Falk Liebers, Ute Latza, Karla Romero Starke, Andreas Seidler, Matthias Nübling, Merle Riechmann-Wolf, Stephan Letzel, Philipp Wild, Natalie Arnold, Manfred Beutel, Norbert Pfeiffer, Karl Lackner, Thomas Münzel, Alicia Schulze, Janice Hegewald
{"title":"Night shift work and cardiovascular diseases among employees in Germany: five-year follow-up of the Gutenberg Health Study.","authors":"Sylvia Jankowiak, Karin Rossnagel, Juliane Bauer, Andreas Schulz, Falk Liebers, Ute Latza, Karla Romero Starke, Andreas Seidler, Matthias Nübling, Merle Riechmann-Wolf, Stephan Letzel, Philipp Wild, Natalie Arnold, Manfred Beutel, Norbert Pfeiffer, Karl Lackner, Thomas Münzel, Alicia Schulze, Janice Hegewald","doi":"10.5271/sjweh.4139","DOIUrl":"10.5271/sjweh.4139","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to determine if there is an increased risk of incident cardiovascular diseases (CVD) resulting from cumulative night shift work in the German population-based Gutenberg Health Study (GHS).</p><p><strong>Methods: </strong>We examined working participants of the GHS at baseline and after five years. Cumulative night shift work in the 10 years before baseline was assessed and categorized as low (1-220 nights ≙ up to 1 year), middle (221-660 nights ≙ 1-3 years), and high (>660 nights ≙ more than 3 years) night shift exposure. Hazard ratios (HR) were estimated for incident \"quality-assured CVD events\" using Cox proportional hazard models.</p><p><strong>Results: </strong>At baseline, 1092 of 8167 working participants performed night shift work. During the follow-up, 202 incident cardiovascular events occurred. The crude incidence rates for CVD per 1000 person-years were 6.88 [95% confidence interval (CI) 4.80-9.55] for night shift workers and 5.19 (95% CI 4.44-6.04) for day workers. Cumulative incidence curves showed a higher cumulative incidence in workers exposed to night shift work compared to day workers after five years. The adjusted HR for incident CVD events were 1.26 (95% CI 0.68-2.33), 1.37 (95% CI 0.74-2.53) and 1.19 (95% CI 0.67-2.12) for employees in the low, middle and high night shift categories compared to employees without night shift work, respectively.</p><p><strong>Conclusions: </strong>The observed tendencies indicate that night shift work might be negatively associated with cardiovascular health. We expect the continued follow-up will clarify the long-term impact of night shift work.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"142-151"},"PeriodicalIF":6.3,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11006091/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139521870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jesper Medom Vestergaard, Jesper Nikolai Dietrich Haug, Annett Dalbøge, Jens Peter Ellekilde Bonde, Anne Helene Garde, Johnni Hansen, Åse Marie Hansen, Ann Dyreborg Larsen, Mikko Härmä, Sadie Costello, Henrik Albert Kolstad
{"title":"Validity of self-reported night shift work among women with and without breast cancer.","authors":"Jesper Medom Vestergaard, Jesper Nikolai Dietrich Haug, Annett Dalbøge, Jens Peter Ellekilde Bonde, Anne Helene Garde, Johnni Hansen, Åse Marie Hansen, Ann Dyreborg Larsen, Mikko Härmä, Sadie Costello, Henrik Albert Kolstad","doi":"10.5271/sjweh.4142","DOIUrl":"10.5271/sjweh.4142","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to estimate the validity of self-reported information on ever-night shift work among women with and without breast cancer and illustrate the consequences for breast cancer risk estimates.</p><p><strong>Methods: </strong>During 2015-2016, 225 women diagnosed with breast cancer and 1800 matched controls without breast cancer employed within the Danish hospital regions during 2007-2016 participated in a questionnaire-based survey. Their reported night shift work status was linked with objective payroll register day-by-day working hour data from the Danish Working Hour Database and the Danish Cancer Registry. For the breast cancer patients and their matched controls, we estimated sensitivity and specificity for ever-working night shifts using the payroll data as the gold standard. We also used quantitative bias analysis to estimate the impact on relative risk estimates for a hypothetical population.</p><p><strong>Results: </strong>For breast cancer patients, we observed a sensitivity of ever-night shifts of 86.2% and a specificity of never-night shifts of 82.6%. For controls, the sensitivity was 80.6% and the specificity 83.7%. Odds ratio for breast cancer in a hypothetical population decreased from 1.12 [95% confidence interval (CI) 1.03-1.21] to 1.05 (95% CI 0.95-1.16) when corrected by the sensitivity and specificity estimates.</p><p><strong>Conclusion: </strong>This study shows that female breast cancer patients had slightly better recall of previous night shift work than controls. Additionally, both breast cancer patients and controls recalled previous never-night shift work with low specificity. The net effect of this misclassification is a small over-estimation of the relative breast cancer risk due to night shift work.</p>","PeriodicalId":21528,"journal":{"name":"Scandinavian journal of work, environment & health","volume":" ","pages":"152-157"},"PeriodicalIF":6.3,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11006433/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139703319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}