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Xu Q, Wang L, Zhang Y, Jiang X. On-call work and depressive mood: A cross-sectional survey among rural migrant workers in China. Front Psychol 2023; 13:1068663. [PMID: 36698555 PMCID: PMC9868730 DOI: 10.3389/fpsyg.2022.1068663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 12/16/2022] [Indexed: 01/11/2023] Open
Abstract
Introduction With the rapid development of China's "gig economy," the on-call work model has grown increasingly prevalent in China and has attracted a large number of rural migrant workers with its low employment threshold. However, this irregular employment mode may negatively impact the mental health of workers. Methods This paper uses an ordinal logistic regression model to study the relationship between Chinese rural migrant workers' on-call work and their depression. Results The results showed that after controlling for relevant variables, the odds ratio of depressive mood among rural migrant workers engaged in on-call work was 1.22 (95% CI 1.04-1.43) compared with rural migrant workers who did not need to be on call. In further heterogeneity research, we found that on-call work is more likely to aggravate the depression risk of rural migrant workers who are highly dependent on the internet and have low-wage incomes. Discussion This research suggests that appropriate measures should be taken to mitigate the negative impact of on-call work on the mental health of rural migrant workers, and more attention needs to be paid to the mental health of lower salaried and gig workers. This paper provides a valuable sample of Chinese rural migrant workers for theoretical research on the relationship between on-call work and mental health and confirms the relationship between the two. These results contribute new ideas to the theory and practice of psychological crisis intervention aimed at Chinese rural migrant workers.
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Ropponen A, Koskinen A, Puttonen S, Ervasti J, Kivimäki M, Oksanen T, Härmä M, Karhula K. Working hours, on-call shifts, and risk of occupational injuries among hospital physicians: A case-crossover study. J Occup Health 2022; 64:e12322. [PMID: 35297542 PMCID: PMC9176712 DOI: 10.1002/1348-9585.12322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 12/01/2022] Open
Abstract
Objective To investigate the association of hospital physicians’ working hours and on‐call shifts with the risk of occupational injuries. Methods In this nested cohort study of 556 Finnish hospital physicians, we linked electronic records from working‐hour and on‐call duty payroll data to occupational injury data obtained from the Finnish Workers’ Compensation Center for the period 2005–2019. We used a case‐crossover design with matched intervals for a 7‐day ‘case window’ immediately prior to occupational injury and a ‘control window’ 7 days prior to the beginning of the case window, and analyzed their associations using conditional logistic regression models. Results We noted 556 occupational injuries, 281 at the workplace and 275 while commuting. Having three to four long (>12 h) work shifts on the preceding 7 days was associated with a higher probability of an occupational injury (odds ratio [OR] 2.14, 95% confidence interval [CI] 1.11, 4.09), and the OR for three to four on‐call shifts was 3.54 (95%CI 2.11, 5.92) in comparison to having none of these work shift types. A higher number of several consecutive working days was associated with a higher probability of injury in a dose‐response manner. Moreover, increasing weekly working hours was associated with an increased likelihood of injury (OR 1.03, 95%CI 1.01, 1.04), whereas the number of normal (≤12 h) work shifts reduced this likelihood (OR 0.79, 95%CI 0.64, 0.98). Conclusions Our findings suggest that accumulated working‐hour load, as opposed to single, very long (>24 h) work shifts, may increase the risk of occupational injury among hospital physicians.
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Affiliation(s)
- Annina Ropponen
- Finnish Institute of Occupational Health, Helsinki, Finland.,Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Aki Koskinen
- Finnish Institute of Occupational Health, Helsinki, Finland
| | | | - Jenni Ervasti
- Finnish Institute of Occupational Health, Helsinki, Finland
| | - Mika Kivimäki
- Finnish Institute of Occupational Health, Helsinki, Finland.,Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Department of Epidemiology and Public Health, University College London, London, United Kingdom
| | - Tuula Oksanen
- School of Medicine, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Mikko Härmä
- Finnish Institute of Occupational Health, Helsinki, Finland
| | - Kati Karhula
- Finnish Institute of Occupational Health, Helsinki, Finland
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Ropponen A, Koskinen A, Puttonen S, Ervasti J, Kivimäki M, Oksanen T, Härmä M, Karhula K. Association of working hour characteristics and on-call work with risk of short sickness absence among hospital physicians: A longitudinal cohort study. Chronobiol Int 2021; 39:233-240. [PMID: 34724854 DOI: 10.1080/07420528.2021.1993238] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Physicians often work long hours and on-call shifts, which may expose them to circadian misalignment and negative health outcomes. However, few studies have examined whether these working hour characteristics, ascertained using objective working hour records, are associated with the physicians' risk of sickness absence. We investigated the associations of 14 characteristics of payroll-based working hours and on-call work with the risk of short sickness absence among hospital physicians. In this cohort study, 2845 physicians from six Finnish hospital districts were linked to electronic payroll-based records of daily working hours, on-call duty and short (1-3 days) sickness absence between 2005 and 2019. A case-crossover design was applied using conditional logistic regression with the 28 day case and control windows to estimate odds ratios (ORs) and 95% confidence intervals (CI) for short sickness absence. After controlling for weekly working hours and the number of normal (≤12 h) shifts, a higher number of long (>12 h) shifts (ORs for ≥5 versus none: 2.54, 95% CI 1.68-3.84), very long (>24 h) shifts (ORs for ≥5 versus none: 2.62, 95%CI 1.61-4.27), and on-call shifts (OR for ≥5 versus none: 2.15, 95% CI 1.44-3.21) and a higher number of short (<11 h) shift intervals (OR for ≥5 versus none: 12.61, 95% CI 8.88-17.90) were all associated with the increased risk of short sickness absence. These associations did not differ between male and female physicians or between age groups. To conclude, the findings from objective working hour records show that long work shifts, on-call shifts and short shift intervals are related to the risk of short (1-3 days) sickness absence among hospital physicians.
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Affiliation(s)
- Annina Ropponen
- Finnish Institute of Occupational Health, Helsinki, Finland.,Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Aki Koskinen
- Finnish Institute of Occupational Health, Helsinki, Finland
| | | | - Jenni Ervasti
- Finnish Institute of Occupational Health, Helsinki, Finland
| | - Mika Kivimäki
- Finnish Institute of Occupational Health, Helsinki, Finland.,Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Department of Epidemiology and Public Health, University College London, London, UK
| | - Tuula Oksanen
- School of Medicine, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Mikko Härmä
- Finnish Institute of Occupational Health, Helsinki, Finland
| | - Kati Karhula
- Finnish Institute of Occupational Health, Helsinki, Finland
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Lundholm KR, Honn KA, Skeiky L, Muck RA, Van Dongen HPA. Trait Interindividual Differences in the Magnitude of Subjective Sleepiness from Sleep Inertia. Clocks Sleep 2021; 3:298-311. [PMID: 34204864 DOI: 10.3390/clockssleep3020019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/29/2021] [Accepted: 05/31/2021] [Indexed: 01/06/2023] Open
Abstract
In shift work settings and on-call operations, workers may be at risk of sleep inertia when called to action immediately after awakening from sleep. However, individuals may differ substantially in their susceptibility to sleep inertia. We investigated this using data from a laboratory study in which 20 healthy young adults were each exposed to 36 h of total sleep deprivation, preceded by a baseline sleep period and followed by a recovery sleep period, on three separate occasions. In the week prior to each laboratory session and on the corresponding baseline night in the laboratory, participants either extended their sleep period to 12 h/day or restricted it to 6 h/day. During periods of wakefulness in the laboratory, starting right after scheduled awakening, participants completed neurobehavioral tests every 2 h. Testing included the Karolinska Sleepiness Scale to measure subjective sleepiness, for which the data were analyzed with nonlinear mixed-effects regression to quantify sleep inertia. This revealed considerable interindividual differences in the magnitude of sleep inertia, which were highly stable within individuals after both baseline and recovery sleep periods, regardless of study condition. Our results demonstrate that interindividual differences in subjective sleepiness due to sleep inertia are substantial and constitute a trait.
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Gregory K, Hobbs A, Parke B, Bathurst N, Pradhan S, Flynn-Evans E. An evaluation of fatigue factors in maritime pilot work scheduling. Chronobiol Int 2020; 37:1495-1501. [PMID: 32911999 DOI: 10.1080/07420528.2020.1817932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Maritime piloting operations involve on-call work schedules that may lead to sleep loss and circadian misalignment. Our study documented pilot work scheduling practices (n = 61) over a one-year period. Most pilots worked a week-on/week-off schedule. Work periods averaged 7.6 hours in duration and pilots worked up to four ship assignments during a given work period. Work weeks averaged a total of 35.0 hours with pilots working on average three consecutive days. Night work was common (19.0 hours/week) with 02:00 h the most common starting hour for a work period. On-call work periods occurred at irregular times with a high degree of start time variability between consecutive work periods. While typical individual and weekly work total hours were not high, there were instances with long work periods, minimal rest opportunities, and extended total weekly work hours. Fatigue-model predictions based on work schedules were similar to objective outcomes collected among other groups of maritime pilots and may prove useful in identifying potential fatigue risks within on-call work schedules. Future studies should be conducted using objective measures to provide further insight on how on-call maritime operations influence sleep timing, alertness, and performance.
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Affiliation(s)
- Kevin Gregory
- Fatigue Countermeasures Laboratory, NASA Ames Research Center, Moffett Field, CA, USA
| | - Alan Hobbs
- Fatigue Countermeasures Laboratory, San José State University Research Foundation, Moffett Field, CA, USA
| | - Bonny Parke
- Fatigue Countermeasures Laboratory, San José State University Research Foundation, Moffett Field, CA, USA
| | - Nicholas Bathurst
- Fatigue Countermeasures Laboratory, San José State University Research Foundation, Moffett Field, CA, USA
| | - Sean Pradhan
- Fatigue Countermeasures Laboratory, San José State University Research Foundation, Moffett Field, CA, USA.,School of Business, Menlo College, Atherton, CA, USA
| | - Erin Flynn-Evans
- Fatigue Countermeasures Laboratory, NASA Ames Research Center, Moffett Field, CA, USA
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Karhula K, Wöhrmann AM, Brauner C, Härmä M, Kivimäki M, Michel A, Oksanen T. Working time dimensions and well-being: a cross-national study of Finnish and German health care employees. Chronobiol Int 2020; 37:1312-1324. [PMID: 32727224 DOI: 10.1080/07420528.2020.1778716] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Health care professionals often face irregular working hours and high work pace. We studied associations of the five working time dimensions duration (weekly working hours), timing (shift work and weekend work), on-call work, working time autonomy, and work tempo (deadline and performance pressure) with well-being among health care employees in Finland and Germany. We used data on working time dimensions and indicators of well-being (work-life conflict, poor perceived health, sleep difficulties, and fatigue) from a cohort of 5050 hospital employees (Working Hours in the Finnish Public Sector Study 2015, WHFPS) and 1450 employees in the health care sector in Germany responding to the German BAuA-Working Time Survey in 2015 (BAuA-WTS). Findings from logistic regression analyses showed that high work tempo was associated with increased work-life conflict (WHFPS: odds ratio [OR] = 3.64, 95%CI 3.04-4.36 and BAuA-WTS: OR = 2.29, 95%CI 1.60-3.27), sleep difficulties (OR = 1.75, 95%CI 1.43-2.15 and OR = 1.33, 95%CI 1.03-1.71) and fatigue (OR = 2.13, 95%CI 1.77-2.57 and OR = 1.64, 95%CI 1.29-2.10) in both datasets. Weekend work was associated with increased work-life conflict (OR = 1.48, 95%CI 1.27-1.72 and OR = 1.61, 95%CI 1.12-2.32); and high working time autonomy with decreased work-life conflict (control over the timing of breaks: OR = 0.65, 95%CI 0.55-0.78 and OR = 0.52, 95%CI 0.33-0.81). The associations between other working time dimensions and well-being were less consistent. These results suggest that tight deadlines, performance pressure, weekend work and lack of working time autonomy are linked to impaired well-being among health care employees.
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Affiliation(s)
- Kati Karhula
- Finnish Institute of Occupational Health, Work Ability and Working Careers, Helsinki, Finland
| | - Anne Marit Wöhrmann
- Division 1 Policy Issues and Programmes, Federal Institute for Occupational Safety and Health (BAuA), Dortmund, Germany
| | - Corinna Brauner
- Division 1 Policy Issues and Programmes, Federal Institute for Occupational Safety and Health (BAuA), Dortmund, Germany
| | - Mikko Härmä
- Finnish Institute of Occupational Health, Work Ability and Working Careers, Helsinki, Finland
| | - Mika Kivimäki
- Finnish Institute of Occupational Health, Work Ability and Working Careers, Helsinki, Finland.,Clinicum, University of Helsinki, Helsinki, Finland.,Department of Epidemiology and Public Health, University College London Medical School, London, UK
| | - Alexandra Michel
- Division 1 Policy Issues and Programmes, Federal Institute for Occupational Safety and Health (BAuA), Dortmund, Germany
| | - Tuula Oksanen
- Finnish Institute of Occupational Health, Work Ability and Working Careers, Helsinki, Finland.,Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
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