Association between extremely long working hours and musculoskeletal symptoms: A nationwide survey of medical residents in South Korea

Sung, Hyoju; Kim, Ja Young; Kim, Ji Hwan; Punnett, Laura; Lee, Hyemin; Kim, Seung-Sup

doi:10.1002/1348-9585.12125

Cited by 4 publications

(4 citation statements)

References 30 publications

(55 reference statements)

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“…Work length that is not ideal can increase the incidence of MSDs because the longer the worker is exposed to the risk, the greater the appearance of musculoskeletal complaints. These findings were also consistent with previous studies showing a link between long working hours and the incidence of MSDs (Lee et al, 2018;Sung et al, 2020;Amiri, 2022).…”

Section: Resultssupporting

confidence: 93%

Risk Factors of Musculoskeletal Disorders among Workers of Water Refilling Depot

Hulu

Manalu

Siregar

et al. 2023

AgriHealth:J.Agr-food.Nutr.Pblchealth

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Complaints of musculoskeletal disorders (MSDs) are common in workers with a reasonably heavy workload, such as workers at refill drinking water depots. MSDs can be caused by repetitive activities such as daily bending, lifting and lowering liters of drinking water refills. This study aimed to identify the risk factors of MSDs among workers at refilled drinking water filling depots and analyze the dominant factors that influence MSDs. This study was quantitative research with an analytical survey using a cross-sectional design conducted in Simpang Selayang Village, Medan City, Indonesia. A total of 40 refilled drinking water depot workers were involved in this study with a comprehensive sampling approach. Data was collected directly by distributing questionnaires to workers at refill drinking water filling depots. Data were tested statistically using the Chi-Square test and logistic regression. The analysis showed that work posture, workload, tenure and length of work are associated with MSDs complaints. The results of the logistic regression test showed that the dominant variable influencing MSDs complaints is work posture. Refillable drinking water depot workers with non-ergonomic working postures were likely to experience MSDs complaints 11 times as often as those with ergonomic work postures. The findings highlight the need for local health agencies to educate or empower workers at water refilling stations regarding MSDs complaints. Musculoskeletal disorders associated with work involving heavy loads could be prevented if workers know ergonomic work postures well. In addition, adequate rest is recommended to avoid musculoskeletal injuries.

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Section: Resultssupporting

confidence: 93%

Risk Factors of Musculoskeletal Disorders among Workers of Water Refilling Depot

Hulu

Manalu

Siregar

et al. 2023

AgriHealth:J.Agr-food.Nutr.Pblchealth

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show abstract

“…Further cross-sectional data from a national health survey in the United States, found that those working 46 hours or more per week were more likely to report neck pain, compared with working 40 hours per week 24,25 . Extremely long working hours (on average 85.6 hours per week) among medical residents in a cross-sectional study in South Korea did also show an association with upper limb and low back pain 26 . Unfortunately, none of the mentioned studies of long working hours and pain measured sleep or insomnia symptoms.…”

Section: Discussionmentioning

confidence: 90%

“…24,25 Extremely long working hours (on average 85.6 hours per week) among medical residents in a cross-sectional study in South Korea did also show an association with upper limb and low back pain. 26 Unfortunately, none of the mentioned studies of long working hours and pain measured sleep or insomnia symptoms. This would have improved comparison to previous studies.…”

Section: Discussionmentioning

confidence: 99%

Extended Work Shifts Increase Subjective Pain Complaints Among Cabin Crewmembers, but Not Among Airline Pilots or Healthcare Workers

Matre

Goffeng²,

Nordby³

et al. 2022

Journal of Occupational &Amp; Environmental Medicine

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“…However, comprehensive research encompassing all occupations and working hours related to LBP has been lacking. The relationship between working hours and LBP has been unequivocal in studies involving certain occupations like nurses, doctors, and those involving prolonged sitting ( 11 , 31 , 32 ). The odds ratio of 1.19 (95% CI 0.92–1.53) reported in the DAG-based model of this study was even larger, 1.51 (95% CI 1.21–1.89) in the same model (data not shown), when the definition of extremely long working hours was changed.…”

Section: Discussionmentioning

confidence: 99%

Pay-for-performance and low back pain with interaction of overwork: findings from the cross-sectional Korean working conditions survey

Hur,

Lee

2024

Front. Public Health

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BackgroundPay-for-performance (PFP) is a type of incentive system where employees receive monetary rewards for meeting predefined standards. While previous research has investigated the relationship between PFP and health outcomes, the focus has primarily been on mental health. Few studies have explored the impact of PFP on specific physical symptoms like pain.MethodsData from the Korean Working Conditions Survey (KWCS) was analyzed, encompassing 20,815 subjects with information on PFP and low back pain (LBP). The associations between types of base pay (BP) and PFP with LBP were examined using multivariate logistic regression models, taking into account a directed acyclic graph (DAG). The interaction of overtime work was further explored using stratified logistic regression models and the relative excess risk for interaction.ResultsThe odds ratio (OR) for individuals receiving both BP and PFP was statistically significant at 1.19 (95% CI 1.04–1.35) compared to those with BP only. However, when the DAG approach was applied and necessary correction variables were adjusted, the statistical significance indicating a relationship between PFP and LBP vanished. In scenarios without PFP and with overtime work, the OR related to LBP was significant at 1.54 (95% CI 1.35–1.75). With the presence of PFP, the OR increased to 2.02 (95% CI 1.66–2.45).ConclusionPay-for-performance may influence not just psychological symptoms but also LBP in workers, particularly in conjunction with overtime work. The impact of management practices related to overtime work on health outcomes warrants further emphasis in research.

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Association between extremely long working hours and musculoskeletal symptoms: A nationwide survey of medical residents in South Korea

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 4 publications

References 30 publications

Risk Factors of Musculoskeletal Disorders among Workers of Water Refilling Depot

Risk Factors of Musculoskeletal Disorders among Workers of Water Refilling Depot

Extended Work Shifts Increase Subjective Pain Complaints Among Cabin Crewmembers, but Not Among Airline Pilots or Healthcare Workers

Pay-for-performance and low back pain with interaction of overwork: findings from the cross-sectional Korean working conditions survey

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