Long working hours and alcohol use: systematic review and meta-analysis of published studies and unpublished individual participant data

Occupational health and safety among farmers: a comprehensive study in Central Anatolia, Turkey

BACKGROUND

The agricultural sector is vital for food production, economic stability, and environmental sustainability. However, it also poses significant occupational health and safety challenges due to factors such as heavy machinery usage, exposure to chemicals, and challenging environmental conditions.

METHOD

This cross-sectional study involved 366 farmers affiliated with the Yozgat Chamber of Agriculture in Turkey. Data on demographic characteristics, occupational factors, and work accidents were collected with interview technique between May and August 2023. While descriptive data were expressed as categories with numbers and percentages, chi-square analysis was used to compare the obtained answers with the status of having or not having a work accident. Binary logistic regression analysis was used to estimate the effect of independent variables on the probability of having a work accident.

RESULTS

The study revealed that 33.0% of farmers experienced work accidents in the last year. Most accidents occurred during work shifts (28.8%) and in the fall season (34.8%). Factors contributing to accidents included lack of personal protective equipment (51.5%) and transportation-related issues (36.4%). Logistic regression analysis indicated that working more than 8 h daily, working 5 days or more per week, and using bus/minibus transportation significantly increased the likelihood of experiencing work accidents.

CONCLUSION

Findings underscore the importance of implementing effective occupational health and safety measures, including proper training, provision of personal protective equipment, and improving transportation safety. Addressing these issues can enhance the well-being of agricultural workers and contribute to a safer working environment in the sector.

An urgent call to address work-related psychosocial hazards and improve worker well-being

Work-related psychosocial hazards are on the verge of surpassing many other occupational hazards in their contribution to ill-health, injury, disability, direct and indirect costs, and impact on business and national productivity. The risks associated with exposure to psychosocial hazards at work are compounded by the increasing background prevalence of mental health disorders in the working-age population. The extensive and cumulative impacts of these exposures represent an alarming public health problem that merits immediate, increased attention. In this paper, we review the linkage between work-related psychosocial hazards and adverse effects, their economic burden, and interventions to prevent and control these hazards. We identify six crucial societal actions: (1) increase awareness of this critical issue through a comprehensive public campaign; (2) increase etiologic, intervention, and implementation research; (3) initiate or augment surveillance efforts; (4) increase translation of research findings into guidance for employers and workers; (5) increase the number and diversity of professionals skilled in preventing and addressing psychosocial hazards; and (6) develop a national regulatory or consensus standard to prevent and control work-related psychosocial hazards.

Relationship between long working hours and smoking behaviors: Evidence from population-based cohort studies in Korea

OBJECTIVES

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.

METHODS

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).

RESULTS

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.

CONCLUSION

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.

Heavy Drinking by Occupation in Spain: Differences Between Weekdays and the Weekend

Estimating occupational disparity in heavy drinking jointly for weekdays and the weekend may be misleading for prevention purposes, because reasons for disparity in both periods may differ. The main objective was to assess occupational disparity in heavy average drinking (HAD) by week period and sex. 42,108 employees aged 16-64 were recruited from national surveys in Spain between 2011 and 2020. The outcome was HAD, defined as daily alcohol intake over 20 g (men) or 10 g (women). Occupation was classified in 15 categories. HAD adjusted prevalence ratios (HAD-aPRs) taking all occupations as reference, and relative adjusted excess prevalences (HAD-aEPs) comparing the weekend to weekdays in each occupation, were estimated using Poisson regression models with robust variance adjusted for sociodemographic and health covariates. The HAD-aPRs comparing each occupation with all occupations ranged 0.63-1.92 on weekdays and 0.65-1.45 on the weekend, with the highest aPRs on weekdays in construction, hospitality and primary-sector workers (1.92-1.62). The weekend-weekdays HAD-aEPs by occupation ranged 2.60-8.33, with the highest values in technicians/administrators, other professionals, teachers and health professionals (8.33-6.44). The global aEP was higher in women (6.04) than in men (3.92), especially in occupations just mentioned (8.70-11.73 in women vs. 3.64-6.32 in men). There was a considerable relative disparity in HAD risk between occupations on weekdays, with the highest risks in certain low-skilled occupations. Such disparity decreased on the weekend. The relative weekend increase in HAD risk was greater in women and in certain high-skilled occupations. This should be considered when designing prevention interventions on harmful drinking.

Operating under the influence: the effect of alcohol on operative performance using a virtual robotic training platform-an experimental comparative cohort study

An elevated percentage of medical personnel reports using alcohol to relieve stress. Levels of alcohol addiction are almost double that of the general population. Robotic surgery is becoming more widespread. The purpose of this study is to evaluate the effects of alcohol ingestion on performance of a standardized curriculum using a robotic training platform. Surgeons and surgical trainees were recruited. Candidates performed 4 standardized exercises (Vitruvian Operation (VO), Stacking Challenge (SC), Ring Tower (RT), Suture Sponge (SS)) at 0.0 blood alcohol concentration (BAC), followed by testing in the elimination phase at a target BAC of 0.8‰. Learning effects were minimised through prior training. A total of 20 participants were recruited. Scores for RT and SS exercises were significantly worse under the influence of alcohol [instruments out of view (SS (z = 2.012; p = 0.044), RT (z score 1.940, p = 0.049)), drops (SS (z = 3.250; p = 0.001)), instrument collisions (SS (z = 2.460; p = 0.014)), missed targets (SS (z = 2.907; p = 0.004)]. None of the scores improved with alcohol consumption, and there were measurable deleterious effects on the compound indicators risk affinity and tissue handling. Despite the potential mitigating features of robotic surgery including tremor filtration, motion scaling, and improved three-dimensional visualization, alcohol consumption was associated with a significant increase in risk affinity and rough tissue handling, along with a deterioration of performance in select virtual robotic tasks. In the interest of patient safety, alcohol should not be consumed prior to performing robotic surgery and sufficiently long intervals between alcohol ingestion and surgical performance are mandatory.

Masculine depression and its problem behaviors: use alcohol and drugs, work hard, and avoid psychiatry!

The gender role influences vulnerability to mental illness. Substance use, even critical in scale, is perceived as masculine, just like hard (over-)work, while not seeking help. With the ongoing separation between gender and sex, masculine norms become more relevant also to females' mental health. The male depression concept highlights the role of male symptoms in affective disorders. However, the empirical evidence is still limited. Here, we use the denomination 'masculine depression' to open the category for female patients and tested substance use patterns, health services' utilization, and working hours as predictors in a case-control study of 163 depressed in-patients (44% women; masculine vs. non-masculine depression according to a median split of the Male Depression Rating Scale-22) and 176 controls (51% women). We assessed higher depression severity in patients with masculine (vs. non-masculine) depression. Masculine depression (vs. non-masculine depression and vs. no depression) was predicted by more frequent and critical use of alcohol (including binge drinking), tobacco, and illicit drugs, and by longer working times. Moreover, fewer health services contacts due to mental complaints during the previous year were associated with masculine (vs. non-masculine) depression. Alarmingly, even critical substance misuse was not significantly associated with more frequent health services contacts; however, the higher the depression severity, the more contacts the patients reported. Here, we provide evidence that patients with masculine depression are highly burdened and undertreated, which applies equally to female and male patients. This study identified promising targets to establish specialized care offers.

Disordered alcohol and substance use in Irish farmers: A cross-sectional survey

PURPOSE

Farming is a high-pressure occupation. Populations of farmers face significant health risks, including injury, mental illness, and in some cases, heavy alcohol use. However, there is little research on farmers' use of substances beyond alcohol. This study examines factors relating to Irish farmers' disordered alcohol and substance use.

METHODS

In accordance with STROBE guidelines for cross-sectional research and reporting, we examined disordered alcohol and substance use in 351 Irish farmers using the Alcohol Use Disorders Identification Tool (AUDIT) and Drug Use Disorders Identification Tool (DUDIT).

FINDINGS

While 28% of farmers did not drink, 40% of those who did drink exceeded the AUDIT threshold for disordered use. Similarly, while 95% of farmers did not use substances, 78% of farmers who did use substances exceeded the DUDIT threshold for disordered use. Age was the most important risk factor for disordered alcohol and substance use and correlated with other main risk factors: lower income, no children, part-time farmer, and full-time off-farm roles. Disordered drinking was highest in farmers engaged in full-time education.

CONCLUSIONS

This population of Irish farmers report broadly healthy alcohol and substance use behaviors. Irish farmers may serve as a model group whose strengths can be utilized in interventions within and beyond the Irish farming community. Our results confirm the importance of analyzing demographic factors in farmers' drinking and identify younger farmers as especially at-risk for harmful alcohol and substance use.

Association between long working hours and the onset of problematic alcohol use in young workers: A population-based longitudinal analysis in South Korea

BACKGROUND

Long working hours can negatively impact mental health. We examined the association between long working hours and problematic alcohol use among young Korean workers.

METHODS

We included a nationally representative sample of workers below the age of 40 from the Youth Panel between 2016 and 2020 (N = 7846; observations: 27,646). The exposure variable was working hours per week. Problematic alcohol use was assessed using the CAGE questionnaire, and generalized estimating equations were used to account for repeated measurements.

RESULTS

Observations of the participants revealed that 5 % worked < 35 h/week, 51 % worked 35-40 h/week, 24 % worked 41-48 h/week, 11 % worked 49-54 h/week, and 9 % worked ≥55 h/week. The prevalence of problematic alcohol use among the workers was 2 % for <35 h/week, 2 % for 35-40 h/week, 3 % for 41-48 h/week, 4 % for 49-54 h/week, and 4 % for ≥55 h/week. The adjusted odds ratios (95 % confidence intervals) for the association between working hours per week and the onset of problematic alcohol use in the following year were 0.86 (0.45-1.66) for <35 h, 1.56 (1.22-1.99) for 41-48 h, 2.03 (1.49-2.75) for 49-54 h, and 1.68 (1.17-2.42) for ≥55 h, compared to 35-40 h.

LIMITATIONS

The observational design of the study prevented the establishment of a causal relationship between working hours and the onset of problematic alcohol use.

CONCLUSION

Long working hours were associated with the development of problematic alcohol use. Policy interventions should promote healthier drinking habits among workers with long work hours.

Outdoor light at night and mortality in the UK Biobank: a prospective cohort study

BACKGROUND

More than 83% of the world's population lives under light-polluted skies while information about health effects of outdoor light at night (LAN) is limited. We examined the association of LAN with natural cause (NC) and cardiovascular disease (CVD) mortality using the UK Biobank.

METHODS

We included 273 335 participants recruited between 2006 and 2010. Level of LAN was estimated at each participant's address using time-varying satellite data for a composite of persistent night-time illumination at ~1 km2 scale. Information on causes of death until 12 November 2021 was obtained through record linkage. Cox proportional hazards regression was used.

RESULTS

In the follow-up with an average of 12.4 years, 14 864 NC and 3100 CVD deaths were identified. Compared with the participants exposed to the first quartile of LAN, participants exposed to the highest quartile showed an 8% higher risk of NC mortality (HR: 1.08, 95% CI 1.03 to 1.13) after adjusting for age, sex, social-economic status, shift work, lifestyle factors and body mass index. However, the association disappeared after further adjustment for PM2.5 and evening noise, with HRs (95% CIs) of 1.02 (0.97 to 1.07), 1.01 (0.97 to 1.06) and 1.03 (0.97 to 1.08), respectively, for the participants exposed to the second, third and fourth quartiles of LAN. No significant associations were observed between LAN and CVD mortality, either.

CONCLUSIONS

We did not observe significant associations of LAN with NC and CVD mortality in this large nationwide cohort. The health effects of LAN remain unclear. Further studies are warranted to address this public health concern.

[Long Working and Commuting Times as Risk Factors for Depressive Symptoms: Cross-Sectional and Longitudinal Analyses]

Hintergrund Regelmäßige lange Arbeitszeiten und Arbeitswege könnten negative Folgen für die psychische Gesundheit haben. Die Studienergebnisse hierzu sind jedoch nicht eindeutig und variieren nach Ländern. Die vorliegende Analyse prüft für Deutschland Zusammenhänge zwischen langen Pendel- bzw. Arbeitszeiten und depressiver Symptomatik.

Methode Die „Studie Mentale Gesundheit bei der Arbeit“ (S-MGA) ist eine Längsschnittuntersuchung einer Zufallsstichprobe sozialversicherungspflichtig Beschäftigter. An der Basiserhebung nahmen 3 413 Personen teil, von denen 2 019 nach 5 Jahren erneut befragt wurden. Wöchentliche Arbeits- und Pendelzeiten sowie Covariaten (Alter, Geschlecht, berufliche Position, psychosoziale Arbeitsbedingungen) wurden zur Basisuntersuchung erhoben. Depressive Symptome wurden zu beiden Messzeitpunkten mit dem Patient Health Questionnaire (PHQ-9) erfasst. Um Zusammenhänge zu untersuchen, wurden mittels logistischer Regression Odds Ratios mit 95%-Konfidenzintervallen unter Kontrolle von Covariaten kalkuliert. Es wurden sowohl Querschnitts- (nur Basiserhebung) als auch Längsschnittsanalysen (Basis- und Nacherhebung) durchgeführt.

Ergebnisse Zur Basiserhebung hatten 7% der Beschäftigten lange wöchentliche Arbeitszeiten von≥55 Stunden, weitere 8% arbeiteten 49 bis 54 Stunden. Im Querschnitt waren lange Arbeitszeiten mit einer moderaten Erhöhung der depressiven Symptomatik gegenüber der Normalarbeitszeit (35 bis<40 h/Wo) assoziiert. Wenn die nach fünf Jahren neu auftretende depressive Symptomatik betrachtet wurde, war der Zusammenhang für Arbeitszeiten von 55 und mehr Stunden deutlich ausgeprägt (Odds ratio (OR) 2,14; 95% Konfidenzintervall (KI) 1,11;4,12), nicht jedoch für Arbeitszeiten von 49 bis 54 Stunden (OR 1,26, KI 0,65;2,43). Beschäftigte, die wöchentlich zehn Stunden und mehr pendelten, hatten im Querschnitt häufiger eine depressive Symptomatik (OR 1,83; KI 1,13;2,94) im Vergleich zur Referenzgruppe, die<2,5 Stunden pendelte. Dieser Zusammenhang war im Längsschnitt nicht zu beobachten.

Schlussfolgerungen Die Ergebnisse legen nahe, dass überlange Arbeits- und Pendelzeiten mit einer depressiven Symptomatik bei Beschäftigten assoziiert sind, wobei die Effekte bzgl. Pendelzeit nur im Querschnitt zu finden waren. Die Ergebnisse unterstreichen die Bedeutung der Einhaltung von Arbeitszeitregelungen und der Vermeidung überlanger Arbeitszeiten für die Mitarbeitergesundheit. Zur Rolle des Pendelns sind weiterführende Untersuchungen nötig.

Work as a social determinant of health in high-income countries: past, present, and future

This paper, the first in a three-part Series on work and health, provides a narrative review of research into work as a social determinant of health over the past 25 years, the key emerging challenges in this field, and the implications of these challenges for future research. By use of a conceptual framework for work as a social determinant of health, we identified six emerging challenges: (1) the influence of technology on the nature of work in high-income countries, culminating in the sudden shift to telework during the COVID-19 pandemic; (2) the intersectionality of work with gender, sexual orientation, age, race, ethnicity, migrant status, and socioeconomic status as codeterminants of health disparities; (3) the arrival in many Organisation for Economic Co-operation and Development countries of large migrant labour workforces, who are often subject to adverse working conditions and social exclusion; (4) the development of precarious employment as a feature of many national labour markets; (5) the phenomenon of working long and irregular hours with potential health consequences; and (6) the looming threat of climate change's effects on work. We conclude that profound changes in the nature and availability of work over the past few decades have led to widespread new psychosocial and physical exposures that are associated with adverse health outcomes and contribute to increasing disparities in health. These new exposures at work will require novel and creative methods of data collection for monitoring of their potential health impacts to protect the workforce, and for new research into better means of occupational health promotion and protection. There is also an urgent need for a better integration of occupational health within public health, medicine, the life sciences, and the social sciences, with the work environment explicitly conceptualised as a major social determinant of health.

Association between long working hours and cigarette smoking, leisure-time physical activity, and risky alcohol use: Findings from the Korea National Health and Nutrition Examination Survey (2014-2021)

BACKGROUND

Long working hours cause adverse health outcomes; however, the precise mechanisms underlying this relationship remain unknown. We examined the association between long working hours and health behaviors, as well as gender differences in this association.

METHODS

A nationally representative sample of 26,385 Korean workers was analyzed. The exposure variable was self-reported weekly working hours. The outcomes examined were cigarette smoking, high-level physical activity (defined as engaging in ≥150 min/week of moderate-to-vigorous leisure-time physical activity), and risky alcohol use (defined as consuming seven glasses for men or five glasses for women of alcohol in a single sitting, twice or more per week). Logistic regression models were utilized, and gender differences were examined by incorporating interaction terms into the regression models.

RESULTS

Among 26,385 workers, 4,109 (16%) worked ≥55 h/week. The prevalence of cigarette smoking, high-level physical activity, and risky alcohol use was 19%, 18%, and 14%, respectively. The odds ratio (OR) (95% confidence interval [CI]) of the association between working ≥55 h/week and outcomes was 1.26 (1.12-1.43) for cigarette smoking, 0.73 (0.65-0.83) for high-level physical activity, and 0.95 (0.83-1.08) for risky alcohol use compared to working 35-40 h/week. A moderating effect of gender on the association between long working hours and risky alcohol use was observed. The OR (95% CI) of the association between working ≥55 h/week was 0.88 (0.76-1.02) in men and 1.51 (1.12-2.05) in women.

CONCLUSION

Our findings emphasize the need for policy interventions aimed at reducing excessive working hours and fostering healthy lifestyle behaviors among individuals engaged in long working hours.

A Comprehensive Evaluation of Occupational Epidemiology in Western Iran: A Cohort Study in Ravansar Noncommunicable Diseases

OBJECTIVE

The present study aims to evaluate the prevalence of noncommunicable diseases (NCDs), biochemical and anthropometric indicators, and lifestyle among 10 occupational groups.

METHOD

The sample included 4818 men aged 35 to 65 years. The occupational group is based on the International Standard Classification of Occupations.

RESULT

The highest prevalence of cardiovascular diseases and type 2 diabetes mellitus was observed in managerial occupational groups (18.62%) and technicians and associate professionals ( 14 %), respectively. Musculoskeletal disorders were more in skilled agricultural, forestry, and fishery workers, as well as craft-related trades workers, and elementary occupations. The highest body mass index was related to the managers.

CONCLUSIONS

Noncommunicable diseases were higher in managers, while musculoskeletal disorders belonged to farmers and workers. Finally, lifestyle modification can help reduce NCDs and improve biochemical markers by increasing physical activity.

Association between weekly working hours and risky alcohol use: A 12-year longitudinal, nationwide study from South Korea

We aimed to investigate the association between long working hours and onset of risky alcohol use. We included a nationally representative sample comprising 11,226 workers in South Korea (57,887 observations). The Alcohol Use Disorders Identification Test was used to assess risky alcohol use. Fixed effect regressions were employed to estimate odds ratios (ORs) and 95% confidence intervals (CIs). Adjusted ORs (95% CIs) of risky alcohol use were 1.08 (0.95-1.22) for 41-48 h/week, 1.12 (0.96-1.31) for 49-54 h/week, and 1.40 (1.21-1.63) for ≥55 h/week, compared with standard working hours (35-40 h/week). ORs (95% CIs) of the association between working ≥55 h/week and risky alcohol use was 1.39 (1.17-1.65) for men and 1.34 (0.98-1.82) for women. Yearly cumulative exposure to long working hours (>40 h/week) is positively associated with risky alcohol use in a dose-dependent manner. For instance, exposure to long working hours for ≥3 years was associated with an increased likelihood of risky alcohol use (OR [95% CI]: 2.20 [1.78-2.72]). Sex-stratified analyses showed that long work hours are associated with risky alcohol use in both male and female workers. Appropriate work-hour policy is needed to prevent workers from risky alcohol use.

Working hours and the onset of suicidal ideation and depressive symptoms: A 10-year nationwide longitudinal study in South Korea (2012-2022)

Long working hours are associated with adverse health outcomes. We investigated the association between working hours and suicidal ideation and depressive symptoms. We analyzed a nationally representative sample of 11,116 Korean workers, comprising 64,661 observations from 2012 to 2022, to investigate how working hours were associated with mental health problems. To account for repeated measurements in each participant, we employed a generalized estimating equation to estimate risk ratios (RRs) and 95% confidence intervals (CIs). Of the total observations, 13.1% reported working ≥55 h/week. The RR (95% CI) of the association between long working hours and onset of suicidal ideation in the subsequent year was 1.20 (0.95-1.53) for 41-48 h, 1.35 (1.02-1.78) for 49-54 h, and 1.56 (1.23-1.98) for ≥55 h/week, compared to 35-40 h/week. The RR (95% CI) of the association between long working hours and onset of depressive symptoms in the subsequent year was 1.19 (1.07-1.34) for 41-48 h, 1.11 (0.97-1.28) for 49-54 h, and 1.24 (1.10-1.40) for ≥55 h per week, compared to 35-40 h/week. Those working fewer than 35 h/week also had an increased risk of suicidal ideation and depressive symptoms. Policy interventions are needed to reduce excess working hours and protect workers' mental health.

The association between workload, alcohol use, and alcohol misuse among psychiatrists in China

Aim

Survey alcohol use and workload among Chinese psychiatrists and explore their associations.

Methods

We conducted an online questionnaire among psychiatrists working in large psychiatric institutions across the country. We collected data including demographic factors, alcohol use, and workload. Alcohol use was assessed using the Alcohol Use Disorder Identification Test-Consumption (AUDIT-C), and workload-related questions included working hours, night shifts, and caseloads.

Results

In total, 3,549 psychiatrists completed the survey. Nearly half (47.6%) reported alcohol use, and the percentage of alcohol use in males (74.1%) was significantly higher than in females. 8.1% exceeded the AUDIT-C cutoff scores for probable alcohol misuse (19.6%in males and 2.6%in females). AUDIT-C scores were significantly correlated with working hours per week (p = 0.017) and the number of outpatient visits per week (p = 0.006). Regressional analysis showed that alcohol use was significantly associated with the following factors: longer working hours (Working more than 44 h/week, OR = 1.315), having an administrative position (OR = 1.352), being male (OR = 6.856), being single (OR = 1.601), being divorced or widowed (OR = 1.888), smoking (OR = 2.219), working in the West (OR = 1.511) or the Northeast (OR = 2.440). Regressional analysis showed that alcohol misuse was significantly associated with the following factors: fewer night shifts (Three to four night shifts/month, OR = 1.460; No more than 2 night shifts/month, OR = 1.864), being male (OR = 4.007), working in the Northeast (OR = 1.683), smoking (OR = 2.219), frequent insomnia (OR = 1.678).

Conclusion

Nearly half of the psychiatrists in China reported alcohol use and 8.1% had probable AUD. Alcohol consumption is significantly associated with several workload-related factors, such as long working hours, heavy caseload, and administrative duties. Alcohol misuse was inversely associated with the number of night shifts per month. While the direction of causality is unclear, our findings may help identify vulnerable professional groups and develop more targeted interventions to improve healthcare professionals' well-being.

Fatalities Involving Substance Use Among US Oil and Gas Extraction Workers Identified Through an Industry Specific Surveillance System (2014-2019)

OBJECTIVE

Characteristics of oil and gas extraction (OGE) work, including long hours, shiftwork, fatigue, physically demanding work, and job insecurity are risk factors for substance use among workers. Limited information exists examining worker fatalities involving substance use among OGE workers.

METHODS

The National Institute for Occupational Safety and Health's Fatalities in Oil and Gas Extraction database was screened for fatalities involving substance use from 2014 through 2019.

RESULTS

Twenty-six worker deaths were identified as involving substance use. Methamphetamine or amphetamine was the most common substances (61.5%) identified. Other contributing factors were lack of seatbelt use (85.7%), working in high temperatures (19.2%), and workers' first day with the company (11.5%).

CONCLUSIONS

Employer recommendations to mitigate substance use-related risks in OGE workers include training, medical screening, drug testing, and workplace supported recovery programs.

Association between long working hours and physical inactivity in middle-aged and older adults: a Korean longitudinal study (2006-2020)

BACKGROUND

We investigated associations for long working hours in relation to physical inactivity and high-level physical activity among middle-aged and older adults.

METHODS

Our study included 5402 participants and 21 595 observations from the Korean Longitudinal Study of Ageing (2006-2020). Logistic mixed models were used to estimate ORs and 95% CIs. Physical inactivity was defined as not engaging in any type of physical activity, while high-level physical activity was defined as engaging in ≥150 min per week of physical activity.

RESULTS

Working >40 hours weekly was positively related to physical inactivity (OR (95% CI) 1.48 (1.35 to 1.61)) and negatively related to high-level physical activity (0.72 (95% CI 0.65 to 0.79)). Exposure to long working hours consecutively for ≥3 waves was associated with the highest OR for physical inactivity (1.62 (95% CI 1.42 to 1.85)) and the lowest OR for high-level physical activity (0.71 (95% CI 0.62 to 0.82)). Furthermore, compared with persistent short working hours (≤40 hours → ≤40 hours), long working hours in a previous wave (>40 hours → ≤40 hours) were associated with a higher OR of physical inactivity (1.28 (95% CI 1.11 to 1.49)). Exposure to an increase in working hours (≤40 hours → >40 hours) was also associated with a higher OR of physical inactivity (1.53 (95% CI 1.29 to 1.82)).

CONCLUSION

We found that having working long hours was associated with a higher risk of physical inactivity and a lower likelihood of high-level physical activity. Moreover, accumulation of long working hours was associated with a higher risk of physical inactivity.

The Influence of the COVID-19 Pandemic Emergency on Alcohol Use: A Focus on a Cohort of Sicilian Workers

The period between the beginning and the end of the COVID-19 pandemic emergency generated a general state of stress, affecting both the mental state and physical well-being of the general population. Stress is the body's reaction to events or stimuli perceived as potentially harmful or distressing. Particularly when prolonged over time, it can promote the consumption of different psychotropic substances such as alcohol, and thus the genesis of various pathologies. Therefore, our research aimed to evaluate the differences in alcohol consumption in a cohort of 640 video workers who carried out activities in smart working, subjects particularly exposed to stressful situations due to the stringent rules of protection and prevention implemented during the pandemic. Furthermore, based on the results obtained from the administration of the AUDIT-C, we wanted to analyse the different modes of alcohol consumption (low, moderate, high, severe) to understand whether there is a difference in the amount of alcohol consumed that could predispose individuals to health problems. To this end, we administered the AUDIT-C questionnaire in two periods (T₀ and T₁), coinciding with annual occupational health specialist visits. The results of the present research showed an increase in the number of subjects consuming alcohol (p = 0.0005) and in their AUDIT-C scores (p < 0.0001) over the period considered. A significant decrease in subgroups who drink in a low-risk (p = 0.0049) mode and an increase in those with high (p = 0.00012) and severe risk (p = 0.0002) were also detected. In addition, comparing the male and female populations, it emerged that males have drinking patterns that lead to a higher (p = 0.0067) health risk of experiencing alcohol-related diseases than female drinking patterns. Although this study provides further evidence of the negative impact of the stress generated by the pandemic emergency on alcohol consumption, the influence of many other factors cannot be ruled out. Further research is needed to better understand the relationship between the pandemic and alcohol consumption, including the underlying factors and mechanisms driving changes in drinking behaviour, as well as potential interventions and support strategies to address alcohol-related harm during and after the pandemic.

Longer working hours and musculoskeletal pain: a meta-analysis

Objectives. Musculoskeletal pain is the most common health problem in the workplace, and one of the most important risk factors for this pain is longer working hours. This study aimed to investigate the association between long working hours and musculoskeletal pain. Methods. Based on the keywords, two scientific sources - PubMed and Embase - were reviewed. The time limit search included articles that were published until May 2020 and only studies published in English were eligible. The results of the studies were combined based on random effects and pooled odds ratio (OR) reported. The degree of heterogeneity in all analyses was investigated and reported based on χ² and I² tests. Publishing bias was also measured using statistical tests. Results. Longer working hours are associated with increased musculoskeletal pain with OR = 1.11 and 95% confidence interval (CI) [1.08, 1.14]. The result was OR = 1.52 and 95% CI [1.14, 2.03] in men and OR = 1.11 and 95% CI [1.00, 1.24] in women. Conclusion. Long working hours are an important and threatening factor for musculoskeletal health. Therefore, this issue should be considered in health policy as well as treatment and prevention.

The association between long working hours and obstructive sleep apnea assessed by STOP-BANG score: a cross-sectional study

PURPOSE

The relationship between night-shift work and obstructive sleep apnea (OSA) is well known, but that between OSA and long working hours is still unknown. This study explores the association between long working hours and OSA.

METHODS

Using cross-sectional Korean National Health and Nutrition Examination Survey 2020 data, we made multiple logistic regression models to calculate odds ratios (ORs) between weekly working hours and STOP-BANG scores for OSA screening. Stratified regression models by night or rotating shift work were also made.

RESULTS

In an adjusted model of STOP-BANG high-risk versus low-risk groups, the OR in the group exceeding 40 h/wk was higher but not statistically significant, 1.19 [95% confidence interval (CI) 0.66-2.15] compared to the group working 40 h/wk (standard working hours) or less. In the group exceeding 52 h/wk, the OR was 2.03 with statistical significance (95% CI 1.08-3.80). In the stratification analysis of daytime and night-shift work, the daytime worker results were similar to those in the non-stratified model. The point estimation values of ORs in the night-shift workers were higher than in the daytime workers; however, we did not observe a statistical significance.

CONCLUSION

Long working hours can increase the risk of OSA assessed by STOP-BANG scores.

Escape or activate? Pathways of work stress on substance use

BACKGROUND

Research on the spillover effects of work stress on substance use have mainly focused on the concept of escapist substance.

OBJECTIVE

Building on the concept of self-endangering work behavior, we expand this stress-theoretic view with a presenteeism path of work-induced substance use. Contrary to emotion-based disengaging coping strategies associated with escapist use, we argue that high job demands may also promote problem-focused engagement coping, where substances are used for activation.

METHODS

A structural equation model was used to analyze both assumed pathways of stress-induced substance use with survey data from a random sample of n = 411 employees.

RESULTS

We confirmed that high job demands are directly related to escapist substance use, but indirectly related to activating substance use, mediated by presenteeism behavior. Both types of substance use are reduced in organizations with high psychosocial safety climate, but increase with higher competitive climate. Social support is related to reduced activating substance use. Males show a stronger tendency for the escapist path, whereas the presenteeism path is more prevalent in women.

CONCLUSION

Work stress may not only induce substance use as a disengaging emotional coping strategy, but also as an active problem-focused coping strategy, where employees engage in substance use to continue their efforts necessary for work-related goal attainment. A psychosocial safety climate may provide opportunities for intervening on the "cause of causes" of substance use. Moreover, due to the higher prevalence for activating substance use in female workers, previous research may have underestimated women's risks for work-induced substance use.

[Indicators of spontaneous behavior of rhesus monkeys with short-term course alcohol self-administration under free choice]

OBJECTIVE

To analyze spontaneous behavior in 36 male rhesus macaques during formation of alcoholic motivation under free choice.

MATERIAL AND METHODS

The model composed the initiation stage with the provision of an aqueous ethanol solution of increasing concentration from 1 to 4% with a sweetener and restricted access to the tap water supply and the subsequent stage of the formation of alcoholic motivation with a free choice between 4% ethanol solution without sweetener and water. The behavior was recorded by the «One-Zero» method with ethogram compiled in accordance with the behavioral peculiarities of rhesus monkeys when housed individually. Three subgroups of high, medium and low-level ethanol consumption were distinguished.

RESULTS

In the subgroup of high ethanol consumption median consumption was 1.70 g/kg/day at initiation (p<0.05, compared to other subgroups) and 1.79 g/kg/day (p<0.05) at free choice stage. Animals of high consumption subgroup had significantly higher frequency being at the cage bottom and in a sitting posture. We observed significant changes in a number of indicators of spontaneous behavior depending on the level of ethanol consumption, which included displacement behavior, stereotypic behavior and posture of animals. In the high consumption subgroup, there was a significant increase in the frequency of stereotypic behavior, atypical behavior, being on four legs, as well as a decrease in the frequency of being at the back side of the cage and of displacement behavior. At the same time, the inhibitory effect of ethanol on the hypothalamic-pituitary-adrenal system was revealed.

CONCLUSION

In the model of free choice alcohol self-administration rhesus monkeys demonstrate a significant change in a number of indicators of spontaneous behavior depending on the level of ethanol consumption, which includes displacement, stereotypic behaviors and animal posture.

The multiple roles of life stress in metabolic disorders

The activation of stress-related neuroendocrine systems helps to maintain homeostasis, but excessive stress can damage body functions. We review current evidence from basic sciences and epidemiology linking stress to the development and progression of metabolic disorders throughout life. Findings from rodents demonstrate that stress can affect features of metabolic dysfunction, such as insulin resistance, glucose and lipid homeostasis, as well as ageing processes such as cellular senescence and telomere length shortening. In human studies, stressors in the home, workplace and neighbourhood are associated with accelerated ageing and metabolic and immune alterations, both directly and indirectly via behavioural risks. The likelihood of developing clinical conditions, such as diabetes mellitus and hepatic steatosis is increased in individuals with adverse childhood experiences or long-term (years) or severe stress at work or in private life. The increased risk of metabolic disorders is often associated with other stress-related conditions, such as mental health disorders, cardiovascular disease and increased susceptibility to infections. Equally, stress can worsen prognosis in metabolic diseases. As favourable modifications in stressors are associated with reductions in incidence of metabolic disorders, further investigation of the therapeutic value of targeting stress in personalized medicine is warranted.

Association of short poor work ability measure with increased mortality risk: a prospective multicohort study

OBJECTIVES

To examine whether a single-item measure of self-rated work ability predicts all-cause mortality in three large population-based samples collected in 1978-1980, 2000 and 2017.

SETTING

A representative sample of the population of Finland.

PARTICIPANTS

The study population comprised 17 178 participants aged 18 to 65 from the population-based Mini-Finland, Health 2000 and FinHealth 2017 cohort studies, pooled together. In all cohorts, self-rated work ability was assessed at baseline (1978-80, 2000-2001 and 2017) using three response alternatives: completely fit (good work ability), partially disabled (limited work ability) and completely disabled (poor work ability) for work.

PRIMARY AND SECONDARY OUTCOME MEASURES

All-cause mortality from national registers. Cox proportional hazards models were adjusted for socioeconomic characteristics, lifestyle factors, self-rated health and mental health problems.

RESULTS

Of the participants, 2219 (13%) were classified as having limited and 991 (5.8%) poor work ability and 246 individuals died during the 4 year follow-up. The age- and sex-adjusted HR for mortality risk was 7.20 (95% CI 5.15 to 10.08) for participants with poor vs good work ability and 3.22 (95% CI 2.30 to 4.43) for participants with limited vs good work ability. The excess risk associated with poor work ability was seen in both genders, all age groups, across different educational levels, self-rated health levels and in those with and without mental health problems. The associations were robust to further adjustment for education, health behaviours, self-rated health and mental health problems. In the multivariable analyses, the HR for mortality among those with poor vs good work ability was 5.75 (95% CI 3.59 to 9.20).

CONCLUSIONS

One-item poor self-rated work ability -measure is a strong predictor of increased risk of all-cause mortality and may be a useful survey-measure in predicting severe health outcomes in community-based surveys.

Alcohol Consumption in the Workplace: A Comparison between European Union Countries' Policies

BACKGROUND

Alcohol use is an ever-growing phenomenon in the population, consumption data indicate that 5-20% of the European working population have serious problems related to alcohol. The use of alcohol constitutes a risk to the health and safety of workers as well as to the safety of the general population. The present work aims to address the problem of alcohol intake in occupational settings by comparatively analyzing alcohol consumption behavior within the 27 countries of the European Union.

METHODS

The purpose of this research is to analyze the differences between the 27 countries of the European Union in the application of measures to assess and manage the risk of alcohol intake in occupational settings.

RESULTS

An examination of the legislation and guidelines of the different countries reveals profound differences in the management of the problem of alcohol in the workplace. The discrepancy is very wide that it ranges from the complete absence of legislative restrictions on a national level in some countries to highly restrictive measures with severe sanctions in others.

CONCLUSIONS

It would be appropriate-also for the purpose of ease of movement of workers within the European Community-to find shared management models useful for protecting the health and safety of workers and the general population.

Are workplace factors associated with employee alcohol use? The WIRUS cross-sectional study

OBJECTIVES

Sociodemographic predictors of employee alcohol use are well established in the literature, but knowledge about associations between workplace factors and alcohol use is less explored. The aim of this study was to explore whether workplace factors were associated with employee alcohol use (consumption and alcohol-related problems).

DESIGN

Cross-sectional study. Linear and binary logistic regression analyses.

SETTING

Heterogeneous sample of employees (workers and supervisors) from 22 companies across geographical locations and work divisions in Norway.

PARTICIPANTS

Employees (N=5388) responded on survey items measuring workplace factors and alcohol use.

OUTCOMES

Data on alcohol use were collected with the Alcohol Use Disorders Identification Test (AUDIT). Consumption was measured with the AUDIT-C (the first three items), and alcohol-related problems were operationalised as a sum score of 8 or higher on the full 10-item AUDIT.

RESULTS

Higher levels of alcohol consumption were associated with more liberal workplace drinking social norms (b=1.37, p<0.001), working full-time (b=0.18, p<0.001), working from holiday home (b=0.40, p<0.01), being a supervisor (b=0.25, p<0.001), having supervisors with less desired leadership qualities (b=-0.10, p<0.01), shorter working hours (b=-0.03, p<0.05), higher workplace social support (b=0.13, p<0.05) and higher income (b=0.02, p<0.001). Alcohol-related problems were associated with more liberal workplace drinking social norms (OR=3.52, p<0.001) and shorter working hours (OR=0.94, p<0.05).

CONCLUSIONS

Workplace drinking social norms were the supremely most dominant predictor of both consumption and alcohol-related problems. Results suggest that some workplace factors may play a role in explaining employee alcohol consumption, although the predictive ability of these factors was limited. This study points to the importance of drinking social norms, workplace drinking culture and leadership for understanding employee alcohol use.

Working from home, work-time control and mental health: Results from the Brazilian longitudinal study of adult health (ELSA-Brasil)

This cross-sectional study investigated the association between work-time control (WTC), independently and in combination with hours worked (HW), and four mental health outcomes among 2,318 participants of the Longitudinal Study of Adult Health (ELSA-Brasil) who worked from home during the COVID-19 pandemic. WTC was assessed by the WTC Scale, and mental health outcomes included depression, anxiety, stress (measured by the Depression, Anxiety and Stress Scale, DASS-21), and self-rated mental health. Logistic regression models were used to determine odds ratios (ORs) and 95% confidence intervals (CIs). Among women, long HW were associated with stress (OR = 1.56; 95% CI = 1.11–2.20) and poor self-rated mental health (OR = 1.64; 95% CI = 1.13–2.38), whereas they were protective against anxiety among men (OR = 0.59; 95% CI = 0.37–0.93). In both sexes, weak WTC was associated with all mental health outcomes. Among women, the long HW/weak WTC combination was associated with all mental health outcomes, and short HW/weak WTC was associated with anxiety and stress. Among men, long HW/strong WTC was protective against depression and stress, while short HW/strong WTC and short HW/weak WTC was associated with all mental health outcomes. In both sexes, weak WTC, independently and in combination with HW, was associated with all mental health outcomes. WTC can improve working conditions, protect against mental distress, and fosterwork-life balance for those who work from home.

Essential and non-essential US workers' health behaviors during the COVID-19 pandemic

We seek to quantify the relationship between health behaviors and work-related experiences during the COVID-19 pandemic by predicting health behaviors as a function of essential worker status, job loss, change in work hours, and COVID-19 experiences. We use multivariate models and survey data from 913 employed adults in a semi-rural mid-Atlantic US county, and test whether essential worker results vary by gender, parenthood, and/or university employment. Multivariate models indicate that essential workers used tobacco on more days (4.5; p <.01) and were less likely to sleep 8 h (odds ratio [OR] 0.6; p <.01) than non-essential workers. The risk of sleeping less than 8 h is concentrated among essential workers in the service industry (OR 0.5; p <.05) and non-parents (OR 0.5; p <.05). Feminine essential workers exercised on fewer days (-0.8; p <.05) than feminine non-essential workers. Workers with reduced work hours consumed more alcoholic drinks (0.3; p <.05), while workers with increased work hours consumed alcohol (0.3; p <.05) and exercised (0.6; p <.05) on more days. Essential worker status and changes in work hours are correlated with unhealthy behaviors during the COVID-19 pandemic.

Atypical working hours are associated with tobacco, cannabis and alcohol use: longitudinal analyses from the CONSTANCES cohort

BACKGROUND

This study examined prospective associations between atypical working hours with subsequent tobacco, cannabis and alcohol use as well as sugar and fat consumption.

METHODS

In the French population-based CONSTANCES cohort, 47,288 men and 53,324 women currently employed included between 2012 and 2017 were annually followed for tobacco and cannabis use. Among them, 35,647 men and 39,767 women included between 2012 and 2016 were also followed for alcohol and sugar and fat consumption. Three indicators of atypical working hours were self-reported at baseline: working at night, weekend work and non-fixed working hours. Generalized linear models computed odds of substance use and sugar and fat consumption at follow-up according to atypical working hours at baseline while adjusting for sociodemographic factors, depression and baseline substance use when appropriate.

RESULTS

Working at night was associated with decreased smoking cessation and increased relapse in women [odds ratios (ORs) of 0.81 and 1.25], increased cannabis use in men [ORs from 1.46 to 1.54] and increased alcohol use [ORs from 1.12 to 1.14] in both men and women. Weekend work was associated with decreased smoking cessation in women [ORs from 0.89 to 0.90] and increased alcohol use in both men and women [ORs from 1.09 to 1.14]. Non-fixed hours were associated with decreased smoking cessation in women and increased relapse in men [ORs of 0.89 and 1.13] and increased alcohol use in both men and women [ORs from 1.12 to 1.19]. Overall, atypical working hours were associated with decreased sugar and fat consumption.

CONCLUSIONS

The potential role of atypical working hours on substance use should be considered by public health policy makers and clinicians in information and prevention strategies.

Risk Factors for Problematic Drinking in One's Thirties and Forties: A Longitudinal Analysis of the 1970 British Cohort Study

Alcohol drinking and risk factors for problematic drinking may vary across a lifespan. The objective of this study was to identify risk factors for problematic drinking in men and women in their thirties and forties. Alcohol drinking and potential risk factors for problematic drinking were assessed at ages 30, 34, 42, and 46 in the 1970 British Cohort Study. Multilevel models included 10,079 observations in 3880 men and 9241 observations in 3716 women. In men, formerly smoking, currently smoking, having a degree, having malaise, and having a mother who drank while pregnant were independently associated with increased risk of problematic drinking. In women, formerly smoking, currently smoking, being physically active in one's leisure time, having a degree, having a managerial or professional occupation, having malaise, and having a mother who drank while pregnant were independently associated with increased risk of problematic drinking. In men and women, cohabiting as a couple was associated with decreased risk of problematic drinking. This study suggests that several risk factors may be associated with problematic drinking in men and women in their thirties and forties. Policy makers should consider the role of modifiable risk factors in the prevention of problematic drinking.

Correlates of high phosphatidylethanol (PEth) levels and their concordance with self-reported heavy alcohol consumption among men who have sex with men who binge drink alcohol

BACKGROUND

Heavy alcohol use, including binge drinking, is associated with high morbidity and mortality among men who have sex with men (MSM). Self-reported alcohol measures may lead to inaccurate estimates due to recall and social desirability biases. Objective alcohol biomarkers like phosphatidylethanol (PEth) can be used to corroborate self-report and could help to inform treatment approaches and research strategies for alcohol using MSM.

METHODS

From 2015 to 2020, alcohol using MSM ≥18 years were enrolled in a randomized controlled trial evaluating the efficacy of naltrexone in reducing binge drinking. Using this trial's baseline data, we applied multivariable logistic regression to identify the correlates of high PEth levels (i.e., ≥87 ng/ml) and concordance between PEth levels and self-reported heavy drinking.

RESULTS

Of 118 MSM, 64% had PEth levels ≥87 ng/ml and 72% had PEth levels that were concordant with self-reported heavy alcohol use. Factors significantly associated in separate models with elevated PEth levels were income ≥$60,000 (adjusted odds ratio [aOR] = 4.09; 95% CI = 1.13 to 14.82), being employed (aOR = 4.04; 95% CI = 1.45 to 11.32), episodic cannabis use (aOR = 4.63; 95% CI = 1.27 to 16.92), and any alcohol/substance use prior to or during anal intercourse (aOR = 2.52; 95% CI = 1.08 to 5.90). Living with HIV was associated with significantly lower odds of elevated PEth levels (aOR = 0.23; 95% CI = 0.09 to 0.61). Factors associated with significantly higher concordance between PEth levels and self-reported heavy alcohol use included at least weekly use of poppers (aOR = 6.41; 95% CI = 1.27 to 32.28) and polysubstance use (aOR = 2.53; 95% CI = 1.02 to 6.27). Living with HIV was associated with lower odds of concordance (aOR = 0.36; 95% CI = 0.14 to 0.97).

CONCLUSIONS

PEth may enhance the detection of heavy drinking among MSM, including the identification of subpopulations that may benefit from targeted alcohol reduction interventions. However, PEth values for MSM living with HIV showed modest concordance with self-reported alcohol use and may need to be supplemented with additional biomarkers or evaluated against a different cutoff.

Working for Long Hours Is Associated With Dietary Fiber Insufficiency

It has been suggested that long working hours are associated with various diseases through dietary patterns. However, few studies have reported the association between working hours and dietary habits. Thus, the objective of this cross-sectional study was to explore the difference in dietary fiber intake by working hours. Data of a total of 10,760 workers in South Korea who participated in the Korea National Health and Nutrition Survey (KNHANES), a nation-wide survey, were analyzed to determine different distributions of dietary fiber insufficiency using multiple logistic regression models. Fiber insufficiency proportion was different from working hour groups. 70.1% of the total population eat fiber insufficiently. Working &lt;40 h group showed 66.8% of fiber insufficiency. But working more than 52 h group marked 73.2% of fiber insufficiency. Logistic regression analysis of 10,760 nation-wide study participants revealed that working for 41–52 h a week (OR: 1.32, 95% CI: 1.18–1.47) and working for over 52 h a week (OR: 1.42, 95% CI: 1.25–1.62) were significantly associated with insufficient fiber intake compared to workers with standard working hours (30–40 h a week). These associations were still robust in an adjusted model, with working for 41–52 h a week (OR: 1.13, 95% CI: 1.01–1.27) and working for over 52 h (OR: 1.26, 95% CI: 1.09–1.45) showing high associations with dietary fiber insufficiency. Those with long working hours tend to have insufficient intake of dietary fiber. To promote desirable dietary habits, intervention programs on working conditions should be considered.

Long Working Hours and Risk of Depression by Household Income Level: Findings From the Korea National Health and Nutrition Examination Survey (KNHANES)

OBJECTIVES

To investigate the relationship between working hours and the risk of depression according to household income level.

METHODS

We used the data from the Korea National Health and Nutrition Examination Survey. The information on working hours was obtained from the questionnaire, and depression was assessed by The Patient Health Questionnaire-9. After stratifying by household income level, the risk of depression for long working hour group (more than or equal to 52 hours a week), compared with the 30 to 51 working hour group as a reference, were calculated using multiple logistic regression.

RESULTS

It was found that long working hours associated with high risk for depression in the group with the highest income, but not in the group with the lowest income.

CONCLUSIONS

The relationship between long working hours and the risk of depression varied by household income level.

Job Satisfaction and Alcohol Consumption: Empirical Evidence from China

Despite growing attention to job satisfaction as a social determinant of alcohol-related behaviors, few studies focus on its diverse impacts on alcohol consumption. Using data from the China Family Panel Study in 2018, this study uses logistic regression analysis to examine how job satisfaction affects alcohol consumption in China, finding that people who were satisfied with their jobs were more likely to be regularly drinking. Employed people who were satisfied with their working environment and working hours were more likely to regularly drink, but those who were satisfied with their wages and working security were less likely to be regularly drinking. Findings suggest that the link between job satisfaction and alcohol consumption is dynamic. Employment policies, working wellbeing improvement programs, and alcohol policy improvement should, therefore, be designed on the basis of a comprehensive account of entire job-related attitudes.

Poor worker’s long working hours paradox: evidence from the Korea National Health and Nutrition Examination Survey, 2013-2018

Background

Because income and working hours are closely related, the health impact of working hours can vary according to economic status. This study aimed to investigate the relationship between working hours and the risk of poor self-rated health according to household income level.

Methods

We used the data from the Korea National Health and Nutrition Examination Survey VI and VII. The information on working hours and self-rated health was obtained from the questionnaire. After stratifying by household income level, the risk of poor self-rated health for long working hour group (≥ 52 hours a week), compared to the 35–51 working hour group as a reference, were calculated using multiple logistic regression.

Results

Long working hours increased the risk of poor self-rated health in the group with the highest income, but not in the group with the lowest income. On the other hand, the overall weighted prevalence of poor self-rated health was higher in the low-income group.

Conclusions

The relationship between long working hours and the risk of poor self-rated health varied by household income level. This phenomenon, in which the health effects of long working hours appear to diminish in low-income households can be referred to as the ‘poor worker’s long working hours paradox’. Our findings suggest that the recent working hour restriction policy implemented by the Korean government should be promoted, together with a basic wage preservation to improve workers’ general health and well-being.

Occupational factors associated with long-term abstinence among persons treated for alcohol dependence: A follow-up study

Background

Several studies have examined the occupational factors associated with alcohol use and dependence. However, there are very few studies that investigated the role of occupational factors associated with long-term abstinence among persons treated for alcohol dependence in India.

Aim

To examine the occupational factors associated with long-term abstinence among persons treated for alcohol dependence.

Methods

Sixty in-patients treated for alcohol dependence were selected using inclusion criteria from the Government-run de-addiction center, tertiary care teaching hospital, Bangalore. All patients were followed up periodically for 1 year. The semi-structured interview schedule was used for collecting data on occupational factors associated with long-term abstinence. Descriptive statistics, Chi-square test, and Fisher exact test were used for data analysis.

Results

There was a positive trend showing self-employed (pf = 1.74, P = 0.45), having skilled work (pf = 1.52, P = 0.72), regular pattern of employment (pf = 1.21, P =.60), monthly mode of income (pf = 1.43, P =.76) were factors associated with abstinence. Among eight occupational variables, employment status (x ² = 4.0, P =.04) and having well-defined working hours ((pf = 6.18, P =.04) were significantly associated with long-term abstinence among persons treated for alcohol dependence.

Conclusion

Occupational factors seem to influence the outcome in alcohol dependence and appropriate vocational interventions would be effective in promoting long-term abstinence.

Factors associated with psychoactive substance use among professional truck drivers

ABSTRACT Objectives: to identify factors associated with the use of psychoactive substances among professional truck drivers. Methods: cross-sectional study that investigated the use of at least one psychoactive substance and its association with sociodemographic, occupational, and health characteristics in 354 professional truck drivers. Researchers collected data through face-to-face interviews using forms. Multiple regression analyzes estimated prevalence ratios (PR) and respective 95% confidence intervals (95%CI). Results: lower family income (PR: 2.03; 95%CI: 1.08-3.83), symptoms of insomnia (PR: 2.18, 95%CI: 1.46-3.26), and long working hours (PR: 1.95, 95%CI: 1.30-2.92) independently associated with the use of at least one psychoactive substance. Conclusions: a set of sociodemographic, occupational, and health variables acts at distinct levels and is independently associated with the use of psychoactive substances among professional truck drivers.

Factors associated with alcohol abuse in nursing professionals in São Paulo State, Brazil

Abstract Objective: to identify factors associated with alcohol abuse in nursing professionals in São Paulo State. Methods: this is a case-control nested in a cross-sectional study. We collected data on demographic characteristics, lifestyle, work ability, occupational features, physical and psychosocial work environment, and alcohol abuse (CAGE Questionnaire). Multiple logistic regression analyses were performed. Results: the study involved 119 participants in the case group and 356 in the control group. After age adjustment, alcohol abuse was associated with male sex (OR: 3.39; 95%CI: 1.96;5.85), current or former smoking (OR: 2.11; 95%CI: 1.32;3.38), and poor sleep quality (OR: 1.91; 95%CI: 1.12;3.25); and negatively associated with ≥50 weekly working hours (OR: 0.54;95%CI: 0.32;0.92) and a monthly family income ≥6.1 minimum wages(OR: 0.37; 95%CI: 0.20;0.67). Conclusions: working hours and individual characteristics were associated with alcohol abuse. Workplaces should implement programs to prevent and treat alcohol abuse in nursing professionals to reduce workers’ and patients’ alcohol-related harms.

Fatores associados ao consumo abusivo de álcool em profissionais de enfermagem no estado de São Paulo, Brasil

Resumo Objetivo: identificar fatores associados ao consumo abusivo de álcool entre profissionais de Enfermagem no estado de São Paulo. Métodos: trata-se de um estudo caso-controle aninhado a um transversal. Foram coletados dados sobre características demográficas, do estilo de vida, capacidade para o trabalho, aspectos ocupacionais, do ambiente de trabalho físico e psicossocial e de consumo abusivo de álcool (questionário CAGE). Foi realizada análise de regressão logística múltipla. Resultados: o estudo envolveu 119 casos e 356 controles. Após ajuste por idade, o consumo abusivo de álcool foi associado ao sexo masculino (OR: 3,39; IC95%:1,96;5,85), tabagismo atual ou pregresso (OR: 2,11; IC95%: 1,32;3,38) e à qualidade do sono ruim (OR: 1,91; IC95%:1,12;3,25); e negativamente associado a carga horária de trabalho semanal ≥50 horas (OR: 0,54; IC95%:0,32;0,92) e renda familiar mensal de ≥6,1 salários-mínimos (OR: 0,37; IC95%: 0,20;0,67). Conclusões: jornada de trabalho e características individuais estiveram associadas ao consumo abusivo de álcool. Programas de prevenção e tratamento do consumo abusivo de álcool em profissionais da Enfermagem deveriam ser implementados nos locais de trabalho, visando reduzir os danos causados pelo álcool para trabalhadores e pacientes.

Long working hours and risk of 50 health conditions and mortality outcomes: a multicohort study in four European countries

BACKGROUND

Studies on the association between long working hours and health have captured only a narrow range of outcomes (mainly cardiometabolic diseases and depression) and no outcome-wide studies on this topic are available. To achieve wider scope of potential harm, we examined long working hours as a risk factor for a wide range of disease and mortality endpoints.

METHODS

The data of this multicohort study were from two population cohorts from Finland (primary analysis, n=59 599) and nine cohorts (replication analysis, n=44 262) from Sweden, Denmark, and the UK, all part of the Individual-participant Meta-analysis in Working Populations (IPD-Work) consortium. Baseline-assessed long working hours (≥55 hours per week) were compared to standard working hours (35-40 h). Outcome measures with follow-up until age 65 years were 46 diseases that required hospital treatment or continuous pharmacotherapy, all-cause, and three cause-specific mortality endpoints, ascertained via linkage to national health and mortality registers.

FINDINGS

2747 (4·6%) participants in the primary cohorts and 3027 (6·8%) in the replication cohorts worked long hours. After adjustment for age, sex, and socioeconomic status, working long hours was associated with increased risk of cardiovascular death (hazard ratio 1·68; 95% confidence interval 1·08-2·61 in primary analysis and 1·52; 0·90-2·58 in replication analysis), infections (1·37; 1·13-1·67 and 1·45; 1·13-1·87), diabetes (1·18; 1·01-1·38 and 1·41; 0·98-2·02), injuries (1·22; 1·00-1·50 and 1·18; 0·98-1·18) and musculoskeletal disorders (1·15; 1·06-1·26 and 1·13; 1·00-1·27). Working long hours was not associated with all-cause mortality.

INTERPRETATION

Follow-up of 50 health outcomes in four European countries suggests that working long hours is associated with an elevated risk of early cardiovascular death and hospital-treated infections before age 65. Associations, albeit weak, were also observed with diabetes, musculoskeletal disorders and injuries. In these data working long hours was not related to elevated overall mortality.

FUNDING

NordForsk, the Medical Research Council, the National Institute on Aging, the Wellcome Trust, Academy of Finland, and Finnish Work Environment Fund.

On-Call Duties: The Perceived Impact on Veterinarians' Job Satisfaction, Well-Being and Personal Relationships

Objective: To assess the impact of on-call duties on veterinarians' job satisfaction, well-being and personal relationships.

Design: Cross-sectional survey.

Sample: The sample was obtained from Veterinary Information Network (VIN) members in private practice within the United States.

Procedures: A link to an anonymous online survey was distributed via an email invitation to all Veterinary Information Network (VIN) members with access from August 15, 2017 to October 21, 2017.

Results: A total of 1,945 responses were recorded. The majority of those who reported having on-call duties were female associates. Composite scales were created to assess the impact of on-call shifts on job satisfaction and well-being. Multiple linear regression was conducted and found that gender (p = 0.0311), associate status (p < 0.0001), and age (p = 0.0293) were all significantly associated with on-call related job satisfaction. Additionally, multiple linear regression found that gender (p = 0.0039), associate status (p < 0.0057), and age (p < 0.0001) were all significantly associated with on-call related well-being. On-call shifts were reported by many to have a negative impact on job satisfaction and well-being; this was especially pronounced for female associates. Females had on-call related job satisfaction scores that were, on average, 1.27 points lower than that of males (lower scores equates to lower job satisfaction). Further, females' average on-call related well-being scores were 1.15 points higher than that of males (lower scores equates to higher well-being).

Conclusions and Clinical Relevance: This study suggests that on-call shifts have a negative impact on veterinarian job satisfaction, well-being and personal relationships. The negative impact on job satisfaction and well-being is greatest for female associates. Veterinary medicine has been identified as a stressful occupation that can lead to psychological distress. It is therefore important to critically assess current practices that appear to increase stress and reduce emotional well-being. For this reason, it is suggested that veterinary hospitals explore alternative options to traditional on-call shifts.

Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study

Background

There is inconsistent evidence that long working hours and night work are risk factors for sickness absence, but few studies have considered variation in the length of exposure time window as a potential source of mixed findings. We examined whether the association of long working hours and night work with sickness absence is dependent on the length of exposure to the working hour characteristics.

Methods

We analysed records of working hours, night work and sickness absence for a cohort of 9226 employees in one hospital district in Finland between 2008 and 2019. The exposure time windows ranged from 10 to 180 days, and we used Cox’s proportional hazards models with time-dependent exposures to analyse the associations between working-hour characteristics and subsequent sickness absence.

Results

Longer working hours for a period of 10 to 30 days was not associated with the risk of sickness absence whereas longer working hours for a period of 40 to 180 days was associated with a lower risk of sickness absence. Irrespective of exposure time window, night work was not associated with sickness absence.

Conclusions

It is important to consider the length of exposure time window when examining associations between long working hours and sickness absence, whereas the association between night work and sickness absence is not similarly sensitive to exposure times.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12913-021-07231-4.

The effect of exposure to long working hours on depression: A systematic review and meta-analysis from the WHO/ILO Joint Estimates of the Work-related Burden of Disease and Injury

BACKGROUND

The World Health Organization (WHO) and the International Labour Organization (ILO) are developing the WHO/ILO Joint Estimates of the Work-related Burden of Disease and Injury (WHO/ILO Joint Estimates), supported by a large number of individual experts. Evidence from previous reviews suggests that exposure to long working hours may cause depression. In this article, we present a systematic review and meta-analysis of parameters for estimating (if feasible) the number of deaths and disability-adjusted life years from depression that are attributable to exposure to long working hours, for the development of the WHO/ILO Joint Estimates.

OBJECTIVES

We aimed to systematically review and meta-analyse estimates of the effect of exposure to long working hours (three categories: 41-48, 49-54 and ≥55 h/week), compared with exposure to standard working hours (35-40 h/week), on depression (three outcomes: prevalence, incidence and mortality).

DATA SOURCES

We developed and published a protocol, applying the Navigation Guide as an organizing systematic review framework where feasible. We searched electronic academic databases for potentially relevant records from published and unpublished studies, including the WHO International Clinical Trial Registers Platform, Medline, PubMed, EMBASE, Web of Science, CISDOC and PsycInfo. We also searched grey literature databases, Internet search engines and organizational websites; hand-searched reference lists of previous systematic reviews; and consulted additional experts.

STUDY ELIGIBILITY AND CRITERIA

We included working-age (≥15 years) workers in the formal and informal economy in any WHO and/or ILO Member State but excluded children (aged <15 years) and unpaid domestic workers. We included randomized controlled trials, cohort studies, case-control studies and other non-randomized intervention studies with an estimate of the effect of exposure to long working hours (41-48, 49-54 and ≥55 h/week), compared with exposure to standard working hours (35-40 h/week), on depression (prevalence, incidence and/or mortality).

STUDY APPRAISAL AND SYNTHESIS METHODS

At least two review authors independently screened titles and abstracts against the eligibility criteria at a first stage and full texts of potentially eligible records at a second stage, followed by extraction of data from qualifying studies. Missing data were requested from principal study authors. We combined odds ratios using random-effects meta-analysis. Two or more review authors assessed the risk of bias, quality of evidence and strength of evidence, using Navigation Guide and GRADE tools and approaches adapted to this project.

RESULTS

Twenty-two studies (all cohort studies) met the inclusion criteria, comprising a total of 109,906 participants (51,324 females) in 32 countries (as one study included multiple countries) in three WHO regions (Americas, Europe and Western Pacific). The exposure was measured using self-reports in all studies, and the outcome was assessed with a clinical diagnostic interview (four studies), interview questions about diagnosis and treatment of depression (three studies) or a validated self-administered rating scale (15 studies). The outcome was defined as incident depression in all 22 studies, with first time incident depression in 21 studies and recurrence of depression in one study. We did not identify any study on prevalence of depression or on mortality from depression. For the body of evidence for the outcome incident depression, we had serious concerns for risk of bias due to selection because of incomplete outcome data (most studies assessed depression only twice, at baseline and at a later follow-up measurement, and likely have missed cases of depression that occurred after baseline but were in remission at the time of the follow-up measurement) and due to missing information on life-time prevalence of depression before baseline measurement. Compared with working 35-40 h/week, we are uncertain about the effect on acquiring (or incidence of) depression of working 41-48 h/week (pooled odds ratio (OR) 1.05, 95% confidence interval (CI) 0.86 to 1.29, 8 studies, 49,392 participants, I² 46%, low quality of evidence); 49-54 h/week (OR 1.06, 95% CI 0.93 to 1.21, 8 studies, 49,392 participants, I² 40%, low quality of evidence); and ≥ 55 h/week (OR 1.08, 95% CI 0.94 to 1.24, 17 studies, 91,142 participants, I² 46%, low quality of evidence). Subgroup analyses found no evidence for statistically significant (P < 0.05) differences by WHO region, sex, age group and socioeconomic status. Sensitivity analyses found no statistically significant differences by outcome measurement (clinical diagnostic interview [gold standard] versus other measures) and risk of bias ("high"/"probably high" ratings in any domain versus "low"/"probably low" in all domains).

CONCLUSIONS

We judged the existing bodies of evidence from human data as "inadequate evidence for harmfulness" for all three exposure categories, 41-48, 48-54 and ≥55 h/week, for depression prevalence, incidence and mortality; the available evidence is insufficient to assess effects of the exposure. Producing estimates of the burden of depression attributable to exposure to long working appears not evidence-based at this point. Instead, studies examining the association between long working hours and risk of depression are needed that address the limitations of the current evidence.

Association Between Overtime-Working Environment and Psychological Distress Among Japanese Workers: A Multilevel Analysis

Supplemental Digital Content is available in the text

Objective:

The study aims to examine the association between overtime-working environment (OWE) and individual psychological distress among Japanese workers.

Methods:

Data of 7786 workers from 101 companies in Japan were analyzed. Psychological distress was assessed through a 29-item questionnaire. The OWE was evaluated by calculating the proportion of workers whose monthly overtime was 45 hours or more in a workplace. Multilevel logistic regression was used.

Results:

As 10% increase in the OWE was associated with a 16% higher risk of individual psychological distress after adjustment of individual covariates, including overtime working hours. Cross-level interaction showed that the risk was varied depending on individual overtime working hours.

Conclusions:

OWE was associated with the psychological distress of workers. It is necessary to create a non-OWE at workplaces to prevent psychological distress for workers.

Exploring the relationship between psychological distress and likelihood of help seeking in construction workers: The role of talking to workmates and knowing how to get help

BACKGROUND

Mental health problems are prevalent in male-dominated industries such as construction, where suicide rates are higher than the population average and help seeking is typically low.

OBJECTIVE

To examine psychological distress in Australian construction workers and its relationship with help seeking via two hypothesised mediators: confidence in knowing how to get help and confidence in talking to workmates about mental health issues.

METHODS

Workers (N = 511) completed a survey that assessed psychological distress, likelihood of help seeking, and confidence in knowing how to get help and talking to workmates. Bootstrapped multiple mediation analysis was performed using the PROCESS macro for SPSS.

RESULTS

Psychological distress was higher than national estimates and most prevalent in men aged 25-44. Controlling for age and ability to recognise personal signs of mental health problems, psychological distress negatively predicted likelihood of help seeking. This relationship was partially mediated by knowing how to get help and confidence in talking to workmates.

CONCLUSIONS

Results highlight the need to redress and mitigate mental health problems among high-risk groups of male workers. It provides useful guidance on multilevel workplace strategies to reduce stigma, enhance confidence and comfort in the process of seeking help and support in construction and other male-dominated industries.

Long Working Hours and Risk of Recurrent Coronary Events

BACKGROUND

Evidence from prospective studies has suggested that long working hours are associated with incident coronary heart disease (CHD) events. However, no previous study has examined whether long working hours are associated with an increased risk of recurrent CHD events among patients returning to work after a first myocardial infarction (MI).

OBJECTIVES

The purpose of this study was to examine the effect of long working hours on the risk of recurrent CHD events.

METHODS

This is a prospective cohort study of 967 men and women age 35 to 59 years who returned to work after a first MI. Patients were recruited from 30 hospitals across the province of Quebec, Canada. The mean follow-up duration was 5.9 years. Long working hours were assessed on average 6 weeks after their return to work. Incident CHD events (fatal or nonfatal MI and unstable angina) occurring during follow-up were determined using patients' medical files. Hazard ratios were estimated using Cox proportional hazard regression models. Splines and fractional polynomial regressions were used for flexible exposure and time modeling.

RESULTS

Recurrent CHD events occurred among 205 patients. Participants working long hours (≥55 h/week) had a higher risk of recurrent CHD events after controlling for sociodemographics, lifestyle-related risk factors, clinical risk factors, work environment factors, and personality factors (hazard ratio vs. 35 to 40 h/week: 1.67; 95% confidence interval: 1.10 to 2.53). These results showed a linear risk increase after 40 h/week and a stronger effect after the first 4 years of follow-up and when long working hours are combined with job strain.

CONCLUSIONS

Among patients returning to work after a first MI, longer working hours per week is associated with an increased risk of recurrent CHD events. Secondary prevention interventions aiming to reduce the number of working hours among these patients may lower the risk of CHD recurrence.

Associations between occupation and heavy alcohol consumption in UK adults aged 40-69 years: a cross-sectional study using the UK Biobank

BACKGROUND

Understanding the relationship between occupation and alcohol use offers opportunities to provide health promotion programmes based on evidence of need. We aimed to determine associations between occupation and heavy alcohol consumption in working individuals aged 40-69 years.

METHODS

A cross-sectional study was conducted using 100,817 people from the UK Biobank: 17,907 participants categorised as heavy drinkers, defined as > 35 units/week for women and > 50 units/week for men, and 82,910 drinking controls. Prevalence ratios (PRs) and 95% CIs were calculated for gender-specific heavy drinking in 353 occupations using Standard Occupational Classification, V.2000.

RESULTS

Seventy-seven occupations were associated with level of alcohol consumption in drinkers. The largest ratios for heavy drinkers were observed for publicans and managers of licenced premises (PR = 2.81, 95%CI 2.52-3.14); industrial cleaning process occupations (PR = 2.09, 1.33-3.28); and plasterers (PR = 2.07, 1.66-2.59). Clergy (PR = 0.20, 0.13-0.32); physicists, geologists and meteorologists (PR = 0.40, 0.25-0.65); and medical practitioners (PR = 0.40, 0.32-0.50) were least likely to be heavy drinkers. There was evidence of gender-specific outcomes with the proportion of jobs associated with heavy drinking accounted for by skilled trade occupations being 0.44 for males and 0.05 for females, and 0.10 for males and 0.40 for females when considering managers and senior officials.

CONCLUSIONS

In the largest study of its kind, we found evidence for associations between a wider variety of occupations and the risk of heavy alcohol consumption than identified previously, particularly in females, although causality cannot be assumed. These results help determine which jobs and broader employment sectors may benefit most from prevention programmes.