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Prise en charge de la SST dans les mines souterraines : témoignages de cadres et de représentants des travailleurs
Cette étude exploratoire vise à mieux connaître les rôles des cadres et représentants des travailleurs de mines souterraines québécoises, les éléments du contexte qui peuvent agir comme leviers ou obstacles à leurs actions en SST et à amorcer des réflexions sur ce qui peut les soutenir dans leurs rôles. Cette étude s'appuie sur une exploration de la littérature et sur une analyse secondaire des données recueillies lors d'un projet de recherche portant sur les conditions d'intégration...
949 Shiftwork and breast cancer: epidemiology, burden, and implications for prevention
Introduction: Approximately one in five workers globally work night, evening, or rotating shifts. Shiftwork involving circadian disruption is a probable carcinogen for breast cancer. Our objective was to synthesise the current state of the epidemiological literature, report on shiftwork-associated breast cancer burden in Canada, and discuss implications for prevention. Methods: A search was conducted for meta-analyses accompanied by a systematic review, published from 2010–2017, that included at least one meta-risk estimate (mRE) for breast cancer associated with any permanent/rotating night...
Impacts potentiels du télétravail sur les comportements en transport, la santé et les heures travaillées au Québec
Ce rapport de recherche utilise les données de l'Enquête sociale générale (ESG) de Statistique Canada menée en 2010 afin d'établir une caractérisation statistique des télétravailleurs québécois et d'estimer certains des impacts potentiels du télétravail sur les comportements relatifs aux déplacements, la santé et les heures travaillées. Nous présentons d'abord le contexte ayant mené à la croissance du télétravail, des estimations de la...
Night-shift work and hematological cancers
A population based case-control study in three Nordic countries Objective: The aim of this case–control study was to assess the effect of night-shift work on the risk of hematological cancers. Methods: The study included 39 371 leukemia, 56 713 non-Hodgkin lymphoma, 9322 Hodgkin lymphoma, and 26 188 multiple myeloma cases diagnosed between 1961 and 2005 in Finland, Sweden, and Iceland. Five controls for each case were selected from the Nordic Occupational Cancer Study (NOCCA) cohort, matched by year of birth, sex and country. Night-shift exposure was assessed by using the NOCCA job-exposure...
Night Shift Work Increases the Risks of Multiple Primary Cancers in Women
A Systematic Review and Meta-analysis of 61 Articles A growing number of studies have examined associations between night shift work and the risks of common cancers among women, with varying conclusions. We did a meta-analysis to identify whether long-term night shift work increased the risks of common cancers in women. We enrolled 61 articles involving 114,628 cases and 3,909,152 participants from Europe, North America, Asia, and Australia. Risk estimates were performed with a random-effect model or a fixed-effect model. Subgroup analyses and meta-regression analyses about breast cancer were conducted...
Comprendre l’influence de la régulation des contraintes temporelles sur l’appropriation des principes généraux de déplacement sécuritaire des bénéficiaires par les recrues préposés aux bénéficiaires
Les préposés aux bénéficiaires (PAB) ont comme mandat de réaliser l'ensemble des activités d'assistance envers les résidents des centres d'hébergement et de soins de longue durée (CHSLD) au Québec. Ils exercent une fonction indispensable dans les CHSLD, alors que le vieillissement de la population s'accentue, que les problématiques physiques et cognitives des résidents s'aggravent et que la réponse à leurs besoins se complexifie. Les PAB forment également une catégorie...
Shift work schedule and night work load: Effects on body mass index
A four-year longitudinal study Objectives: The aim of this study was to investigate changes in body mass index (BMI) between different work schedules and different average number of yearly night shifts over a four-year follow-up period. Methods: A prospective study of Norwegian nurses (N=2965) with different work schedules was conducted: day only, two-shift rotation (day and evening shifts), three-shift rotation (day, evening and night shifts), night only, those who changed towards night shifts, and those who changed away from schedules containing night shifts. Paired student's t-tests were...
Night Shift Work Increases the Risks of Multiple Primary Cancers in Women
A Systematic Review and Meta-analysis of 61 Articles A growing number of studies have examined associations between night shift work and the risks of common cancers among women, with varying conclusions. We did a meta-analysis to identify whether long-term night shift work increased the risks of common cancers in women. We enrolled 61 articles involving 114,628 cases and 3,909,152 participants from Europe, North America, Asia, and Australia. Risk estimates were performed with a random-effect model or a fixed-effect model. Subgroup analyses and meta-regression analyses about breast cancer were conducted...
Quelles sont les évolutions récentes des conditions de travail et des risques psychosociaux?
Les premiers résultats de la dernière enquête « Conditions de travail » conduite en 2016 font état d'une stabilisation des contraintes de rythme de travail et d'une baisse de certaines contraintes psychosociales (charge mentale en diminution, horaires moins contraignants, soutien social fort et stabilisation de la demande émotionnelle) qui s'accompagnent d'un recul des comportements hostiles. En revanche l'autonomie des salariés poursuit son recul. Les contraintes physiques sont globalement stabilisées à un niveau...
Développement du monoripage et conditions de travail
Depuis quelques années se développe la pratique du monoripage, c'est-à-dire la collecte des déchets par un équipage constitué d'un opérateur de collecte et d'un chauffeur. Une étude menée par l'INRS révèle que dans les conditions observées une telle collecte est physiquement plus intense que celle réalisée en biripage. Elle présente alors un risque plus élevé de troubles musculosquelettiques et une astreinte cardiaque excessive. L'étude montre qu'il...
Shift work and the risk of cardiovascular disease
A systematic review and meta-analysis including dose–response Relationship Objectives: The aim of this review was to assess the risk of cardiovascular disease (CVD) events associated with shift work and determine if there is a dose–response relationship in this association. Method: Electronic databases (PubMed, Scopus, and Web of Science) were searched for cohort or case–control control study designs in any population, reporting exposure to shift work as the main contributing factor to estimate CVD risk. For each study, adjusted relative risk (RR) ratios and 95% confidence intervals...
A review of the impact of shift-work on cancer
Summary of the evidence for practitioners Shift work that involves disruption to the body's circadian rhythm is classified as probably carcinogenic to humans based on limited evidence in humans and sufficient evidence in experimental animals. This article draws together the available information from the epidemiological, mechanistic and health and safety practice research to provide advice for practitioners. There is evidence that the increase in breast cancer risk amongst women who have worked night shifts is relatively modest and we cannot exclude the possibility that there is no cancer risk...
Shiftwork and the Retinal Vasculature Diameters Among Police Officers
Objective: To investigate associations of central retinal arteriolar equivalent (CRAE), a measure of retinal arteriolar width, and central retinal venular equivalents (CRVE), a measure of retinal venular width, with shiftwork in 199 police officers (72.9% men). Methods: Shiftwork (day, afternoon, night) was assessed using electronic payroll records. Four digital retinal images per officer were taken. Mean diameters of the retinal vasculature were compared across shifts using analysis of variance (ANOVA)/analysis of covariance (ANCOVA). Results: Among all officers (mean age = 46.6 ± 6.8 years...
Dimensions sociales et psychologiques associées aux activités minières et impacts sur la qualité de vie
L'intérêt de l'industrie et du gouvernement pour la mise en valeur des ressources minérales du territoire québécois, particulièrement sur le territoire visé par le Plan Nord, convie les acteurs de la santé publique à étudier les activités qui y sont associées et leurs répercussions sanitaires. Afin de répondre au besoin du réseau de la santé publique de mieux comprendre les répercussions sanitaires associées aux activités minières, une revue de littérature...
Night Shift Work and Its Health Effects on Nurses
The purpose of this research was to study night shift work and its health effects on nurses. This was a quantitative study using descriptive design; it also incorporated three qualitative open-ended questions to complement the study. The data were collected using Survey Monkey, with an Internet-based confidential data collection tool. The population of relevance to this study was nurses employed in hospital settings in the United States. E-mail addresses and Facebook were used to recruit participants. Results indicated that there is an increased risk of sleep deprivation, family stressors, and...
Have mobile devices changed working patterns in the 21st century?
A time-diary analysis of work extension in the UK It is commonly claimed that ubiquitous connectivity erodes the boundaries that once separated work from other aspects of life. Mobile devices in particular enable people to perform work-related activities anytime anywhere. Surprisingly, however, we know little about how people nationwide organise their daily working time over a period that has witnessed rapid technological change. Using the United Kingdom Time Use Surveys 2000 and 2015, covering this period of technological change, we studied work extension practices, and the links between work...
Are professional drivers less sleepy than non-professional drivers?
Objective: It is generally believed that professional drivers can manage quite severe fatigue before routine driving performance is affected. In addition, there are results indicating that professional drivers can adapt to prolonged night shifts and may be able to learn to drive without decreased performance under high levels of sleepiness. However, very little research has been conducted to compare professionals and non-professionals when controlling for time driven and time of day. Method: The aim of this study was to use a driving simulator to investigate whether professional drivers are more...
Personal light-at-night exposures and components of variability in two common shift work industries
Uses and implications for future research Objectives: Shift workers’ increased risk of various adverse health outcomes has been linked to light-at-night (LAN) exposure, but few studies have measured LAN exposure in workplaces. To inform future research methods, this study aimed to (i) measure shift workers’ exposures to LAN across industries, occupations, and work environments and (ii) assess components of variance across different exposure groupings and metrics. Methods: Between October 2015 and March 2016, 152 personal full-shift measurements were collected from 102 night shift workers...
Working time patterns for sustainable work
Working time is a recurrent topic of study because the nature of work, its content, the conditions under which it is performed and the labour market itself keep changing. This report provides an overview of the recent evolution of working time duration and organisation in the EU and highlights the most important trends and differences between Member States. Through an in-depth analysis of data from the sixth European Working Conditions Survey carried out in 2015, it examines – from a gender and life course perspective – the links between working time patterns, work–life balance...
Night work, long work weeks, and risk of accidental injuries
A register-based study Danish employees with night work had a higher ratio of accidental injuries compared to day workers. Awareness should be raised in order to prevent injuries in the future. No association between weekly working hours and accidental injuries were found. Thus it appears that the current regulation ensures that long weekly working hours does not imply an increased risk of injuries. Source: Larsen, A. D., Hannerz, H., Møller, S. V., Dyreborg, J., Bonde, J. P., Hansen, J., ... & Garde, A. H. (2017). Scandinavian Journal of Work, Environment & Health . http://dx.doi...
Shift work and the incidence of prostate cancer
A 10-year follow-up of a German population-based cohort study Objectives: We investigated the association of shift and night work with the incidence of prostate cancer using data of the population-based prospective Heinz Nixdorf Recall Study from the highly industrialized Ruhr area in Germany. Methods: Participants of the baseline survey were recruited between 2000–2003. A follow-up survey including, a detailed interview on shift and night work, was conducted from 2011–2014. We included 1757 men who did not report a history of prostate cancer at baseline. We assessed shift- and night...
Outdoor Light at Night and Breast Cancer Incidence in the Nurses’ Health Study II
Background: Animal and epidemiologic studies suggest that exposure to light at night (LAN) may disrupt circadian patterns and decrease nocturnal secretion of melatonin, which may disturb estrogen regulation, leading to increased breast cancer risk.Objectives: We examined the association between residential outdoor LAN and breast cancer incidence using data from the nationwide U.S.-based Nurses' Health Study II cohort.Methods:We followed 109,672 women from 1989 through 2013. Cumulative LAN exposure was estimated using time-varying satellite data for a composite of persistent nighttime illumination...
Shift work, long working hours, and later risk of dementia
A long-term follow-up of the Copenhagen Male Study The current study investigates the unresolved question about the effect of shift work and long working hours on dementia. We did not find an increased incidence of dementia among shift workers or employees with long working hours. Such working hours may lead to acute cognitive impairments but there is no strong evidence for a chronic effect eventually leading to dementia. Source: Nabe-Nielsen, K., Garde, A. H., Ishtiak-Ahmed, K., Gyntelberg, F., Westendorp, R. G., & Hansen, Å. M. (2017). Scandinavian Journal of Work, Environment &...
Night shift and rotating shift in association with sleep problems, burnout and minor mental disorder in male and female employees
Objectives: Shift work is associated with adverse physical and psychological health outcomes. However, the independent health effects of night work and rotating shift on workers' sleep and mental health risks and the potential gender differences have not been fully evaluated. Methods: We used data from a nationwide survey of representative employees of Taiwan in 2013, consisting of 16 440 employees. Participants reported their work shift patterns 1 week prior to the survey, which were classified into the four following shift types: fixed day, rotating day, fixed night and rotating night shifts...
Developing an inter-organizational safety climate instrument for the construction industry
In the construction industry, recent literature has promoted a design for safety approach that discusses the benefits of considering safety from the very start of the project lifecycle. With this approach, non-construction personnel, such as owners and designers, need to work alongside constructors and subcontractors to consider safety during design and procurement stages of a project. This is a difficult process, particularly with the degree of fragmentation in the industry. Safety climate survey instruments have been developed to identify these sources of fragmentation among stakeholder groups...
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