Michel Vézina

Michel Vézina
Laval University | ULAVAL · Department of Social and Preventive Medicine

About

191
Publications
32,126
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Publications

Publications (191)
Article
Full-text available
It is unclear how to effectively protect healthcare workers’ mental health during infectious disease epidemics. Targeting the occupational determinants of stress may hold more promise than individual stress management, which has received more focus. Through a systematic review of the 2000–2021 English- and French-language scientific literature, we...
Research
https://www.inspq.qc.ca/publications/3211-gestionnaire-medecin-pandemie ISBN (électronique): 978-2-550-91639-0
Article
Full-text available
Population-based strategies targeting modifiable risk factors are needed to improve the prevention of hypertension. Long working hours have been linked to high blood pressure (BP), but more longitudinal research is required. The objective of this study was to examine the effect of long working hours (≥41 h/week) on ambulatory BP mean over a 2.5-yea...
Article
Objective: We aimed to measure the prevalence of psychological distress among Quebec healthcare workers (HCWs) during the second and third pandemic waves and to assess the effect of psychosocial risk factors (PSRs) on work-related psychological distress among SARS-CoV-2 infected (cases) and non-infected (controls) HCWs. Methods: A self-administe...
Preprint
Objective We aimed to measure the prevalence of psychological distress among Quebec healthcare workers (HCWs) during the second and third pandemic waves and to assess the effect of psychosocial risk factors (PSRs) on work-related psychological distress among SARS-CoV-2 infected (cases) and non-infected (controls) HCWs. Methods A self-administered...
Article
Background Chronic low-grade inflammation has been associated with high risk of several chronic diseases such as cardiovascular diseases, diabetes, depression, and dementia. As low-grade inflammation could be present long before the apparition of the disease, identifying modifiable risk factors could allow to act upstream. Psychosocial stressors at...
Article
Objectives Psychosocial stressors at work have been proposed as modifiable risk factors for mild cognitive impairment (MCI). This study aimed to evaluate the effect of cumulative exposure to psychosocial stressors at work on cognitive function. Methods This study was conducted among 9188 white-collar workers recruited in 1991–1993 (T1), with follo...
Article
Objectives: To assess the effectiveness of a workplace intervention reducing psychosocial stressors at work in lowering blood pressure and hypertension prevalence. Methods: The study design was a quasi-experimental pre-post study with an intervention group and a control group. Post-intervention measurements were collected 6 and 36 months after t...
Article
Objectives This study assesses the validity of a self-reported mental health problem (MHP) diagnosis as the reason for a work absence of 5 days or more compared with a physician-certified MHP diagnosis related to the same work absence. The potential modifying effect of absence duration on validity is also examined. Methods A total of 709 participa...
Article
By 2050, an estimated 152 million people will be living with dementia. Prospective studies suggest that exposure to psychosocial stressors at work could be associated with a higher risk of mild cognitive impairment or dementia, but the evidence is still not clear. This study aimed to evaluate the effect of cumulative exposure to psychosocial stress...
Article
Introduction À la suite de signaux d’alerte émanant des pédiatres seniors (problèmes de santé mentale, démissions, courrier dénonçant un mal-être), la direction a souhaité l’évaluation de leurs RPS par le service de santé au travail, puis la mise en place d’une série d’actions préventives. Méthodes Une grille d’identification développée par une éq...
Article
Introduction À la suite de signaux d’alerte des pédiatres, et de l’évaluation de leurs RPS par le service de santé au travail, la direction a instauré un plan de prévention de ces risques. Le service de santé au travail a souhaité faire une évaluation de sa mise en place. Méthodes Cette évaluation a été réalisée en utilisant le cadre théorique de...
Article
Objectives Women have a higher incidence of mental health problems compared with men. Psychosocial stressors at work are associated with mental health problems. However, few prospective studies have examined the association between these stressors and objectively measured outcomes of mental health. Moreover, evidence regarding potential differences...
Article
Importance Mental health problems are associated with considerable occupational, medical, social, and economic burdens. Psychosocial stressors at work have been associated with a higher risk of mental disorders, but the risk of sickness absence due to a diagnosed mental disorder, indicating a more severe condition, has never been investigated in a...
Article
Previous studies on the effect of long working hours on blood pressure have shown inconsistent results. Mixed findings could be attributable to limitations related to blood pressure measurement and the lack of consideration of masked hypertension. The objective was to determine whether individuals who work long hours have a higher prevalence of mas...
Article
Full-text available
Introduction Depression is a common and disabling health problem that contributes to an important social and economic burden, particularly among the working age population. The deleterious effect of psychosocial work factors on depression has been documented. However, the most recent systematic reviews had restrictive eligibility criteria and, sinc...
Article
Background: Psychological distress is a strong and independent predictor of major depression. Assuming multiple roles (such as being both a mother and an employee) under stressful conditions may lead to psychological distress. This study evaluated, for the first time, the longitudinal effect of the simultaneous exposure to psychosocial work stress...
Technical Report
Full-text available
Ce rapport présente les résultats de l’analyse des données issues d’une étude descriptive visant à documenter la perception qu’ont les femmes à l’égard des mesures de conciliation travail-vie personnelle en place dans leur milieu de travail, l’organisation du travail et leur état de santé mentale.
Article
To determine whether white-collar workers treated for hypertension who are exposed to psychosocial stressors at work have a higher prevalence of uncontrolled hypertension than unexposed workers, this study conducted three waves of data collection over a 5-year period (repeated cross-sectional design). The study sample was composed of 464 white-coll...
Article
Context After several warning signals coming from senior physicians working in a Department of pediatrics at a large university hospital, the Department of occupational health decided to assess objectively the psychosocial risks to which this personnel was exposed. Methods A research team from the scientific unit of the Institut National de Santé...
Article
Objective: Evaluate the effect of the Quebec Healthy Enterprise Standard (QHES) on adverse physical and psychosocial work factors and work-related musculoskeletal problems (WMSP). Methods: Workers of ten organizations completed questionnaires before (n = 2849) and 2-3 years following (n = 2560) QHES implementation. Outcomes were assessed using v...
Article
Full-text available
Introduction Mental health problems (MHPs) are frequent and disabling and are the first or second leading cause of certified sickness absences from work in industrialised countries. They are generally long lasting and generate a considerable human and socioeconomic burden. The deleterious effect of adverse psychosocial work factors on MHP has been...
Conference Paper
The literature shows substantial differences in occupational exposures between men and women, both between and within occupations, but remains very sparse on whether interventions are tailored to gender differences in the workplace. Our objective was to determine whether gender differences were taken into account when designing prevention intervent...
Conference Paper
Objective: Cardiovascular diseases (CVD) are the leading cause of mortality worldwide accounting for 17.7 million deaths per year. Mental health problems (MHP) are the fi rst cause of disability worldwide. Their prevalence, long duration and high risk of recurrence place a considerable burden on health and social care systems and important producti...
Article
Objectifs Au cours des dernières décennies, les milieux de travail ont connu des changements profonds. Ces transformations ont eu un impact sur la santé, générant à la fois des risques physiques et psychologiques. L’identification des risques psychosociaux (RPS) et les moyens de les prévenir constituent un défi pour le personnel médical et les dire...
Article
Problématique Plusieurs signaux d’alerte émanant des médecins seniors du pôle d’activité pédiatrique d’un CHU ont conduit le service de santé au travail à évaluer leurs RPS le plus objectivement possible. Méthodologie Une équipe de recherche de l’unité scientifique de santé au travail de l’Institut national de santé publique du Québec, a développé...
Conference Paper
Introduction The Together towards health program was implemented in a large hospital in Québec, Canada to target psychosocial work factors. An organisational psychologist developed activities to improve team management in several units, based on a participatory implementation process. The aim of this study was to assess the adequacy between workers...
Conference Paper
Full-text available
Introduction Adverse psychosocial work factors are recognised as a significant source of psychological distress. The Healthy Enterprise Standard (HES) targets four intervention areas: Lifestyle, Work-life balance, Workplace environment and Management practices; this latter area referring to interventions aimed at improving the psychosocial work env...
Conference Paper
Introduction The Healthy Enterprise Standard (HES) is related to a certification program in Québec (Canada) and targets four areas: Lifestyle, Work-life balance, Workplace environment and Management practices. The aim of this study was to open the black box of intervention and analyse the implementation process in order to interpret effects of HES...
Conference Paper
Introduction Work-related musculoskeletal problems (WMSP) are amongst the most frequent and costly health problems experienced by the working population. Both adverse physical and psychosocial work factors can lead to WMSP. The Healthy Enterprise Standard (HES) targets four intervention areas, including the Workplace environment and the Management...
Conference Paper
Introduction Work-life balance (WLB) refers to the harmonisation of one’s professional and personal roles. A growing body of research suggests that this conflict may be associated with various mental and physical health problems. An increasing number of organisations are implementing measures to promote WLB, but the effects of these on workers’ hea...
Conference Paper
Introduction A significant portion of the burden of illness of workers in Canada and the United States is attributable to poor lifestyle habits, namely smoking, physical inactivity and low consumption of fruits and vegetables. The Healthy Enterprise Standard (HES) targets four intervention areas, including one to promote healthy lifestyle habits. T...
Article
Full-text available
Adverse psychosocial work factors are recognized as a significant source of psychological distress, resulting in a considerable socioeconomic burden. The impact of occupational health standards that aim to reduce these adverse work factors, such as the Quebec Healthy Enterprise Standard (QHES), is of great interest for public health. The aim of thi...
Article
Full-text available
Background: Work-related musculoskeletal disorders (WMSD) represent a major public health problem and economic burden to employers, workers and health insurance systems. This systematic review had two objectives: (1) to analyze the cost-benefit results of organizational-level ergonomic workplace-based interventions aimed at preventing WMSD, (2) to...
Article
The literature shows substantial differences in occupational exposures between men and women, both between and within occupations, but remains very sparse on whether interventions are tailored to gender differences in the workplace. Our objective was to determine whether gender differences are taken into account when designing prevention interventi...
Article
Objectives: Prospective studies which evaluated whether the effects of chronic exposure to psychosocial work factors on mental health persisted over time are scarce. For the first time, this study evaluated: 1) the effect of chronic exposure to effort-reward imbalance over 5 years on the prevalence of high psychological distress among men and women...
Article
Full-text available
Background Mental health problems (MHP) are the leading cause of disability worldwide. The inverse association between socioeconomic position (SEP) and MHP has been well documented. There is prospective evidence that factors from the work environment, including adverse psychosocial work factors, could contribute to the development of MHP including...
Article
Objective: Accumulating evidence shows that psychosocial work factors of the demand-control and effort-reward imbalance models may contribute to increase blood pressure (BP). Women are more likely to be exposed to these psychosocial factors than men. Moreover, women spend twice as much time per week performing family responsibilities than men. Thi...
Article
Full-text available
Purpose: A number of prospective studies have documented the effect of adverse psychosocial work factors (work stress) on high blood pressure (BP). Weight gain could be an important pathway by which work stress exerts its effect on BP. No previous prospective study has examined this mediating effect. The aim of the present study was to examine the...
Article
Objectives Psychological distress is a strong predictor of major depression. Accumulating evidences show that psychosocial work factors (i.e. work stressors) of the demand-control and effort-reward imbalance models may contribute to the development of mental health problems. Women are more likely to be exposed to these psychosocial work factors tha...
Chapter
Workplace interventions aiming to improve work environment characteristics, including psychosocial work factors, have been widely recommended to improve workers’ health. This chapter presents: (i) evidences regarding the effects of interventions aiming to reduce adverse psychosocial work factors and related health problems, (ii) quality criteria re...
Article
This article reports on the results of an empirical study of working conditions including psychological harassment (workplace bullying) in the province of Québec, Canada, the first North American jurisdiction to regulate psychological harassment in its labor legislation. All empirical data provided in this article was drawn from the Québec Survey o...
Conference Paper
As shown in the health economic literature, depression and anxiety are associated with high presenteeism costs (on-the-job productivity losses) as compared to other health conditions. Moreover, presenteeism costs increase with depression severity. Several authors insist on the need to include reduced work performance because of depression in cost-b...
Article
Full-text available
Background Two main theoretical models have been used to assess the impact of psychosocial work factors on blood pressure (BP): the demand–control (DC) model and the effort–reward imbalance (ERI) model. Previous studies have mostly used a single time point exposure to examine this association. Objective To examine the effect of repeated job strain...
Article
Our study objectives were as follows: assess exposure to psychosocial work demands among working pregnant women and women on preventive withdrawal from work; and measure the association between psychosocial work demands and major depressive symptoms, according to time of withdrawal from work.
Article
To describe the changes implemented as part of a workplace psychosocial intervention. The intervention was conducted in a public organization employing 1630 white-collar workers. The intervention was defined as all changes implemented to reduce adverse psychosocial work factors. A logbook was held to describe the changes implemented in the interven...
Chapter
Full-text available
This chapter aims to pinpoint the specific issue of long-term sustainability in intervention processes. Our findings emerge from an in-depth analysis of a vast research project on intervention, which was carried out in three detention centers in Quebec (Canada). Although the project had very positive effects throughout the entire intervention proce...
Conference Paper
Introduction Depuis 2009, les entreprises québécoises peuvent recevoir la certification Entreprise en santé du bureau de normalisation du Québec. Cette norme vise à améliorer la santé physique et mentale des travailleurs par des interventions de prévention portant sur quatre sphères : environnement physique de travail, pratiques de gestion, équilib...
Article
Purpose of the study The objective of the study was to describe the exposure to psychosocial work demands and to identify associated factors in pregnant women in Montreal, Quebec. Methods An abbreviated version of Karasek's questionnaire was used to measure psychosocial work demands (job strain and “iso-strain”) among 3765 workers interviewed at 2...
Article
Full-text available
This study aimed to investigate the association between employees' perceptions of their exposure to an organizational-level occupational health intervention and its psychosocial outcomes. Participants were employees of an insurance firm (N = 1084) in Quebec, Canada. The intervention was designed to reduce adverse psychosocial work factors (high psy...
Article
Full-text available
This article assessed depressive symptoms associated with work-related psychosocial risk factors according to gender in Chile, using the demand-control model (Karasek) and effort-reward imbalance (Siegrist). A cross-sectional study was conducted in a random sample of 3,010 workers (35% female and 65% male) from the country. Data analysis determined...
Book
Full-text available
Stress, suicide au travail, harcèlement, mal-être, épuisement professionnel… Les mots pour dire les maux du travail ont envahi le discours médiatique et politique, mais aussi la vie quotidienne des organisations publiques et privées. Pourtant, derrière chacun de ces mots d’allure parfois simple se cachent des partis pris théoriques qui gênent la bo...
Article
The role of psychosocial and physical factors in the development of musculoskeletal pain (MSP) has now been clearly demonstrated. However, it is unclear whether these factors contribute to specific regional MSP or to multisite pain. The main goal of this study was to assess the impact of work-related factors according to gender on the development o...
Article
Full-text available
El objetivo fue evaluar sintomatología depresiva, asociada a factores de riesgo psicosocial laboral según sexo en Chile, mediante los modelos demanda-control (Karasek) y desequilibrio esfuerzo-recompensas (Siegrist). El estudio fue transversal con una muestra aleatoria de 3010 trabajadores asalariados (35% mujeres y 65% hombres) de todo el país. Se...
Article
Full-text available
Instruments based on Karasek’s demand/control/support and Siegrist’s effort-reward imbalance models have been extensively used to evaluate exposure to psychosocial workplace risks linked to physical and mental health, but have not been validated in Chile. The study aimed to analyze the factorial structure and concurrent and criteria validity in two...
Article
Full-text available
The objectives of our study were to compare the prevalence of major depressive symptoms between subgroups of pregnant women: working women, women who had stopped working, housewives and students; and to identify risk factors for major depressive symptoms during pregnancy. The CES-D scale (Center for Epidemiological Studies Depression scale) was use...
Article
Full-text available
Two main theoretical models have been used to assess the impact of psychosocial work factors on blood pressure (BP): the demand-control model (DC) and the effort-reward imbalance (ERI) model. Little is known about their independent and combined effect. To examine the independent and combined effect of the DC and ERI models on ambulatory BP (ABP). D...
Article
La loi québécoise sur la santé et la sécurité du travail (LSST) a été adoptée en 1979. Or la réglementation concernant ses quatre mécanismes clés (programme de prévention, programme de santé, comité de santé et de sécurité et représentant à la prévention) n’a toujours pas été étendue à tous les secteurs d’activité économique, contrairement à ce qui...
Article
Full-text available
Karasek's demand-control model and Siegrist's effort-reward imbalance model have accumulated solid evidence regarding the associations between exposure to psychosocial risk at work (PSRW) and mental health of workers. However, there is scarce such evidence with regard to its associations with alcohol consumption. This study proposed to estimate the...
Article
Full-text available
Little is known about the effects of psychosocial work factors on objectively assessed mental health problems leading to medically certified absence. Only one study has evaluated the prospective effects of effort-reward imbalance (ERI) at work with regards to this outcome. The present study aimed to evaluate the effects of ERI on the incidence of m...
Article
Full-text available
A growing body of research has investigated the adverse effects of psychosocial work factors on blood pressure (BP) elevation. There is now a clear need for an up-to-date, critical synthesis of reliable findings on this topic. This systematic review aimed to evaluate the adverse effects of psychosocial work factors of both the demand-control-suppor...
Article
More than thirty years after the adoption of the Quebec Act respecting occupational health and safety (AROHS), the regulations respecting the prevention programme (PP), the health programme specific to the establishment, joint OHS committees (JOHSC) and workers' safety representatives (WSR) have not yet been implemented in all occupational sectors,...
Conference Paper
Full-text available
Mental health problems at work entail high costs for organizations. Researchers have therefore sought to identify the organizational factors behind mental health problems at work so as to be able to act at the level of primary prevention on the mental health of workers. These studies, based on workplace interventions, have increasingly documented t...
Conference Paper
Full-text available
Preventing workplace bullying represents a significant challenge for organizations wishing to create and maintain healthy workplaces. Thus, various strategies have been implemented in companies in order to prevent and intervene in situations involving psychological harassment. However, to date, very little theoretical and practical knowledge exists...
Article
The aim of this study is to examine the influence of the sources of psychological stress at work assumed by the Demand-Control-Support (DCS) model on presenteeism propensity. Research propositions are derived from the dynamic version of the Demand-Control model, to which we added the dimension of social support, which is part of the DCS model. Data...