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The impact of night shift work on breast cancer
Results from the Burden of Occupational Cancer in Canada Study Background: We estimated the proportion and number of female breast cancer cases in Canada attributable to night shift work, a probable cause of breast cancer. Methods: Levin's equation was used to calculate population attributable fractions (PAFs) among Canadian women who ever worked night/rotating shifts from 1961 to 2000, accounting for labor turnover and survival to the year 2011. The calculated PAFs were applied to 2011 Canadian breast cancer incidence statistics to obtain the number of attributable cases. Results: Approximately...
Gender differences in injuries attributed to workplace violence in Ontario 2002-2015
Objectives: The aim of the study is to compare trends in the incidence of injury resulting from workplace violence for men and women at the population level over the period 2002–2015 among working-age adults in Ontario, Canada. Methods: Administrative records of injury resulting from workplace violence were obtained from two population-based data sources in Ontario: 21 228 lost-time workers' compensation claims (2002–2015) and 13 245 records of non-scheduled emergency department visits (2004–2014), where the main problem was attributed to a workplace violence...
Do age and gender contribute to workers’ burnout symptoms?
Background: Despite mounting evidence on the association between work stress and burnout, there is limited knowledge about the extent to which workers' age and gender are associated with burnout. Aims: To evaluate the relationship between age, gender and their interaction with burnout in a sample of Canadian workers. Methods: Data were collected in 2009–12 from a sample of 2073 Canadian workers from 63 workplaces in the province of Quebec. Data were analysed with multilevel regression models to test for linear and non-linear relationships between age and burnout. Analyses adjusted for...
Post-traumatic Reactions and Their Predictors among Workers Who Experienced Serious Violent Acts
Are There Sex Differences? Background: Serious violent acts (e.g. physical violence, robbery, sexual aggression and death threats) are among the most visible and notable examples of workplace violence. Although women are commonly found to be at higher risk for post-traumatic reactions following workplace violence, little is known as regards sex differences concerning the types of post-traumatic reactions and their predictors. Objective: This study aimed to describe sex differences in the post-traumatic reactions of serious violent acts and the predictors of such reactions. Methods: The study was...
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...
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...
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...
Does influence at work modify the relation between high occupational physical activity and risk of heart disease in women?
Purpose: To investigate whether influence at work modifies the association between demanding and strenuous occupational physical activity (OPA) and risk of ischaemic heart disease (IHD). Methods: A sample of 12,093 nurses aged 45–64 years from the Danish Nurse Cohort Study was followed for 20.6 years by individual linkage to incident IHD in the Danish National Patient Registry. Information on OPA, influence at work, other occupational factors and known risk factors for IHD was collected by self-report in 1993. Results: During follow-up 869 nurses were hospitalised with incident IHD. Nurses...
Chronic Disease Risks From Exposure to Long-Hour Work Schedules Over a 32-Year Period
Objectives: This study aims at evaluating the chronic disease risk related to prolonged work in long-hour schedules for eight major chronic diseases: heart disease, non-skin cancer, arthritis, diabetes, chronic lung disease, asthma, chronic depression, and hypertension. Methods: The study used data from the National Longitudinal Survey of Youth, 1979 covering 32 years of job history (1978 to 2009) for 7492 respondents. Logistic regression analyses were performed to test the relationship between average weekly work hours, and the reported prevalence of those conditions for each individual. Results...
Gender-specific association between night-work exposure and type-2 diabetes
Results from longitudinal study of adult health, ELSA-Brasil Objectives Diabetes is a multifactorial disease of increasing prevalence. The literature suggests an impact of night work on metabolic components, though the relationship with diabetes is unclear. Our aim was to investigate gender-specific associations between night work and type-2 diabetes (DM2) or impaired glucose tolerance (IGT) using baseline data of the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). Methods The cohort comprised 15 105 civil servants, aged 35–74 years. Baseline assessments (2008–2010) included...
Workplace stress and working from home influence depressive symptoms among employed women with young children
BACKGROUND: Poor balance between work and family can be a major stressor for women with young children and have a negative impact on emotional well-being. Family-friendly workplace attributes may reduce stress and depressive symptoms among this population. However, few studies have analyzed the role of specific workplace attributes on mental health outcomes among women with young children because available data are limited. PURPOSE: This study examines the impact of workplace attributes on changes in depressive symptoms among working women with young children between 6 and 24 months of age. METHOD...
Physical Capacity and Risk for Long-Term Sickness Absence
A Prospective Cohort Study Among 8664 Female Health Care Workers Objective: To assess the prospective associations between self-reported physical capacity and risk of long-term sickness absence among female health care workers. Methods: Female health care workers answered a questionnaire about physical capacity and were followed in a national register of sickness absence lasting for two or more consecutive weeks during 1-year follow-up. Using Cox regression hazard ratio analyses adjusted for age, smoking, body mass index, physical workload, job seniority, psychosocial work conditions, and previous...
Precarious employment and new-onset severe depressive symptoms
A population-based prospective study in South Korea Objectives: Considering the effect of sex and head of household responsibilities, this study was designed to evaluate whether precarious employment is associated with the development of new-onset severe depressive symptoms. Methods: We followed 1699 male and 1066 female waged workers, ≤59 years of age and without moderate depressive symptom, from the Korean Welfare Panel Study 2007–2013. Their employment status was classified as full-time permanent, precarious, self-employed, or unemployed after baseline. Except for occupation and company...
Work schedule and physically demanding work in relation to menstrual function
The Nurses' Health Study 3 Objectives : This study aimed to evaluate occupational exposures and menstrual cycle characteristics among nurses. Methods : Using cross-sectional data collected in 2010–2012 from 6309 nurses aged 21–45 years, we investigated nurses' menstrual function in the Nurses' Health Study 3. We used multivariable regression modeling to analyze the associations between occupational exposures and prevalence of irregular cycles and long and short cycle lengths. Results : The cohort reported cycle length as <21 (1.5%), 21–25 (15.6%), 26–31 (69...
Miscarriage Among Flight Attendants
Background: Cosmic radiation and circadian disruption are potential reproductive hazards for flight attendants. Methods: Flight attendants from 3 US airlines in 3 cities were interviewed for pregnancy histories and lifestyle, medical, and occupational covariates. We assessed cosmic radiation and circadian disruption from company records of 2 million individual flights. Using Cox regression models, we compared respondents (1) by levels of flight exposures and (2) to teachers from the same cities, to evaluate whether these exposures were associated with miscarriage. Results: Of 2654 women interviewed...
Femmes-hommes : quelles différences d’exposition aux risques psychosociaux ?
L'Anact a réalisé un état des lieux des facteurs psychosociaux de risques au travail et de la santé mentale des femmes et des hommes au travail. Pour cela, l'auteure, Anne-Marie Nicot, a réalisé une approche par genre des données statistiques nationales. Source: http://www.anact.fr/web/actualite/essentiel?p_thingIdToShow=39947654
Les femmes surexposées aux risques psychosociaux dans l’enquête Sumer 2010
L'Anact a mis en évidence, sur la base des données statistiques de la Cnam-TS, que femmes et hommes ne sont pas confrontés aux mêmes risques professionnels. Qu'en est-il plus spécifiquement de l'exposition aux facteurs de risques psychosociaux ? Pour le savoir l'Anact a commandé à deux chercheurs du Lest, Paul Bouffartigue, et Jacques Bouteiller, d'analyser les données des enquêtes Sumer au « regard du genre ». Source: http://www.anact.fr/web/actualite/essentiel?p_thingIdToShow=39867654
For better or worse? Changing shift schedules and the risk of work injury among men and women
Objectives: The aim of this study was to examine the risk of work injury associated with changes in shift schedules and identify whether work injury risks differ between men and women. Methods: Longitudinal panels from the Survey of Labor and Income Dynamics were used to describe work schedule patterns over a 6-year period among a representative sample of Canadian workers (N=19 131). Cox regression was used to estimate the risk of work injury among workers who (i) switched from regular day to nonstandard shifts, (ii) switched from nonstandard to day shifts and (iii) remained in nonstandard shifts...
Harcèlement sexuel au travail
Le défenseur des droits publie une enquête exclusive L'enquête réalisée par le Défenseur des droits révèle que, aujourd'hui, en France, 1 femme sur 5 déclare avoir été victime de harcèlement sexuel au travail, ce qui viennent confirmer les propos des témoins, également ciblés par l'enquête. Les gestes et propos à connotation sexuelle sans le consentement de la personne et un environnement de travail avec des blagues à caractère sexuel sont, avec le chantage...
Roles of age, length of service and job in work-related injury: A prospective study of 63,620 person-years in female workers.
Background The roles of age, length of service and job in various work-related injury types are unknown and deserve investigations among female workers. This study assessed their roles in the occurrence of injury. Methods Three-year prospective study of all 22,952 permanently employed women at the French national railway company: 63,620 person-years, 756 injuries with working days lost, coded using the company's injury classification derived from that of the French health insurance scheme. We investigated the incidence of four types of injury: fall on same level, fall to lower level, materials...
The impact of job stress due to the lack of organisational support on occupational injury
OBJECTIVES : The aim of this study was to analyse the association between job stress and occupational injuries. METHODS : A prospective cohort study in a sample of 10 667 workers belonging to the insured population of the Mutual Insurance Company in Spain. Job stress was assessed with the Spanish version of the Job Stress Survey. A 1-year follow-up of the workers' clinical records was conducted to determine the incidence of occupational injuries, and the incidence rate per 1000 workers-year was calculated. The associations between the incidence of occupational injuries, job stress and job stress...
Tempo, un mode d’action innovant pour faciliter les négociations
Pour aider les entreprises à mener les négociations sur les seniors, l’égalité professionnelle et la pénibilité, l’Anact a mis au point un dispositif de cluster social nommé « Tempo », animé par les Aract. Les entreprises participantes en repartent outillées et dynamisées par le travail de groupe, avec un dialogue social renouvelé. Les partenaires sociaux font le point sur l'actualité sociale et les dispositifs de négociation et des experts institutionnels (DGT et DGEFP) posent...
Genre : des inégalités de santé et de conditions de travail ?
Depuis 10 ans, l'analyse des statistiques d'accidents du travail, de trajet et de maladies professionnelles montre des évolutions différenciées selon le sexe. Si en 2010, les accidents du travail des femmes représentent un tiers des 650 000 accidents du travail, leur nombre a augmenté de 23% sur la période 2000-2010, alors que le nombre d'accidents du travail des hommes a diminué de 21%. En 2009, pour la 1ère fois, les accidents de trajet des femmes dépassent ceux des hommes. En 2010, pour la 1ère fois, le nombre...
Approche ergonomique et pénibilité perçue du travail avec les tout-petits
L'activité de travail des agents accueillant de jeunes enfants soit en crèche soit à leur domicile est étudiée par G. Valléry et S. Leduc sous l'angle de la pénibilité réelle et perçue du travail. L'accent est mis par les agents sur la pénibilité physique (en termes de douleurs) ce qui semble masquer une forme de "déni" de la dimension psychologique de la pénibilité (par exemple supporter les cris, les refus de manger, etc.). Au final, la pénibilité relative...
Breast cancer among shift workers: results of the WOLF longitudinal cohort study
Objective: The aim of this study was to investigate whether shift work (with or without night work) is associated with increased risk of breast cancer. Methods : The population consisted of 4036 women. Data were obtained from WOLF (Work, Lipids, and Fibrinogen), a longitudinal cohort study. Information about baseline characteristics was based on questionnaire responses and medical examination. Cancer incidence from baseline to follow-up was obtained from the national cancer registry. Two exposure groups were identified: shift work with and without night work. The group with day work only was used...
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