Anne Chevalier

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The purpose of this paper is to examine personal and health factors, both at the beginning of the study and thereafter, associated with participation in the GAZEL cohort, set up in 1989 in a large French company. The authors used logistic regression to analyze the associations between participation and data available for both participants (n = 20,093) and(More)
To determine whether occupational exposure to magnetic fields of 50-60 Hz was associated with cancer among electric utility workers, the authors used a case-control design nested within three cohorts of workers at electric utilities: Electricité de France--Gaz de France, 170,000 men; Ontario Hydro, 31,543 men; and Hydro-Québec, 21,749 men. During the(More)
Very few studies described the prevalence of mental disorders in the workplace by using standard diagnostic criteria. A two-stage case-control study of anxiety and depression was initiated by Electricité de France and Gaz de France, the French Nationwide Company producing electricity and gas, using the General Health Questionnaire with 12 items as a(More)
BACKGROUND Many occupational and environmental exposures have been implicated in the etiology of leukemia, but only a few, such as benzene, are well-established leukemogens. The risk of leukemia in a large cohort of gas and electricity utility workers with exposures to several suspected or confirmed carcinogens was investigated. METHODS A case-control(More)
Objectives: A case–control study within a cohort of the workers employed by Electricité de France and Gaz de France between 1988 and 1992 was carried out to investigate relationships between cancers and socioeconomic status, including the effects of social mobility, by studying three professional career points. Methods: All the incident cases of breast(More)
The main aim of this study was the analysis of occupational lung cancer risk factors in the French national electricity and gas company (Electricité de France-Gaz de France (EDF-GDF)). A case-control survey nested in a cohort of male employees was undertaken. The study population consisted of all male staff who were active at EDF-GDF between January 1,(More)
A study of the frequency of life events was conducted in a group of subjects selected from the general population over a period of 9 months. Four assessments were made, using an events questionnaire and the Psychiatric Symptom Index (PSI), at 3-monthly intervals. The results show a significant relationship (maintained over time) between PSI score and the(More)
BACKGROUND The aim of this study was to determine whether depression and anxiety are predictive factors for ischaemic heart disease among adults <60 years. Method A case-control study among active employees of the French nationwide power company (Electricité de France-Gaz de France) analysed men aged 31-55 years who presented an initial clinical form of(More)
OBJECTIVES To determine whether sickness absence is a prognostic marker in terms of mortality among people with common chronic conditions. METHODS Prospective occupational cohort study of 13,077 men and 4871 women aged 37-51 from the National Gas and Electricity Company, France. Records of physician-certified sickness absences over a 3-year period were(More)