The original GAZEL cohort was composed of 20 625 employees of the French national gas and electricity companies (15 011 male employees then aged 40 to 50 years and 5614 women between 35 and 50 years old) at its inception in 1989. A Cohort Profile article was published in 2007. By the end of 2013, participants were aged 60–75, and almost all of them retired during follow-up. Accordingly, the mai...

The origin of the Doetinchem Cohort Study lies within the Monitoring Project on Cardiovascular Disease Risk Factors (MP-CVDRF), which was aimed at providing prevalence estimates of cardiovascular disease risk factors, such as smoking, blood pressure and serum cholesterol levels. During 1987–91 each year an ageand sex-stratified random sample of men and women aged 20–59 years, was invited to par...

Background Children placed in out-of-home care (OHC) have exceedingly high rates of health problems. Their poor health tends to persist across adolescence and into young adulthood, resulting in increased risks of mortality. Yet, very little is known about this group's mortality risks later in life. The aim of this study was to investigate whether OHC was associated with the risk of all-cause mo...

Électricité de France-Gaz de France (EDF-GDF) is the only utility firm in France involved in production, transmission and distribution of energy. For several reasons, EDF-GDF is a unique setting for epidemiology. The company employs about 150 000 workers in all regions of France, from large cities to small villages; there is a wide socioeconomic range of occupational positions, including white ...

Coronary artery disease (CAD) risk factor profiles change over time. The death rate from coronary disease has been decreasing mainly due to changes in levels of risk factors, and improvement in CAD treatments. However, there are risk factors, whose prevalence is increasing, such as diabetes and obesity. When the risk factor profile changes, we can assume that gene profiles and epigenetics also ...

The Tromsø Study was initiated in 1974 in an attempt to help combat the high mortality of cardiovascular diseases in Norway, that was particularly pronounced among middle-aged men. In the mid-1970s, Norwegian men had a 20% risk of dying of myocardial infarction (MI) before the age of 75 years. The situation in Northern Norway was even worse. The primary aim of the Tromsø Study was to determine ...

conclusions according to the findings of this study, there is no relationship between shift work and changes in serum tg and cholesterol. the lack of relationship can be due to shift plans for shift workers, nutrition, or the “healthy heart project” at isfahan mobarakeh steel company. results the results showed a significant difference in cholesterol levels between shift workers and day workers...

introduction: sleep disorder caused by adenotonsillar hypertrophy has been implicated as a cause of primary and secondary nocturnal enuresis in children.  this study was conducted to investigate the effect of adenotonsillectomy on enuresis in children with adenotonsillar hypertrophy.  materials and methods: this prospective cohort study was conducted in hamadan city in western iran, from april ...

"This paper looks into the timing and sequences of early life transitions of Canadian women using data from the 1995 General Social Survey of Family. Six events occurring in early adulthood are examined: school completion, first job, home-leaving, first cohabitation, first marriage, and first birth. Our analysis of birth cohorts spanning 60 years shows that the biggest changes in timing occurre...