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Cohort Acronym
GAZEL

Cohort type
General population-based cohort

Disease


Participant type
No diagnosis

Profile
Recruitment Period 1989 
Sample size at start or planned sample size if still recruiting 20625  
Estimated Current Sample Size 10,000 to 19,999 
Age at Recruitment 35-50   
Gender Male and Female 
Abstract

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 5,614 women between 35 and 50 years old) at its inception in 1989.

Follow-up is continuous and includes data collection on health status, lifestyle, and socioeconomic and occupational factors from various sources. A postal questionnaire is sent to the participants each year, and data are extracted regularly from the files of the personnel and medical departments of EDF-GDF and from national registers. Participants were invited in 1999-2000, 2008 and 2011 to a health clinic where medical and biological data were collected.

The main focus of research in the past decade was devoted to the study of the persistent, long-term effects of occupational exposures after retirement; of the transition between professionally active life and retirement; and on determinants of early ageing. Accordingly, in addition to the health, behavioural and social data collected yearly since the beginning of the follow-up, new data were thus collected on cognitive complaints, cognitive and physical functioning, limitations in daily activities, time use and social relationships of retirees.

Last update – 20/06/2017

 
Country France 
Contact details
Institution name Inserm UMS 11 - Population-Based Cohort Unit 
Principal Investiator (PI) Professor Marcel Goldberg 
Contact email marcel.goldberg@inserm.fr 
Contact phone number +33177747428 
Address Paris Descartes Medical School - Paris, France 
Funders (Core support) Electricite de France-Gaz de France
Caisse centrale d'action sociale du personnel des industries electrique et gaziere 

Variables Collected

Brain related measures: Behaviour, Cognitive function, Mental health, Neurological
Funtional rating: Individual psychological
Anthropometric: Blood pressure, Height, Hip circumference, Waist circumference, Weight
Physical: Cardiovascular, Musculoskeletal, Respiratory
Biological samples: Blood
Genotyping: Gene screening
Brain imaging: N/A
Brain banking: Consent for brain donation
Lifestyle: Alcohol, Dietary habits, Physical activity, Smoking
Socio-economic: Education, Family circumstances, Housing and accommodation, Income and finances, Informal support, Marital status, Occupation and employment, Unpaid care
Health service utilisation: Formal health and social care service utilisation including private care
 
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