CONSTANCES Cohort

Random sample representative of sex, age and socio-economic status of the French population  aged 18-69, living in 16 different French “départements” in all regions and affiliated to the Social security system (85% of the French population).

Selection criteria: 
Age:
Minimum 18, maximum 69
Country:
France
Territory:

16 "départements" located in different French regions.

Sources of recruitment: 
General population:
Volunteer enrolment
Number of participants: 
200 000 participants
Number of participants with biological samples: 
100 000 participants
Supplementary information about number of participants: 

As of January 2014, the number of recruited participants is 35,000.

Data Collection Events:
NameDescriptionStartEnd
Constances Baseline

Letter to eligible subjects;
...

2012 (May)
Constances Follow-up 1

The first follow-up of the subjects...

2013 (May)