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).
16 "départements" located in different French regions.
As of January 2014, the number of recruited participants is 35,000.
Letter to eligible subjects;
|Constances Follow-up 1|
The first follow-up of the subjects...