Numerous data are systematically collected for all volunteers. They are intended to provide a corpus for describing and tracking over time health status, general morbidity and mortality, socio-economic and professional status, family, social and living environment, and personal and environmental risk factors.

In addition, data collected by the general Constances system can be linked with data from other sources, leading to a continuous enrichment of the database. This may involve obtaining occupational or residential environment data, at different levels: individual and contextual. Finally, several other types of data can be generated: weightings, data from a diagnostic validation platform, and ancillary projects with complementary data collection, such as data collected during the Covid-19 epidemic via the completion of several self-questionnaires and serological tests (using self-sampling kits).

Data are collected at inclusion and during follow-up, and come from a variety of sources. All available data (inclusion, follow-up and enrichment data) are
listed in regularly updated catalogs that you can find in the useful documents.

Skip to content