| Presentation of some variables and annotation in the database | Obs | Mean | Std. Dev. | Min | Max |
| Age | 10,907 | 37.89961 | 12.88326 | 15 | 99 |
| Education | |||||
| No education (none) | 10,907 | 0.5450628 | 0.497988 | 0 | 1 |
| Primary (prim) | 10,907 | 0.2237095 | 0.4167487 | 0 | 1 |
| Secondary (sec) | 10,907 | 0.1937288 | 0.395237 | 0 | 1 |
| Superior (sup) | 10,907 | 0.0374989 | 0.1899895 | 0 | 1 |
| Socio-professional category (CSP) | |||||
| Upper management (cadreup) | 2718 | 0.0298013 | 0.1700701 | 0 | 1 |
| middle management (cadremoy) | 2718 | 0.1225166 | 0.3279418 | 0 | 1 |
| employee/skilledworker (emplouvq) | 2718 | 0.1795438 | 0.3838776 | 0 | 1 |
| employee/semi-skilled worker (emplousq) | 2718 | 0.2027226 | 0.4021015 | 0 | 1 |
| agricultural labourer (manoagr) | 2718 | 0.16078 | 0.3673955 | 0 | 1 |
| non-agricultural labourer (mannagr) | 2718 | 0.2030905 | 0.4023734 | 0 | 1 |
| Domestic (domest) | 2718 | 0.0592347 | 0.2361069 | 0 | 1 |
| Other | 2718 | 0.0423105 | 0.2013337 | 0 | 1 |
| Marital status (etatciv) | |||||
| Marie | 10,907 | 0.6041991 | 0.4890444 | 0 | 1 |
| Celibat | 10,907 | 0.3958009 | 0.4890444 | 0 | 1 |
| Sector of activity (sector1) | |||||
| formal sector (sectform) | 10,907 | 0.053727 | 0.2254884 | 0 | 1 |
| informal sector (sectinf) | 10,907 | 0.946273 | 0.2254884 | 0 | 1 |