| Variables | Signification |
| lnsaliaire (dependent) | Logarithm of the wage from the main job |
| Sexe | Determines the gender of individuals (gender: 0 male; gender 1: female) |
| Age | Age of respondents |
| Education | Educational level of individuals (no education, primary, secondary and higher education) |
| Expe | Work experience |
| Etatciv | Marital status (civil, religious, customary, cohabiting, divorced, separated, widowed, never married) |
| secteur1 | Sector of activity of agricultural or non-agricultural employees (informal or formal sector) or institutional sector |
| milieu1 | Place of residence (urban or rural) or place of work |
| Hortravail | Total number of hours spent at work |
| CSP | Socio-professional category (senior manager, middle manager, semi-skilled worker, non-agricultural laborer, agricultural laborer, domestic worker, other) |
| Sectemploi | The enterprise or unit in which the respondents (employees) carry out their main activity (public administration, public or parapublic enterprise, farm, international organization, cooperative, household) |
| Typecontrat | Type of contract used in the main activity (formal contract: fixed-term contract and permanent contract, informal contract: verbal, no contract) |
| Formre | Form of remuneration: fixed salary (either monthly or fortnightly), paid by task, paid by commission or by profit |
| Aucunniv | Respondent has no education |
| Prim | Respondent has a primary level of education |
| Second | Respondent at secondary level |
| Sup | Respondent has a higher level of education |
| Sectform | Respondent works in the formal sector |
| Sectinfor | Respondent works in the informal sector |
| Cadresup | Individual is a senior manager |
| Emplouvq | Respondent is a skilled worker |
| Manoagr | The respondent is an agricultural laborer |
| Urbain | The respondent lives in an urban area |
| Rural | The respondent lives in an urban area |