Response options: Break off, Legal skip, Interviewer error, Refuse to answer, No education, Primary, either complete or incomplete, Secondary, either complete or incomplete, Vocational education at a specialized institution, either complete or incomplete, Incomplete higher education, Complete higher education
Response options: Legal skip, Interview started, Respondent not at home, Respondent refused, Respondent not at home and won't return during the fieldwork, Respondent not capable to complete interview due to health, Respondent not capable to complete interview due to language