Study title

The International Adult Literacy Survey (IALS) measured proficiency on three scales: prose literacy, document literacy, and quantitative literacy. In addition, also background information of participants were assessed: general information (e.g., age, sex, country of birth, language); education (e.g., highest educational achievement, current education, participation in training); current status and work history; current and recent work (e.g., profession, self-employment, and income); skill use (Literacy, Numeracy) at work. Background questionnaire: 1. General information: born in Germany; country of birth; highest level of schooling before immigration (ISCED); years of formal education completed; highest level of schooling completed (ISCED); second level program (academic/college preparatory, bunisiness (commercial) or trade/vorcational); reasons why the respondent stopped schooling; first language (mother tongue); forein language skills; language spoken at home; language in which the respondent can express himself most easily; information on respondent´s parents: born in Germany, highest level of schooling; 2. Information on current and recent employment: current work situation; employed in the past 12 months; year last worked; number of different employers in the past 12 months; full-time or part-time employment; reasons for working part-time; Major Heading International Standard Industrial Classification for the respondent’s primary employment(ISICR); Major Heading International Standard Classification of Occupations for the respondent’s primary occupation (ISCOR); size of business; employment status; hours worked per week; during the past 12 months: number of week worked at all jobs; wanted to work in the weeks without work; reasons why the respondent did not want to work; 3. Reading and writing at work: skill use at work (Literacy: e.g. letters or memos, reports, articles, magazines or journal, etc.); write or fill out as part of main job (letters or...