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Growing up in Hungary - Cohort ’18 Hungarian Birth Cohort Study. Technical report 2. Prenatal wave

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Growing up in Hungary - Cohort ’18 Hungarian Birth Cohort Study. Technical report 2. Prenatal wave

Edited by Laura Szabó

This volume presents the results of the Cohort ’18 Hungarian Birth Cohort Study as the third output in the research series. The first contained the theoretical, methodological and organizational tasks preceding the prenatal data collection wave. The second volume presented the theoretical background and the conceptualization of the Cohort ’18 Hungarian Birth Cohort Study. This third volume describes the methodology of the prenatal data collection wave and the technical background to the surveying and data processing. They present the sampling procedure, sample coverage and reliability of the raw data. This is followed by a summary and description of the documents and questionnaires used in the fieldwork, as well the quality control procedures. They also present the data recording, editing and cleaning process, and review the content of the different databases. Finally, they summarize the most important statistics of the fieldwork and the metadata of the survey and conclude with reviewing the research ethics guidelines.