The present document has been produced and adopted by the bodies identified above as authors. This task has been carried out exclusively by the authors in the context of a contract between the European Food Safety Authority and the authors, awarded following a tender procedure. The present document is published complying with the transparency principle to which the Authority is subject. It may not be considered as an output adopted by the Authority. The European Food Safety Authority reserves its rights, view and position as regards the issues addressed and the conclusions reached in the present document, without prejudice to the rights of the authors.
The Hellenic Health Foundation received support from the European Food Safety Authority in order to organise a national nutrition survey according to the methodology described in the EFSA Guidance document and to collect food consumption and related information among 780 adolescents, adults and elderly residing permanently in Greece. The EFSA‐funded data collection was largely based on the protocol of a large scale Greek national nutrition and health survey, called HYDRIA. The present report describes this EFSA‐funded data collection in terms of: study population, tools used to record thdietary data, supplementary questionnaires to collect diet‐related information as well as personal characteristics of the study participants, anthropometric measurements, details of the study implementation and measures taken to assure data quality.