The questionnaires on this website are protected by copyright. All rights are reserved. The contents and design of these forms may not be used in any way for commercial purposes without permission. In general, use of the questions for scientific research is allowed. Please cite the webpage with the questionnaire in the published research.
If you intend to use the food frequency questionnaire to collect dietary data that will be processed by our group, do not use copies from this website. You must obtain forms that can be scanned. For more information, please visit this website:
Pick from below to see the history of specific questions asked on the HPFS long forms over the years.
Click on the links below to view PDFs of questionnaires by year sent and format: