Skip to Content
Discovering the causes of cancer and the means of prevention

Food Frequency - American Diet Long-form Questionnaire

The following questionnaire segment contains questions that have been used as part of DCEG or other epidemiologic studies. This segment has not necessarily been reviewed or analyzed by the Technical Evaluation Committee. Please view it as a starting point that can be adapted or improved upon as appropriate. Learn more about DCEG Questionnaire Development Resources.

Questionnaire Topic: 

Food Frequency Questionnaire -- American Diet 

Study Title: 

Diet History Questionnaire 



Principal Investigator(s): 

A. Subar 

Type of Questionnaire: 

Self-administered optical scan 

Last Year of Data Collection: 


Short/Long Form: 

Long Form 


Subar AF, Ziegler RG, Thompson FE, Johnson CC, Weissfeld JL, Reding D, Kavounis KH, Hayes RB. Is shorter always better? Relative importance of dietary questionnaire length and cognitive ease on response rates and data quality. Am J Epidemiol 2001;153:404-409. 

Subar AF, Thompson FE, Kipnis V, Midthune D, Hurwitz P, McNutt S, McIntosh A, Rosenfeld S. Comparative validation of the Block, Willett, and National Cancer Institute food frequency questionnaires: The Eating at America's Table Study (EATS). Am J Epidemiol 2001; In Press. 

Download Long-Form_Food_Frequency_American_Diet_questionnaire (Word, 339 KB)

Back to Non-alcoholic Beverage, Food, and Dietary Supplements

Learn more about DCEG Questionnaire Development Resources