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Questionnaire Topic: 

Food Frequency Questionnaire -- American Diet 

Study Title: 

Diet History Questionnaire 

Keywords: 

N/A

Principal Investigator(s): 

A. Subar 

Type of Questionnaire: 

Self-administered optical scan 

Last Year of Data Collection: 

2000 

Short/Long Form: 

Long Form 

Citation(s): 

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. 

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