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Discovering the causes of cancer and the means of prevention

Dietary Supplement Use - Short-Form Self-Admin Questionnaire

Questionnaire Topic: 

Use of Dietary Supplements 

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: 

Short 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. 

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