Prospective cohort studies are powerful tools in nutrition, though they can’t tell us about cause. Subscribe to Nourishable at    / @nourishable  

Semi-quantitative Food Frequency Questionnaire from the Health Professionals Follow Up Study https://cdn1.sph.harvard.edu/wp-conte...

Check out our whole nutrition study design series:    • Hierarchy of Evidence Series  
Hierarchy of Evidence Overview:    • How to Study Studies, Explained by a ...  
Cross-Sectional Studies:    • Cross-Sectional Studies are Snapshots...  
Case-Control Studies:    • Case-Control Studies Look Backwards i...  
Randomized Controlled Trials:    • Randomized Controlled Trials Tell Us ...  
Meta-Analyses: coming soon!    • Meta-Analysis, A Study of Studies | H...  

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00:00 Intro
00:12 What is a prospective cohort study?
00:42 What is a cohort?
01:31 Soda and type 2 diabetes prospective cohort study example
02:22 1986 Food Frequency Questionnaire
04:03 1996 Food Frequency Questionnaire
05:52 2006 Food Frequency Questionnaire
06:48 Results
07:25 Weaknesses of Prospective Cohort Studies
08:21 Issues with Food Frequency Questionnaires
10:31 Confounders
12:00 Prospective cohort studies in the hierarchy of evidence

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Actors: Patrice Nicole Doherty, Don Smith-Weiss

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Opening Motion Graphics by Jay Purugganan https://www.c9studio.com/WP/

The information in this video is not intended or implied to be a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images and information, contained on or available through this video is for general information purposes only.

Script with in-text citations: bit.ly/43GC8WE

References
de Koning L, Malik VS, Rimm EB, Willett WC, Hu FB. Sugar-sweetened and artificially sweetened beverage consumption and risk of type 2 diabetes in men. Am J Clin Nutr. 2011;93: 1321–1327. https://www.ncbi.nlm.nih.gov/pmc/arti...
https://sites.sph.harvard.edu/hpfs/

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