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Paper Information

Journal:   ARCHIVES OF IRANIAN MEDICINE   AUGUST 2013 , Volume 16 , Number 8; Page(s) 483 To 486.
 
Paper: 

THE STATE OF NUTRITIONAL EPIDEMIOLOGY: WHY WE ARE STILL UNSURE OF WHAT WE SHOULD EAT?

 
DOI: 

013168/AIm.0010

 
Author(s):  KAMANGAR FARIN*, KARIMI PARISA
 
* DEPARTMENT OF PUBLIC HEALTH ANALYSIS, SCHOOL OF COMMUNITY HEALTH AND POLICY, MORGAN STATE UNIVERSITY, PORTAGE AVENUE CAMPUS, ROOM 302, BALTIMORE, MD 21251
 
Abstract: 

Most people want to know how they can improve their health by implementation of a proper diet. Therefore nutritional epidemiology studies, which correlate the intake of specific nutrients, food items, or dietary patterns with health outcomes, receive substantial interest in the media. However, the results of many nutritional epidemiology studies have not been replicated in subsequent studies. This paper reviews the primary methodological problems in nutritional epidemiology that result in lack of replicability and inconsistency across studies. The problematic methodological issues include substantial measurement error, confounding, the variable effects of food items, variable reference groups, interactions, and multiple testing.

 
Keyword(s): CONFOUNDING, EPIDEMIOLOGY, MEASUREMENT ERROR, NUTRITION
 
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