Document Detail

Combining nutrient intake from food/beverages and vitamin/mineral supplements.
MedLine Citation:
PMID:  21269014     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: To calculate total intake of a nutrient and estimate inadequate intake for a population, the amounts derived from food/beverages and from vitamin/mineral supplements must be combined. The two methods Statistics Canada has suggested present problems of interpretation.
DATA AND METHODS: Data collected from 34,386 respondents to the 2004 Canadian Community Health Survey-Nutrition were used to compare four methods of combining nutrient intake from food/beverages and vitamin/mineral supplements: adding average intake from supplements to the 24-hour food/beverage recall and estimating the usual distribution in the population (Method 1); estimating usual individual intake from food? beverages and adding intake from supplements (Method 2); and dividing the population into supplement users and non-users and applying Method 1 or Method 2 and combining the estimates based on the percentages of users and non-users (Methods 3 and 4).
RESULTS: Interpretation problems arise with Methods 1 and 2; for example, the percentage of the population with inadequate intake of vitamin C and folate equivalents falls outside the expected minimum-maximum range. These interpretation problems are not observed with Methods 3 and 4.
INTERPRETATION: Interpretation problems that may arise in combining food and supplement intake of a given nutrient are overcome if the population is divided into supplement users and non-users before Method 1 or Method 2 is applied.
Didier Garriguet
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Health reports     Volume:  21     ISSN:  0840-6529     ISO Abbreviation:  Health Rep     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2011-01-28     Completed Date:  2011-02-17     Revised Date:  2013-12-13    
Medline Journal Info:
Nlm Unique ID:  9012854     Medline TA:  Health Rep     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  71-84     Citation Subset:  IM    
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MeSH Terms
Beverages / statistics & numerical data*
Child, Preschool
Data Collection / methods
Dietary Supplements / statistics & numerical data*
Food / statistics & numerical data*
Mental Recall
Minerals / administration & dosage*
Nutrition Surveys
Self Report
Vitamins / administration & dosage*
Young Adult
Reg. No./Substance:
0/Minerals; 0/Vitamins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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