Document Detail

Comparability of dietary patterns assessed by multiple dietary assessment methods: results from the 1946 British Birth Cohort.
MedLine Citation:
PMID:  15523484     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The aim of this study is to evaluate the consistency of dietary patterns assessed through the use of a dietary recall and a 5-day food diary. DESIGN: Participants (n = 2265) of a longitudinal study of health and development completed 48-h dietary recall at interview, followed by a 5-day food diary and with the 24 h immediately preceding the interview analysed separately as a 24-h recall. Mean intakes of foods and nutrients were calculated and dietary patterns were assessed using exploratory factor analysis, using the method of principal components. Paired t-tests and correlation coefficients were used to compare the three dietary assessment methods. RESULTS: Five distinct dietary patterns were identified using the food diary and the 48-h recall but were less consistent on the 24-h recall. Correlations between factor scores on the 48-h recall and the food diary (r = 0.13-0.67) were higher than those between the 24-h recall and food diary (r = -0.01-0.59). The recall methods were effective at ranking subjects according to food and nutrient intakes, with the 48-h recall and food diary showing higher correlations in both males and females. CONCLUSIONS: This study indicates that a 48-h recall effectively characterises dietary patterns in British adults when compared to a food diary and ranks participants appropriately with respect to most nutrients and foods and is superior to a single 24-h recall. These results have implications for longitudinal studies where maximising response rates to repeat dietary assessment tools is essential.
S A McNaughton; G D Mishra; G Bramwell; A A Paul; M E J Wadsworth
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  European journal of clinical nutrition     Volume:  59     ISSN:  0954-3007     ISO Abbreviation:  Eur J Clin Nutr     Publication Date:  2005 Mar 
Date Detail:
Created Date:  2005-03-02     Completed Date:  2005-07-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8804070     Medline TA:  Eur J Clin Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  341-52     Citation Subset:  IM    
MRC Human Nutrition Research, Elsie Widdowson Laboratory, Cambridge, UK.
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MeSH Terms
Cohort Studies
Diet Records
Diet Surveys
Factor Analysis, Statistical
Food Habits*
Great Britain
Longitudinal Studies
Mental Recall
Middle Aged
Nutrition Assessment*

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