Document Detail


Reproducibility and validity of coffee and tea consumption in Italy.
MedLine Citation:
PMID:  15042137     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: The reproducibility and validity of coffee, decaffeinated coffee and tea intake has not been adequately studied, particularly in Italy, where coffee drinking is peculiar in terms of type and amount of coffee consumed. DESIGN: We compared coffee and tea consumption, measured by two interviewer-administered food frequency questionnaires (FFQ), with average intake derived from two 7-day dietary (DD) records (the reference method) on 395 volunteers. The Pearson correlation coefficients (r) were used to assess both reproducibility and validity of information on coffee intake. RESULTS: A satisfactory level of reproducibility and validity of the pattern consumption was observed for coffee, decaffeinated coffee and tea. The reproducibility for both sex combined showed r of 0.74-0.78 for coffee, 0.57-0.65 for decaffeinated coffee and 0.61-0.67 for tea. The validity was about 0.70 for coffee, around 0.58 for decaffeinated coffee and 0.56-0.60 for tea intake. CONCLUSIONS: The FFQ is a satisfactorily reliable and valid instrument for collecting information on coffee, decaffeinated coffee and tea intake.
Authors:
M Ferraroni; A Tavani; A Decarli; S Franceschi; M Parpinel; E Negri; C La Vecchia
Related Documents :
22425597 - Rimonabant abolishes sensitivity to workload changes in a progressive ratio procedure.
11906587 - Cultural differences in assessing dietary intake and providing relevant dietary informa...
18547447 - Validation of an ffq to assess dietary protein intake in type 2 diabetic subjects atten...
3598037 - Collection of food intake data: an evaluation of methods.
23412667 - Facial expressions in common marmosets (callithrix jacchus) and their use by conspecifics.
8454397 - The mind of the analyst: from listening to interpretation.
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European journal of clinical nutrition     Volume:  58     ISSN:  0954-3007     ISO Abbreviation:  Eur J Clin Nutr     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-03-25     Completed Date:  2004-07-26     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8804070     Medline TA:  Eur J Clin Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  674-80     Citation Subset:  IM    
Affiliation:
Dipartimento di Medicina, Chirurgia e Odontoiatria, Università di Milano, Polo San Paolo, Milano, Italy.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Adult
Age Distribution
Body Mass Index
Coffee*
Diet Surveys
Educational Status
Epidemiologic Methods
Female
Food Habits*
Humans
Italy / epidemiology
Male
Middle Aged
Questionnaires
Reproducibility of Results
Sex Distribution
Tea*
Chemical
Reg. No./Substance:
0/Coffee; 0/Tea

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


Previous Document:  The effect of grape-seed extract on 24 h energy intake in humans.
Next Document:  Prevalence and severity of anemia and iron deficiency: cross-sectional studies in adolescent schoolg...