Research
Energy balance
The food frequency questionnaire developed for the study is fairly reproducible and provides a potentially reliable scale for categorizing individuals by level of past nutrient intake.
Practitioners can use this questionnaire to assess dietary intake in Spanish populations.
StrongSupportsmedium confidence
These results indicate that our Spanish questionnaire is fairly reproducible and provides a potentially reliable scale for categorizing individuals by level of past nutrient intake.
Why this rating
Based on the validation study design described in the abstract.
Source
Development and Validation of a Food Frequency Questionnaire in Spain
José M. Martin‐Moreno et al. · International Journal of Epidemiology · 1993
DOI 10.1093/ije/22.3.512
other · n=147Cited 930×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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- The reproducibility of the questionnaire was assessed with Pearson correlation coefficients ranging from 0.51 for saturated fat to 0.88 for alcohol.Strong
- The validity study showed correlation coefficients between diet records and the questionnaires ranging from r=0.20 for vitamin A to r=0.88 for alcohol.Strong
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