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Energy balance
The reproducibility of the questionnaire was assessed with Pearson correlation coefficients ranging from 0.51 for saturated fat to 0.88 for alcohol.
The questionnaire shows good reproducibility for various nutrients, which is important for dietary assessments.
StrongSupportsmedium confidence
Pearson correlation coefficients ranged from 0.51 for saturated fat to 0.88 for alcohol.
Why this rating
Based on the statistical analysis presented 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
More from this paper
- 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.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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