Research

Energy balance

Useful estimates of nutrient intake several years previously can be obtained by a relatively inexpensive, mailed, self-administered questionnaire.

Practitioners can use this questionnaire for cost-effective dietary assessments.

StrongSupportsmedium confidence
These findings demonstrate that useful estimates of nutrient intake several years previously can be obtained by a relatively inexpensive, mailed, self-administered questionnaire.
Walter C. Willett et al. · American Journal of Epidemiology · 1988

Why this rating

The study design supports the claim about the questionnaire's utility.

Source

THE USE OF A SELF-ADMINISTERED QUESTIONNAIRE TO ASSESS DIET FOUR YEARS IN THE PAST

Walter C. Willett et al. · American Journal of Epidemiology · 1988

DOI 10.1093/oxfordjournals.aje.a114780

other · n=150Cited 802×
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DOI resolved against Crossref · corpus check 2026-06-10

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