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Am J Public Health. 1998 Aug;88(8):1216-8.

Comparison of 4 questionnaires for assessment of fruit and vegetable intake.

Author information

  • 1Department of Medicine, Brigham and Women's Hospital, Boston, Mass., USA.

Abstract

OBJECTIVE:

This study compared fruit and vegetable assessments derived from 4 self-administered questionnaires.

METHODS:

Among 102 adolescents, servings of fruits and vegetables assessed by 4 questionnaires were compared with estimates from 24-hour recalls.

RESULTS:

The prevalence of consuming 5 or more servings of fruits and vegetables a day was underestimated by the questionnaires. Questionnaires asking subjects to recall their diet over the previous year were more effective in ranking subjects (r's > or = .42) than those assessing previous-day diet (r's > or = .30).

CONCLUSIONS:

Brief assessments of fruit and vegetable intake are more useful for ranking subjects than for estimating prevalence of consumption of 5 or more servings per day.

PMID:
9702152
[PubMed - indexed for MEDLINE]
PMCID:
PMC1508294
Free PMC Article
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