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Comparative Study
. 1979 Jun;74(6):656-9.

Nutrient estimates from computerized questionnaires vs. 24-hr. recall interviews

I F Hunt, L S Luke, N J Murphy, V A Clark, A H Coulson
  • PMID: 447970
Comparative Study

Nutrient estimates from computerized questionnaires vs. 24-hr. recall interviews

I F Hunt et al. J Am Diet Assoc. 1979 Jun.

Abstract

A computerized nutritional assessment service used by dentists was investigated. Daily nutrient intake of forty-six adult subjects was estimated from replies to a computerized food frequency questionnaire and the results compared with the average nutrient intakes of the same individuals obtained during five 24-hr. dietary recall interviews. Although the two methods produced essentially the same mean for carbohydrate intake and a minimal difference in the mean caloric values, mean estimates of the other nutrients were 6 to 88 per cent greater with the computerized data than via the dietary recalls. The dietary assessment service included unwarranted recommendations for vitamin and mineral supplementation.

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