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The Impact of Computer-Tailored Feedback and Iterative Feedback on Fat, Fruit, and Vegetable Intake

Brug, Johannes, Glanz, Karen, Van Assema, Patricia, Kok, Gerjo, van Breukelen, Gerard J. P.·1998·Health Education & Behavior

Abstract

A randomized trial was conducted to study the impact of individualized computer-generated nutrition information and additional effects of iterative feedback on changes in intake of fat, fruits, and vegetables. Respondents in the experimental group received computer-generated feedback letters tailored to their dietary intake, intentions, attitudes, self-efficacy expectations, and self-rated behavior. After the first feedback letter, half of the experimental group received additional iterative feedback tailored to changes in behavior and intentions. The control group received a single general nutrition information letter in a format similar to the tailored letters. Computer-tailored feedback had a significantly greater impact on fat reduction and fruit and vegetable intake than did general information. Iterative computer-tailored feedback had an additional impact on fat intake. The results confirm that computer-generated individualized feedback can be effective in inducing recommended dietary changes and that iterative feedback can increase the longer term impact of computertailored nutrition education on fat reduction.

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Metadata

Authors
Brug, J., Glanz, K., Van Assema, P., Kok, G., & van Breukelen, G. J. P.
Venue
Health Education & Behavior
Published
1998-08
Volume
25
Issue
4
Pages
517-531
ISSN
  • 1090-1981 (ISSN-L)
  • 1552-6127
OpenAlex
W2127924641
Cited by
268
References
2
FWCI
26.70
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The Impact of Computer-Tailored Feedback and Iterative Feedback on Fat, Fruit, and Vegetable Intake. https://app.cochat.ai/papers/10.1177/109019819802500409
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Brug, J., Glanz, K., Van Assema, P., Kok, G., & van Breukelen, G. J. P. (1998). The Impact of Computer-Tailored Feedback and Iterative Feedback on Fat, Fruit, and Vegetable Intake. Health Education & Behavior. https://doi.org/10.1177/109019819802500409

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