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Evid Based Nurs 2:83 doi:10.1136/ebn.2.3.83
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Individualised computer generated nutrition information plus iterative feedback reduced dietary fat and increased fruit and vegetable intake

(1998) Health Educ Behav 25, 517; Brug J, Glanz K, Van Assema P, . et al.. The impact of computer-tailored feedback and iterative feedback on fat, fruit, and vegetable intake.. Aug; . :. –31..


 
 Question Do individualised computer generated nutrition information and iterative feedback reduce dietary fat intake and increase fruit and vegetable intake?

Design

Randomised controlled trial.

Setting

The Netherlands.

Participants

Participants were recruited through newspaper and radio advertisements. 762 participants completed the baseline questionnaire. Follow up was 85% (n=646, mean age 44 y, 82% women).

Intervention

Participants were allocated to 1 of 3 groups, which differed by the type of nutrition information they received: a computer generated feedback letter individualised to the participant's dietary behaviour for fat, fruit, and vegetable intake and a second iterative feedback letter tailored to changes in dietary behaviour made after the first feedback letter (group 1, n=215); a computer generated feedback letter, which was the same as the one that group 1 participants received, without a second iterative feedback letter (group 2, n=211); and a general nutrition …

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