A systematic review of randomized trials on the effectiveness of computer-tailored education on physical activity and dietary behaviors

W. Kroeze, A.M. Werkman, J. Brug

Research output: Contribution to journalArticleAcademicpeer-review

412 Citations (Scopus)

Abstract

Although computer-tailored promotion of dietary change and physical activity has been identified as a promising intervention strategy, there is a need for a more systematic evaluation of the evidence. Purpose: This study systematically reviews the scientific literature on computer-tailored physical activity and nutrition education. Methods: Intervention studies published from 1965 up to September 2004 were identified through a structured search in PubMed, PsycInfo, and Web of Science and an examination of reference lists of relevant publications. Studies were included that applied a pretest¿posttest randomized-controlled trial design, were aimed at primary prevention among adults, used computer-tailored interventions to change physical activity and dietary behaviors, and were published in English. The search resulted in 30 publications¿11 on physical activity behaviors and 26 on nutrition behaviors, some studies investigated multiple behaviors. Results: Three of 11 of the physical activity studies and 20 of 26 of the nutrition studies found significant effects of the tailored interventions. The evidence was most consistent for tailored interventions on fat reduction. Conclusions: Overall, there seems to be potential for the application of computer tailoring for promoting healthy diets, but more research is needed to test computer-tailored interventions against other state-of-the-art intervention techniques and to identify the mechanisms underlying successful computer tailoring.
Original languageEnglish
Pages (from-to)205-223
JournalAnnals of behavioral medicine
Volume31
Issue number3
DOIs
Publication statusPublished - 2006

Keywords

  • promotion interventions work
  • receiving food assistance
  • reduce fat intake
  • base-line survey
  • nutrition education
  • vegetable intake
  • transtheoretical model
  • information-system
  • united-states
  • primary-care

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