The transtheoretical model as applied to dietary behaviour and outcomes

Leslie Spencer, Christopher Wharton, Sheila Moyle, Troy Adams

Research output: Contribution to journalReview articlepeer-review

44 Scopus citations

Abstract

The transtheoretical model (TTM) is a behavioural theory that describes behaviour change as occurring in five stages, ranging from precontemplation to maintenance. The purpose of the present paper is to review and synthesise the literature published since 1999 on applications of the TTM to dietary behaviour so that the evidence for the use of assessment tools and interventions based on this model might be evaluated. Six databases were identified and searched using combinations of key words. Sixty-five original, peer-reviewed studies were identified and summarised in one of three tables using the following categories: population (n 21), intervention (n 25) and validation (n 19). Internal validity ratings were given to each intervention, and the body of intervention studies as a whole was rated. The evidence for using stage-based interventions is rated as suggestive in the areas of fruit and vegetable consumption and dietary fat reduction. Valid and reliable staging algorithms are available for fruit and vegetable consumption and dietary fat intake, and are being developed for other dietary behaviours. Few assessment tools have been developed for other TTM constructs. Given the popularity of TTM-based assessments and interventions, more research is warranted to identify valid and reliable assessment tools and effective interventions. While the evidence supports the validity of the TTM to describe populations and to form interventions, evidence of the effectiveness of TTM-based interventions is not conclusive.

Original languageEnglish (US)
Pages (from-to)46-73
Number of pages28
JournalNutrition Research Reviews
Volume20
Issue number1
DOIs
StatePublished - Jun 2007
Externally publishedYes

Keywords

  • Dietary behaviour
  • Nutrition behaviour
  • Transtheoretical model
  • Weight management

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Fingerprint

Dive into the research topics of 'The transtheoretical model as applied to dietary behaviour and outcomes'. Together they form a unique fingerprint.

Cite this