Motivational interviewing in medical care settings: A systematic review and meta-analysis of randomized controlled trials Academic Article uri icon

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abstract

  • OBJECTIVE: Motivational Interviewing (MI) is a method for encouraging people to make behavioral changes to improve health outcomes. We used systematic review and meta-analysis to investigate MI's efficacy in medical care settings. METHODS: Database searches located randomized clinical trials that compared MI to comparison conditions and isolated the unique effect of MI within medical care settings. RESULTS: Forty-eight studies (9618 participants) were included. The overall effect showed a statistically significant, modest advantage for MI: Odd ratio=1.55 (CI: 1.40-1.71), z=8.67, p<.001. MI showed particular promise in areas such as HIV viral load, dental outcomes, death rate, body weight, alcohol and tobacco use, sedentary behavior, self-monitoring, confidence in change, and approach to treatment. MI was not particularly effective with eating disorder or self-care behaviors or some medical outcomes such as heart rate. CONCLUSION: MI was robust across moderators such as delivery location and patient characteristics, and appears efficacious when delivered in brief consultations. PRACTICE IMPLICATIONS: The emerging evidence for MI in medical care settings suggests it provides a moderate advantage over comparison interventions and could be used for a wide range of behavioral issues in health care.

authors

  • Lundahl, Brad
  • Moleni, Teena
  • Burke, Brian L
  • Butters, Robert
  • Tollefson, Derrik
  • Butler, Christopher
  • Rollnick, Stephen

publication date

  • November 2013