Reducing obesity through effective behaviour change interventions is of key importance to prevent disabling and life-threatening conditions, particularly in individuals already at risk for morbidity. Purpose:
To assess the effects of behavioural interventions for obese adults with additional risk factors for morbidity on behaviour, weight and disease risk factors. Methods:
Systematic review of randomised controlled trials (RCTs). Three electronic databases and three journals were searched for behavioural interventions (aimed at changing dietary intake and/or physical activity (PA)) for adults (mean BMI ≧30 kg/m2
; mean age ≧40 years) with risk factors for morbidity, reporting follow-up data ≧12 weeks. Results:
44 RCTs met the inclusion criteria. Behavioural outcomes, weight loss, and cardiovascular disease risk factors showed consistent modest improvements over time, especially for interventions targeting both diet and PA. Conclusion:
Behavioural interventions in at-risk populations showed positive effect tendencies on behaviour, weight, and disease risk factors. However, there is still ample room for improvement, and future research should focus on identifying the most effective means of inducing dietary and PA behaviour change in this vulnerable population.
Dr Stephan Dombrowski, Aberdeen Health Psychology Group, Health Services Research Unit, University of Aberdeen, 3rd Floor, Health Sciences Building, Forester Hill, Aberdeen AB25 2ZD, UK, Tel. +44 1224 55-4580, Fax +-9713, firstname.lastname@example.org
Published online: December 14, 2010
Number of Print Pages : 20
Obesity Facts (The European Journal of Obesity)
Vol. 3, No. 6, Year 2010 (Cover Date: December 2010)
Journal Editor: Hebebrand J. (Essen)
ISSN: 1662-4025 (Print), eISSN: 1662-4033 (Online)
For additional information: http://www.karger.com/OFA
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