Original Article
International Journal of Obesity (2007) 31, 1270–1276; doi:10.1038/sj.ijo.0803568; published online 27 February 2007
Comparison of a phone vs clinic approach to achieve 10% weight loss
J E Donnelly1, B K Smith1, L Dunn1, M M Mayo2, D J Jacobsen3, E E Stewart4, C Gibson5 and D K Sullivan6
- 1Energy Balance Lab and Center for Physical Activity, Nutrition, and Weight Management, Schiefelbusch Institute for Life Span Studies, University of Kansas, Lawrence, KS, USA
- 2Department of Preventative Medicine and Public Health, Center for Biostatistics and Advanced Informatics, University of Kansas School of Medicine, Kansas City, KS, USA
- 3Global Medical Affairs, Schering-Plough Pharmaceuticals, Kennilworth, NJ, USA
- 4TransforMED, American Academy of Family Physicians, Leawood, KS, USA
- 5Department of Internal Medicine, University of Kansas School of Medicine, Kansas City, KS, USA
- 6Department of Dietetics and Nutrition, University of Kansas School of Medicine, Kansas City, KS, USA
Correspondence: Dr JE Donnelly, Center for Physical Activity and Weight Management, Schiefelbusch Institute for Life Span Studies, University of Kansas, 1301 Sunnyside Ave, Robinson, RM 100, Lawrence, KS 66045, USA. E-mail: jdonnelly@ku.edu
Received 1 September 2006; Revised 29 November 2006; Accepted 21 December 2006; Published online 27 February 2007.
Abstract
Objective:
To compare the efficacy of a phone vs a traditional face-to-face clinic approach to achieve 10% weight loss and weight maintenance.
Design:
Twenty-six week, randomized, controlled trial.
Subjects:
Twenty-four men and 72 women, ages 25–68 years, with a body mass index (BMI) of 33.2
3.8.
Measurements:
Weight loss at 12 weeks and weight maintenance at 26 weeks were the primary outcomes. Attendance, meal replacements (MRs), fruits/vegetables (F/V), and physical activity (PA) were measured weekly for process evaluation.
Results:
Median weight loss (range) from baseline at 12 weeks was significantly different for phone at 10.6 kg (16.6) or 10.4% and clinic at 12.7 kg (19.9) or 13.7%, and both were significantly different when compared with the control group with a weight loss of 0.25 kg (5.6) or 0.24%. Median weight loss at 26 weeks was 12.8 kg (23.4) or 13.0% from baseline for the phone group and 12.5 kg (35.2) or 12.6% from baseline for the clinic group (P>0.05).
Conclusion:
The median weight loss for both phone and clinic groups at 12 and 26 weeks exceeded the NHLBI guideline of 10% weight loss from baseline. The phone approach may be a viable option to the traditional weight management clinic for both service providers and participants.
Keywords:
weight management, meal replacements, diet, exercise
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