期刊
PREVENTIVE MEDICINE
卷 47, 期 6, 页码 593-599出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ypmed.2008.08.008
关键词
Lifestyle change intervention; Non-dieting; Relaxation response; Maintenance; Prevention of weight gain; Wellbeing
资金
- Bristol-Myers Squibb
- Laurenson Award
- Otago University
Objective. To compare three non-dieting interventions that focused on lifestyle change rather than weight loss, in terms of the sustainability of improvements in lifestyle behaviors, psychological well-being and medical symptoms at 2 years. Method. In Dunedin, New Zealand in 2002/2003, 225 obese/overweight women (BMI >= 28; 25-68 years) participated in a randomised, intention-to-treat trial comparing two group programs (P1, P2) and a self-guided mail-delivered program (P3). Only P1 included intensive relaxation response training. All three non-dieting interventions involved a 10-week program, followed by an eight-month support phase. Participants completed baseline, 1-year and 2-year assessments. Outcomes included behavioral, psychological and medical symptom measures and a composite success score. Results. 118 participants completed the 2-year follow-up. Only among P1 participants were the reductions in psychological distress and medical symptoms achieved at 1 year, also maintained at 2 years. At 2 years, P1 participants had significantly greater increases in stress management behaviors than those in P2 (p<0.05), and significantly greater success scores than those in P3 (p<0.05). In all three programs, mean weight was unchanged at 2 years. Conclusion. Inclusion of relaxation response training in a healthy lifestyle program facilitates long-term maintenance of psychological and medical symptom improvements even in the absence of weight loss. (C) 2008 Elsevier Inc. All right reserved.
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