PURPOSE:Determine if a "nondieting" intervention focused on intensive training in eliciting the relaxation response enhances health outcomes compared with nondieting interventions without such training. DESIGN:Randomized trial with follow-up at 10 weeks, 4 months, and 12 months. SETTING:General community. SUBJECTS:Total of 225 overweight and obese women with at least one other cardiovascular risk factor. INTERVENTIONS:Three 10-week nondieting interventions: a group program (P1) focused on intensive training in techniques for eliciting the relaxation response (n = 60), a group program (P2) focused on healthy eating and physical activity (n = 61), and a self-guided, mail-delivered version of P2 (P3; n = 101). MEASURES:The Revised Symptom Checklist measured psychological distress, the Medical Symptoms Checklist measured the experience of medical symptoms, and the Health-Promoting Lifestyle Profile measured a range of lifestyle behaviors. Self-efficacy for low-fat eating intuitive eating, and body mass index were also assessed. ANALYSIS:An intention-to-treat analysis was used. RESULTS:At 12 months, P1 produced statistically greater improvements in stress management behaviors and medical symptom discomfort and was the only program to significantly improve self-efficacy for low-fat eating. In P1, the effect sizes for reductions in depression (0.75) and interpersonal sensitivity (0.85) were large. At 12 months, mean weight was unchanged. CONCLUSION:Inclusion of intensive relaxation response training in a nondieting program for overweight women enhanced stress management and medical symptoms outcomes but not weight outcomes.

译文

目的:确定与不进行此类训练的非减肥干预措施相比,“非减肥”干预是否专注于强化训练以引起放松反应,从而改善健康结果。
设计:随机对照试验,在10周,4个月和12个月时进行随访。
地点:一般社区。
研究对象:总共225名超重和肥胖妇女中至少有其他心血管危险因素。
干预措施:三项为期10周的非节食干预措施:小组课程(P1)专注于引起放松反应的技术强化训练(n = 60),小组课程(P2)专注于健康饮食和体育锻炼(n = 61) ,以及P2的自指导邮件交付版本(P3; n = 101)。
措施:修订后的症状清单测量了心理困扰,医学症状清单测量了医学症状的经历,健康促进生活方式概况测量了一系列生活方式。还评估了低脂饮食直觉饮食的自我效能和体重指数。
分析:使用意向治疗分析。
结果:在第12个月时,P1在压力管理行为和医学症状不适方面产生了统计学上更大的改善,并且是唯一显着提高低脂饮食自我效能的计划。在P1中,减少抑郁症的效果大小(0.75)和人际敏感性(0.85)大。在12个月时,平均体重没有变化。
结论:将超重女性的强化放松反应训练纳入一项非节食计划中可增强压力管理和医学症状结果,但不能改善体重结果。

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