Planning to lose weight: Randomized controlled trial of an implementation intention prompt to enhance weight reduction among overweight and obese women
Planning to lose weight: Randomized controlled trial of an implementation intention prompt to enhance weight reduction among overweight and obese women
复制标题
DOI：
10.1037/0278-6133.26.4.507
复制
发表时间：
2007-07-01
影响因子：
4.2
通讯作者：
Abraham, Charles
中科院分区：
文献类型：
--
作者：
Luszczynska, Aleksandra;Sobczyk, Anna;Abraham, Charles
目的：本试验研究了在既定的减肥干预措施基础上增加实施意向提示的效果。设计图：55超重或肥胖妇女（年龄18至76岁，体重指数从25.28至48.33）参加了一个商业减肥计划被随机分配到一个实施意图提示或控制条件。数据收集了两次，时间间隔为2个月。主要结果测量：主要结果是参与者从干预前到随访期间体重和体重指数的变化。结果如下：重复测量的方差分析显示了一个显着的时间X条件的相互作用：平均而言，实施意图提示参与者失去了4.2公斤（95%置信区间= 3.19，5.07），而控制参与者失去了2.1公斤（95%置信区间= 1。11，3.09）。计划频率的变化介导了干预对体重和体重指数变化的影响。结论：在参与商业减肥计划的肥胖或超重女性中，那些学会形成实施意图的人可以实现更大的减肥。规划促进是一个关键的机制，解释增强减肥产生的实施意图的形成。
Objective: The trial investigates the effects of augmenting an established weight-reduction intervention with implementation intention prompts. Design: Fifty-five Overweight or obese women (ages 18 to 76 years; body mass index from 25.28 to 48.33) enrolled in a commercial weight reduction program were randomly assigned to either an implementation intention prompt or a control condition. Data were collected twice, with a time gap of 2 months. Main Outcome Measures: The primary outcome was participants' change in weight and body mass index from preintervention to follow-up. Results: Repeated measures analysis of variance revealed a significant Time X Condition interaction: On average, implementation intention prompt participants lost 4.2 kg (95% confidence interval = 3.19, 5.07), whereas control participants lost 2.1 kg (95% confidence interval = 1. 11, 3.09). The change in frequency of planning mediated the effects of the intervention on weight and body mass index change. Conclusion: Among obese or overweight women participating in a commercial weight loss program, those who learn to form implementation intentions can achieve greater weight reduction. Planning facilitation is a key mechanism explaining enhanced weight loss generated by implementation intention formation.