Daily and momentary mood and stress are associated with binge eating and vomiting in bulimia nervosa patients in the natural environment
Daily and momentary mood and stress are associated with binge eating and vomiting in bulimia nervosa patients in the natural environment
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DOI：
10.1037/0022-006x.75.4.629
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发表时间：
2007-08-01
影响因子：
5.9
通讯作者：
Engel, Scott G.
中科院分区：
文献类型：
--
作者：
Smyth, Joshua M.;Heron, Kristin E.;Engel, Scott G.
采用实时数据收集的方法，研究了神经性贪食症（BN）患者在自然环境中情绪和压力与暴饮暴食和呕吐的关系。女性（n = 131;平均年龄= 25.3岁）与BN进行了2周的掌上电脑，并完成了积极影响（PA）的评级。负面情绪（NA）、愤怒/敌意（AH）和压力（STRS）;他们还表示每天6次的暴饮暴食或呕吐发作（BN事件）。使用混合模型比较BN事件发生时的情绪和STRS。日间分析表明，与没有BN事件的日子相比，暴饮暴食和呕吐的日子都显示出更少的PA、更高的NA、更高的AH和更大的STRS。一天内，PA降低，NA和AH增加，可靠地先于BN事件。相反，BN事件后PA增加，NA和AH降低。演示的时间顺序的影响，STRS，BN事件与一个大的BN样本可能有助于推进理论和临床实践，并支持的观点，狂欢和清洗事件持有负面强化性能的女性BN。
The relation of mood and stress to binge eating and vomiting in the natural environments of patients with bulimia nervosa (BN) was examined using real-time data collection. Women (n = 131; mean age = 25.3 years) with BN carried a palmtop computer for 2 weeks and completed ratings of positive affect (PA). negative affect (NA), anger/hostility (AH), and stress (STRS); they also indicated binge or vomit episodes (BN-events) 6 times each day. Mixed models were used to compare mood and STRS between and within days when BN-events occurred. Between-days analyses indicated that binge and vomit days both showed less PA, higher NA, higher AH, and greater STRS than days with no BN-events. Within-day, decreasing PA, and increasing NA and AH, reliably preceded BN-events. Conversely, PA increased, and NA and AH decreased following BN-events. Demonstration of the temporal sequencing of affect, STRS, and BN-events with a large BN sample may help advance theory and clinical practice, and supports the view that binge and purge events hold negatively reinforcing properties for women with BN.