运动依赖作为运动与饮食失调关系的中介因素：一项初步研究。
Exercise dependence as a mediator of the exercise and eating disorders relationship: a pilot study.
作者信息
Cook Brian, Hausenblas Heather, Crosby Ross D, Cao Li, Wonderlich Stephen A
机构信息
Neuropsychiatric Research Institute, United States; University of North Dakota School of Medicine and Health Sciences, United States.
Jacksonville University, United States.
出版信息
Eat Behav. 2015 Jan;16:9-12. doi: 10.1016/j.eatbeh.2014.10.012. Epub 2014 Nov 1.
OBJECTIVE
Excessive exercise is a common feature of eating disorders (ED) and is associated with earlier ED onset, more ED symptoms, and higher persistence of ED behavior. Research indicates that exercise amount alone is not associated with ED. The purpose of this study was to investigate pathological attitudes and behaviors related to exercise (e.g., exercise dependence) as a mediator of the exercise and ED relationship.
METHOD
Participants were 43 women with an ED who completed measures of ED symptoms, exercise behavior, and exercise dependence. Analyses were conducted using the indirect bootstrapping method for examining mediation.
RESULTS
Exercise dependence mediated the relationship between exercise and ED. This mediation model accounted for 14.34% of the variance in the relationship.
DISCUSSION
Our results extend the literature by offering preliminary evidence of a psychological variable that may be a candidate for future interventions on the exercise and ED relationship. Implications and suggestions for future research are discussed.
目的
过度运动是饮食失调（ED）的一个常见特征，且与饮食失调的更早发作、更多饮食失调症状以及饮食失调行为的更高持续性相关。研究表明，仅运动量与饮食失调并无关联。本研究的目的是调查与运动相关的病理性态度和行为（如运动依赖）作为运动与饮食失调关系的一个中介因素。
方法
43名患有饮食失调的女性参与者完成了饮食失调症状、运动行为和运动依赖的测量。采用间接Bootstrapping法进行中介检验分析。
结果
运动依赖介导了运动与饮食失调之间的关系。该中介模型解释了该关系中14.34%的方差变异。
讨论
我们的研究结果扩展了文献，提供了一个心理变量的初步证据，该变量可能是未来针对运动与饮食失调关系进行干预的一个候选因素。文中讨论了对未来研究的启示和建议。
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