School of Biomedical and Health Sciences, University of Western Sydney, Campbelltown, New South Wales, Australia.
J Adolesc Health. 2011 Apr;48(4):373-8. doi: 10.1016/j.jadohealth.2010.07.022. Epub 2010 Sep 25.
We tested the hypothesis that, at two different stages of adolescence, impairment in emotional well-being associated with obesity is mediated by body dissatisfaction (BD).
Self-reported measures of BD, emotional well-being (self-esteem, depressive mood), height and weight, and socio-demographic information were completed by the same female (n = 366) and male (n = 440) participants during early (mean age = 12.8 years) and late (17.3 years) adolescence. For each measure and at each time point, the hypothesis of mediation was tested using the methods suggested by Baron and Kenny (1986).
The conditions of complete mediation were satisfied in all the six cases for which an effect of obesity on emotional well-being was observed. That is, in each of these cases, obesity was no longer associated with lower self-esteem or with higher depressive mood after the effects of BD were statistically controlled. Among females, there was no association between obesity and depressive mood at either time point.
Impairment in the emotional well-being of overweight adolescents, where this is observed, may be primarily due to the effects of weight-related BD. This appears to be the case for both boys and girls and during both early and late adolescence. The findings are consistent with the view that BD is central to the health and well-being of children and adolescents who are overweight and that distress associated with negative body image may warrant greater attention in the context of obesity prevention and treatment programs.
我们检验了这样一个假设，即在青春期的两个不同阶段，与肥胖相关的情绪健康受损是通过身体不满（BD）来介导的。
通过相同的女性（n=366）和男性（n=440）参与者在早期（平均年龄=12.8 岁）和晚期（17.3 岁）青春期自我报告的身体不满、情绪健康（自尊、抑郁情绪）、身高和体重以及社会人口统计信息来完成。对于每个测量指标和每个时间点，使用 Baron 和 Kenny（1986）提出的方法来检验中介的假设。
在观察到肥胖对情绪健康有影响的所有六个案例中，完全中介的条件都得到了满足。也就是说，在这些案例中的每一个案例中，在统计控制了 BD 的影响后，肥胖与较低的自尊或较高的抑郁情绪之间不再存在关联。在女性中，在两个时间点肥胖都与抑郁情绪无关。
超重青少年情绪健康受损，可能主要是由于与体重相关的 BD 所致。这似乎适用于男孩和女孩，以及在早期和晚期青春期。这些发现与 BD 是超重儿童和青少年健康和幸福的核心观点一致，并且与负面身体形象相关的痛苦可能在肥胖预防和治疗计划中值得更多关注。
