饮食失调量表-C的因子结构。
Factor structure of the Eating Disorder Inventory-C.
作者信息
Eklund Katja, Paavonen E Juulia, Almqvist Fredrik
机构信息
Department of Child Psychiatry, University of Helsinki, Helsinki, Finland.
出版信息
Int J Eat Disord. 2005 May;37(4):330-41. doi: 10.1002/eat.20097.
OBJECTIVE
The Eating Disorder Inventory-C (EDI-C) is a multidimensional self-report questionnaire for children and adolescents used to characterize differences in the symptoms of eating disorders. It is based on the EDI-2 questionnaire, which is designed for adults. Although the psychometric properties of the EDI and EDI-2 have been well characterized, no studies exist on the EDI-C. Thus, we aimed to establish the factor structure of the EDI-C questionnaire among children.
METHOD
A nonclinical sample of 898 children aged 9-16 years completed the EDI-C questionnaire at school.
RESULTS
Instead of the original 11-factor structure of the EDI-2, 5 factors with high reliability were extracted when 27 items with low communality were removed from analysis.
DISCUSSION
When the EDI-C is used, the reliability of the original 11 factors may be low. A modified subscale structure with five factors is proposed.
目的
饮食失调问卷儿童版（EDI-C）是一份用于儿童和青少年的多维自陈问卷，旨在描述饮食失调症状的差异。它基于为成年人设计的EDI-2问卷。尽管EDI和EDI-2的心理测量特性已得到充分描述，但尚无关于EDI-C的研究。因此，我们旨在确定EDI-C问卷在儿童中的因子结构。
方法
一个由898名9至16岁儿童组成的非临床样本在学校完成了EDI-C问卷。
结果
当从分析中剔除27个共同度较低的项目时，提取出了5个可靠性较高的因子，而非EDI-2原有的11因子结构。
讨论
使用EDI-C时，原11个因子的可靠性可能较低。我们提出了一个具有五个因子的改良子量表结构。
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