快感缺失量表中文版在中国抑郁症患者中的信效度研究

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目的:评估快感缺失量表(Dimensional Anhedonia Rating Scale,DARS)中文版在中国抑郁症患者中应用的信度和效度。方法:纳入符合DSM-Ⅳ中抑郁症诊断标准的患者136例(患者组)和健康对照者30名(对照组),采用中文版DARS、17项汉密尔顿抑郁量表(Hamilton Depression Scale 17item,HAMDn 17)及医院焦虑抑郁量表(Hospital Anxiety and Depression Scale,HADS)对受试者进行评估,对中文版DARS的Cronbach ɑ系数、重测信度和验证性因素进行分析,并以HAMDn 17和HADS为金标准检验其校标效度。n 结果:中文版DARS的Cronbach α系数为0.97,各维度α系数为0.89~0.96;量表总分重测信度组内相关系数为0.97,各维度的重测信度组内相关系数为0.89~0.95 (均n P<0.01);中文版DARS结构模型的拟合指数χn 2/n df=2.02,GFI=0.88,RMSEA=0.08,CFI=0.96,TLI=0.96;中文版DARS总分及各维度评分与HAMDn 17的第7个条目(工作和活动)、HADS的5个条目评分均为负相关(n r=-0.38~-0.52、-0.57~-0.75,均n P<0.01);患者组中文版DARS总分及各维度评分与对照组比较差异均有统计学意义。n 结论:中文版DARS在抑郁症患者中应用的信度、结构效度和区分效度均符合心理测量学要求,该量表可用于评估我国抑郁症患者的快感缺失症状维度。“,”Objective:To investigate the reliability and validity of the Chinese Version of Dimensional Anhedonia Rating Scale (DARS).Methods:136 subjects who were diagnosed with depressive disorder and 30 healthy controls were selected to complete the Chinese version of DARS, Hamilton Depression Scale (HAMDn 17), and Hospital Anxiety and Depression Scale (HADS). Cronbach’s alpha coefficient, test-retest reliability and confirmatory factor analysis were conducted. HADS and HAMDn 17 were considered as the gold standard to investigate the criterion validity of the Chinese version of DARS.n Results:The Cronbach’s α of the Chinese version of DARS was 0.97, the coefficient of the four domains ranged from 0.89 to 0.96. The intraclass correlation coefficient (n ICC) of test-retest reliability was 0.97, n ICC of four domains ranged from 0.89 to 0.95 (n P<0.01).The results of confirmation factor analysis of the Chinese version of DARS were as followed: χn 2/n df=2.02, GFI=0.88, RMSEA=0.08, CFI=0.96, and TLI=0.96. Validity: The total score and four domains of the Chinese version of DARS were significantly correlated with the seventh item of HAMD (n r=-0.38- -0.52, n P<0.01) and all five items of HADS score (n r=-0.57- -0.75, n P<0.01). There was significant difference between depression group and health control group.n Conclusion:The Chinese version of DARS has good psychometric properties with adequate reliability and validity, and could be applied to assess the anhedonia of depression in China.
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