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Reliability and validity of the Chinese version of Children's Depression Inventory.

Objective:To test the validity and reliability of Chinese version of Children' s Depression Inventory(CDI-C)in Chinese children and adolescence.Methods:By convenience sampling method,CDI-C and the Children`s Hassles Scale(CHAS)were administrated to 2580 school students in grade 2 to 11 sampled from two primary schools,one junior high school and one senior high school in Changsha and Xiangtan urban,Hunan province.Among these students,1320 students in grade 2 to 6 were also investigated with the Chinese version of the Multidimensional Anxiety Scale for children(MASC-C)in order to analyze the validity and reliability of CDI-C.One month later,CDI-C was retested to all the students of grade 2~3(n=528)to analyze the retest reliability of CDI-C.Results:CDI-C had good reliability and validity.The Cronbach' s α coefficient was 0.88,the test-retest Pearson' s r was 0.81(P0.001),and the mean ICC was 0.89.The Cronbach' s α coefficients of ineffective,negative-self esteem,negative-mood and anhedonia sub-scales were between 0.60 to 0.74,the test-retest r were 0.64~0.71(Ps0.001),and the mean ICC were 0.78~0.83.But for interpersonal problem sub-scale,the reliability were 0.50(P0.001)and 0.67 respectively.Confirmatory factor analysis indicated that 5 factors structure was better than one-dimensional structure(SBχ2=1504.65,df=314,SBχ2/df=4.79,TLI=0.88,NNFI=0.87,RMSEA=0.038,90%CI=0.036~0.040).The total score of CDI-C had a medium correlation with MASC and CHAS,and the Pearson' s r were 0.44 and 0.43 respectively(Ps0.001).Conclusion:The CDI-C is appropriate for Chinese children and adolescence because of its good reliability and validity.However,interpersonal problem sub-scale of CDI-C is not good.It should be revised under Chinese culture.