The Depressive Experiences Questionnaire: construct validity and prediction of depressive symptoms in a sample of Chinese undergraduates.

Background: The Depressive Experiences Questionnaire (DEQ) was developed to measure two dimensions of depression-prone personality, Dependency and Self-criticism. We investigated the construct validity and prediction of DEQ in a Chinese sample, and explored whether Blatt's conceptualizations of depression-prone personality variables are appropriate for the Chinese context.

Methods: The original version of the DEQ was translated into Chinese (DEQ-C). During the initial assessment, 640 Chinese university students completed the DEQ-C and the Center for Epidemiologic Studies Depression Scale (CES-D). Six months later, the CES-D was re-administered.

Results: A principal components analysis yielded a three-factor model that was consistent with Blatt's theory. However, these three factors emerged in a different order in comparison to the original sample. Factorial validity was also acceptable with low correlations between each DEQ-C factor in males (r=.01 approximately -0.14), and females (r=0.19 approximately 0.28). Convergent validity was supported by significant positive correlations between the CES-D and both Dependency and Self-criticism. Predictive validity was demonstrated by hierarchical multiple regression analyses showing that Self-criticism predicted increased depressive symptoms both in males (beta=0.27, p<0.01) and in females (beta=0.16, p<0.05); Dependency predicted levels of depressive symptoms only in females (beta=0.11, p<0.05).

Conclusions: The Chinese version of the DEQ demonstrated satisfactory validity, including construct validity and predictive validity, the DEQ-C can be considered as an appropriate tool for assessing personality vulnerability to depression in Chinese college students.