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Psychometric Properties of the Chinese Version of the Self-Reporting Questionnaire 20 (SRQ-20) in Community SettingsDepartment of Medical Psychology, Seventh Hospital of Hangzhou, Zhejiang, PR China, shulinchen1990{at}gmail.com, University of Rochester, Centre of Suicide Prevention and Study, New York, US, Department of Psychiatry, Chinese University of Hong Kong, Shatin, Hong Kong
Seventh Hospital of Hangzhou, Zhejiang, PR China
Mental Health Institute of the Second Xiangya Hospital, Central South University, Changsha Hunan, PR China
Department of Psychiatry, Chinese University of Hong Kong, Shatin, Hong Kong
University of Rochester, Centre of Suicide Prevention and Study and Department of Psychiatry, New York,USA Background: Community mental health services in China are in need of a brief, valid instrument to identify mental disorders. Many studies support the Self-Reporting Questionnaire 20 (SRQ-20) as a cost-effective instrument with which to measure community mental health, but there have been no previous studies conducted with the Chinese version of SRQ-20. In this paper, the psychometric properties of the Chinese version of SRQ-20 in community settings were investigated. Method: SRQ-20 was used to evaluate 959 participants from 10 communities of Hangzhou City and 60 participants from two community primary care centres for the presence of mental disorders. Discriminative, concurrent, and construct validity as well as internal consistency and screening properties of SRQ-20 were evaluated.
Results: Cronbach’s Conclusion: SRQ-20 appears to be a reliable and valid measure of mental disorders in the community in China.
Key Words: Self-Reporting Questionnaire • Chinese version • community • psychometric characters
This version was published on November
1, 2009 International Journal of Social Psychiatry, Vol. 55, No. 6,
538-547 (2009) |
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for SRQ-20 was 0.90 for primary care and 0.91 for the community. Item-total correlation coefficients ranged from 0.40 to 0.73 in primary care, and from 0.51 to 0.69 in the community. The test-retest correlation coefficient was 0.93 in primary care and 0.94 in the community. Varimax-rotated principal component analysis of the SRQ-20 items yielded three factors: depressive symptoms, anxiety symptoms and somatic symptoms. The area under the ROC curve was 0.83 (SE =0.04, 95% CI 0.75—0.90) for the community and primary care samples. The optimal cut-off point for SRQ-20 was 6/7 yielding sensitivity of 93% and specificity of 62%.