Indian Journal of Psychological Medicine
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ORIGINAL ARTICLE
Year : 2014  |  Volume : 36  |  Issue : 2  |  Page : 187-191

The diagnostic accuracy and validity of the teen screen questionnaire-mental health for clinical and epidemiological studies in primary-care settings


1 Child Development Centre, Government Medical College, Thiruvananthapuram, Kerala, India
2 Department of Psychiatry, Child and Adolescent Psychiatry Unit, Christian Medical College, Vellore, Tamil Nadu, India

Correspondence Address:
Prof. Paul Swamidhas Russell
Psychiatry, Child and Adolescent Psychiatry Unit, Department of Psychiatry, Christian Medical College, Vellore 632 002, Tamil Nadu
India
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Source of Support: This study is supported by a grant from National Rural Health Mission (NRHM) Kerala state,, Conflict of Interest: None


DOI: 10.4103/0253-7176.130991

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Background : To validate a brief, self-reported, Teen Symptom Questionnaire-Mental Health (TSQ-M), for identifying adolescents with mental ill-health, designed for conducting epidemiological studies and clinical work in primary-care settings. Materials and Methods: In this prospective, cross-sectional study of 146 adolescents, re­cruited six rural and urban schools, the newly developed TSQ-M as the measure for validation and General Health Questionnaire-12 item (GHQ-12) as the gold standard measure were administered by independent trained raters. Tests for diagnostic accuracy and validity were conducted. Results: A TSQ-M score of ≥29 (Sn=75.68%, Sp=68.06, +LR=2.37, -LR=0.36, PPV=70.9, NPV=73.1) with the AUC of 0.79, is suggested for screening use in Indian populations. Besides the adequate face and content validity, TSQ-M has moderate internal consistency (Cronbach's α = .64) suggesting that the construct of mental ill-health as conceptualized by TSQ-M has multiple sub-constructs. The presence of sub-constructs was demonstrated by an 8- factor structure, which explained 60% of variance. Conclusion: The TSQ-M is a psychometrically adequate, yet a brief measure, for clinical and research work in identifying mental ill-health among adolescents in primary-care settings in India.


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