En el presente estudio se evaluaron las propiedades psicométricas de la versión búlgara de la “Centre for Epidemiological Studies Depression Scale” (CES-DC), una escala auto-informada de 20 ítems diseñada para medir síntomas depresivos en niños y adolescentes. Un total de 700 adolescentes (323 niñas y 377 niños), de 13 a 17 años, participaron en el estudio. Además de la escala CES-DC, los adolescentes también contestaron el “Strength and Difficulties Questionnaire” (SDQ) y el “Spence Child Anxiety Scale” (SCAS). Los resultados del análisis factorial confirmatorio mostraron índices de ajuste adecuados, demostrando la validez de las cuatro dimensiones de la escala original. La CES-DC correlacionó de manera significativa con las puntuaciones totales de la SDQ y sus subescalas, mostrando que niveles elevados de síntomas depresivos se asocian con niveles altos de problemas emocionales y conductuales. En general, los resultados evidencian la validez factorial y fiabilidad de la versión búlgara de la escala CES-DC en muestras adolescentes de Bulgaria.
The present study examined the psychometric properties of the Bulgarian translation of the Spence Children's Anxiety Scale (SCAS) in a community sample of adolescents (N=700), aged 13 to 17 years, in Bulgaria. In addition to the SCAS, all participants completed the Strengths and Difficulties Questionnaire (SDQ), and the Centre for Epidemiological Studies Depression Scale for Children (CES-DC). The internal consistency (Cronbach's alpha=0.92) and the validity of the Bulgarian translation of the SCAS was excellent. The SCAS total scores correlated significantly with the CES-DC and the SDQ total scores. Confirmatory factor analysis revealed the same six-factor structure as the original SCAS. The SCAS proved to be a reliable and valid measure of anxiety symptoms among adolescents in Bulgaria.
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