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Psicothema was founded in Asturias (northern Spain) in 1989, and is published jointly by the Psychology Faculty of the University of Oviedo and the Psychological Association of the Principality of Asturias (Colegio Oficial de Psicología del Principado de Asturias).
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Nonsuicidal Self-Injury Thoughts and Behavior in Adolescents: Validation of SITBI-NSSI

Juan Faura-García1, Izaskun Orue1 and Esther Calvete1

1 Universidad de Deusto

Background: The lack of knowledge about Nonsuicidal Self-Injury (NSSI) in Spanish adolescents, especially NSSI thoughts may be due to the paucity of NSSI assessment instruments with validity evidence in this sample. The aim of this study was to assess NSSI thoughts and behavior. In addition, the study examined the association between various NSSI features and suicidal behavior and included a preliminary validation of the new Self-Injurious Thoughts and Behaviors Interview - Non-Suicidal Self-Injury (SITBI-NSSI). Method: 685 Spanish adolescents between 13 and 18 years old (M = 15.58, SD = 1.08; 60.9% girls) completed measures of NSSI features and suicidal behavior. Results: Among adolescents, 19% thought about self-injury, and 16.8% presented NSSI behaviors. The girls had higher levels of NSSI, as well as greater frequency, number of functions, methods, and suicidal thoughts and desire. Some of the functions, methods, and precipitants differed by sex. Those with ANS had a higher risk of suicidal behavior than the comparison group. The association of SITBI-NSSI with other measures supports the validity of the data. Conclusions: Most features of NSSI are similar to those found in Spanish and internationally. The SITBI-NSSI could facilitate the evaluation of NSSI in Spanish adolescents.

Pensamientos y Conductas de Autolesión no Suicida en Adolescentes: Validación de la SITBI-NSSI. Antecedentes: La falta de conocimiento sobre la autolesión no suicida (ANS) en adolescentes comunitarios españoles, especialmente los pensamientos ANS, puede deberse a la escasez de instrumentos de evaluación ANS con evidencias de validez. El objetivo del estudio fue evaluar los pensamientos y el comportamiento de ANS. Además, se examinó la asociación entre varias características de ANS y conducta suicida, y se llevó a cabo la validación preliminar de la nueva Entrevista de pensamientos y comportamientos autolesivos - Autolesión no suicida (SITBI-ANS). Método: 685 adolescentes españoles entre 13 y 18 años (M = 15.58, DT = 1.08; 60.9% chicas) completaron medidas de características ANS y conducta suicida. Resultados: El 16.8% presentó conductas ANS y el 19% lo pensó. Las chicas tuvieron mayor presencia de ANS, frecuencia, número de funciones, métodos, pensamientos y deseo suicida. Algunas de las funciones, métodos y precipitantes diferieron según el sexo. Aquellos con ANS tuvieron más riesgo de conducta suicida respecto al grupo de comparación. La asociación de SITBI-ANS con otras medidas apoya la validez de los datos obtenidos. Conclusiones: La mayoría de las características de ANS son similares a las encontradas en español e internacionalmente. SITBI-ANS facilitaría la evaluación de ANS en adolescentes españoles.

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