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. 2018 May-Aug;18(2):162-169.
doi: 10.1016/j.ijchp.2018.03.002. Epub 2018 Apr 22.

Validity evidence of the Behavioral Activation for Depression Scale-Short Form among depressed smokers

Alba González-Roz  1 , Roberto Secades-Villa  1 , José Muñiz  1
Affiliations

Validity evidence of the Behavioral Activation for Depression Scale-Short Form among depressed smokers

Alba González-Roz et al. Int J Clin Health Psychol. 2018 May-Aug.

Abstract
in English, Spanish

A measure of Behavioral Activation (BA) is highly recommended when evaluating BA treatment effects for smokers with depression. Recently, a short version of the Behavioral Activation for Depression scale (BADS-SF) has been developed as a means of assessing changes in activation and avoidance patterns. To date there is no validated version of this questionnaire in Spanish. This study sought to adapt the BADS-SF to a Spanish population of depressed smokers. Method A sample of 169 smokers (72.2% female) with elevated depressive symptomatology completed the BADS-SF. Results A bi-factorial structure was obtained: Activation and Avoidance. Results indicated an acceptable internal consistency for both the Activation (ω = .85) and the Avoidance subscales (ω =.70). Overall, convergent validity was obtained with Activation and Avoidance subscales being related to other depression-related measures such as depressive symptomatology (Activation r = -.29; Avoidance r = .35), environmental reward (Activation r = .40; Avoidance r = -.41) and, nicotine dependence (Avoidance r = .23). This latter variable was the only one not showing a statistically significant association with the Activation factor (r = -.12). Conclusions The Spanish BADS-SF can be considered as a reliable and valid instrument when assessing behavioral activation among clinically depressed smokers.

Las medidas de Activación Conductual (AC) resultan necesarias en la evaluación de los tratamientos dirigidos a fumadores con depresión. Recientemente, una versión corta de la escala de AC (BADS-SF) ha sido desarrollada para evaluar los cambios en la activación y evitación. El objetivo de este trabajo fue adaptar la versión corta de la escala de AC (BADS-SF) a la población española de fumadores deprimidos. Método Una muestra de 169 fumadores (72,2% mujeres) con síntomas elevados de depresión completó el BADS-SF. Resultados Se obtuvo una estructura bifactorial: Activación y Evitación. Los resultados indicaron una consistencia interna aceptable para las subescalas Activación (ω = 0,85) y Evitación (ω = 0,70). Se obtuvo evidencia de validez convergente mediante correlaciones significativas entre las subescalas del BADS-SF, la depresión (Activación r = −0,29; Evitación r = 0,35), el nivel de recompensa obtenido del entorno (Activación r = 0,40; Evitación r = −0,41) y la dependencia a la nicotina (Evitación r = 0,23). La última variable fue la única que no mostró una relación estadísticamente significativa con el factor Activación (r = −0,12). Conclusiones La versión española del BADS-SF puede ser considerada como una medida fiable y un instrumento válido para evaluar AC en pacientes fumadores con depresión.

Keywords: Behavioral activation; Depression; Instrumental study; Smoking.

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