La escala breve de evaluación del Síndrome de Dependencia de la Nicotina (NDSS-S) en fumadores españoles
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Colegio Oficial de Psicólogos del Principado
Abstract
Se presenta una escala breve derivada de la Escala para la Evaluación del Síndrome de la Dependencia
de la Nicotina (NDSS). A una muestra de 1.061 fumadores diarios, evaluados en Centros de Atención
Primaria, Unidad de Alcoholismo y Unidad de Tabaquismo, se les aplicó la NDSS y la SCID para
evaluar dependencia de la nicotina con criterios DSM-IV. Los resultados indican la existencia de un
factor general de dependencia de la nicotina con la NDSS. Seleccionamos los ítems con mayor carga
factorial (>0,50), obteniendo una escala corta de 6 ítems. Con ella obtenemos resultados semejantes
a los de la escala total en las distintas variables del estudio (sociodemográfi cas y de consumo de
cigarrillos). Su fi abilidad es buena (alfa= 0,79), la correlación entre la escala corta y la total es muy alta
(r= 0,95, p<,001) y discrimina a los fumadores en función del consumo de cigarrillos y dependencia
de la nicotina, tal y como hemos evaluado con la SCID. Su funcionamiento según las curvas ROC es
excelente (área de 0,84 bajo la curva). Todo ello sugiere la utilidad de esta escala breve (NDSS-S) para
evaluar la dependencia de la nicotina en fumadores
We present a brief scale derived from the Nicotine Dependence Syndrome Scale (NDSS). We used a sample of 1.061 daily smokers, which was obtained from fi ve Primary Care Health Centers, a Unit of Alcoholism, and a Smoking Cessation Unit. All smokers were evaluated with the NDSS and the SCID to assess nicotine dependence according to DSM-IV criteria. The results indicate the existence of a general factor of nicotine dependence according to the NDSS. We selected the items with a higher factor loading (>.50), obtaining a short scale of 6 items. With this brief scale, we obtained results similar to those of the total scale in the diverse variables (sociodemographic and smoking) of the study. Scale reliability is satisfactory (α= .79), the correlation between the short and the total scale is very high (r=.95, p<.001) and the short scale discriminates the smokers in terms of cigarette consumption and nicotine dependence, as assessed with the SCID. The operation under the ROC curve is excellent (area under the curve .84). The data indicate the usefulness of this brief scale (NDSS-S) to assess nicotine dependence in smokers
We present a brief scale derived from the Nicotine Dependence Syndrome Scale (NDSS). We used a sample of 1.061 daily smokers, which was obtained from fi ve Primary Care Health Centers, a Unit of Alcoholism, and a Smoking Cessation Unit. All smokers were evaluated with the NDSS and the SCID to assess nicotine dependence according to DSM-IV criteria. The results indicate the existence of a general factor of nicotine dependence according to the NDSS. We selected the items with a higher factor loading (>.50), obtaining a short scale of 6 items. With this brief scale, we obtained results similar to those of the total scale in the diverse variables (sociodemographic and smoking) of the study. Scale reliability is satisfactory (α= .79), the correlation between the short and the total scale is very high (r=.95, p<.001) and the short scale discriminates the smokers in terms of cigarette consumption and nicotine dependence, as assessed with the SCID. The operation under the ROC curve is excellent (area under the curve .84). The data indicate the usefulness of this brief scale (NDSS-S) to assess nicotine dependence in smokers
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Becoña, E., Fernández del Río, E., López, A., Míguez, M.C., Castro, J., Nogueiras, L., Flórez, G. y Vázquez, D.(2011). La escala breve de evaluación del Síndrome de Dependencia de la Nicotina (NDSS-S) en fumadores españaoles. Psicothema, 23, 126-132
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Esta investigación ha sido fi nanciada parcialmente con una
ayuda para proyectos de investigación concedida por el Comité
Nacional para la Prevención del Tabaquismo (CNPT). La presente investigación se ha realizado dentro del convenio de colaboración entre la Universidad de Santiago de Compostela (Unidad de
Tabaquismo) y el Distrito Sanitario Málaga, Servicio Andaluz de
Salud
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