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标题：Factor analysis, reliability and validity of a measurement model for the intent of alcohol consumption among ecuadorian teenagers
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作者：Rodrigo Moreta-Herrera ; Marlon Mayorga-Lascano ; Aitor Larzabal-Fernandez 等
期刊名称：Salud y drogas
印刷版ISSN：1578-5319
电子版ISSN：1988-205X
出版年度：2020
卷号：20
期号：1
页码：135-144
DOI：10.21134/haaj.v20i1.489
语种：Spanish
出版社：Universidad Miguel Hernández de Elche
摘要：Objetivo. Confirmar la estructura bifactorial, laconfiabilidad y validez del Modelo de Medición deIntención al Consumo de Alcohol (MMICA), en unamuestra de adolescentes ecuatorianos. Método. Estudioinstrumental con análisis factorial, confiabilidad y validez(constructo y criterio) del MMICA entre consumidoresriesgosos y no riesgosos. La muestra fue de 480estudiantes (52.3% hombres), entre 12 y 19 años (M=14.8, SD= 1.5), de tres centros educativos diferentes(67.9% público) de las ciudades de Ambato y Pelileo,Ecuador. Resultados. La estructura bifactorial se confirmacon una variación explicada del 72,1%, los datos de ajusteson adecuados con X2= 39.9; p<.001; df= 26; X2/df= 1.5;CFI= .98; TLI= .99; SRMR= .045; RMSEA= .048 [.011 - .077
其他摘要：Objective. Confirm the bifactorial structure, reliability and validity of the Modelo de Medición de Intención al consumo de Alcohol (MMICA), in a sample of Ecuadorian adolescents. Method. Instrumental study with factor analysis, reliability and validity (construct and criterion) of the MMICA among risky and not risky consumers. The sample was 480 students (52.3% men), between 12 to 19 years (M= 14.8, SD= 1.5), from three different educational centres (67.9% public) of Ambato and Pelileo cities, Ecuador. Results. The bifactorial structure is confirmed with a variance explained of 72.1%, the adjustment data are adequate with X 2 = 39.9; p< .001; df= 26; X 2 /df=1.5; CFI= .98; TLI= .97; SRMR= .045; RMSEA=.048 [.011 - .077]. Reliability is high (ω=.90 for behavioural control and ω=, 84 for behavioural belief). This study confirms criterion validity between risky and not risky alcohol consumers. Conclusions. The MMICA is an adequate, reliable and valid test to assess intent of alcohol consumption among Ecuadorian adolescents.
关键词：adolescent; alcohol; consumption; factor analysis; intention
其他关键词：Adolescent##alcohol##consumption##factor analysis##intention