Validez de un instrumento multidimensional para medir factores de riesgo asociados a trastornos de la conducta alimentaria en púberes mexicanos / Validity of a multidimensional questionnaire to measure risk factors associated to eating disorders in Mexican pubescents
Rev. chil. nutr
;
37(1): 60-69, mar. 2010. ilus, tab
Article
in Spanish
| LILACS
| ID: lil-577371
ABSTRACT
Objective:
To obtain the validity and internal consistency of a questionnaire for the screening of risk factors associated to eating disorders in Mexican pubescent males and females. Subjects andmethods:
The questionnaire was applied to a non-probabilistic sample of 504 males and 511 female students in México City from 11 to 15 years of age with a median of 12,13. Statistical methods included internal consistency analysis (Cronbach's alpha) and principal components factor analysis with oblimin rotation.Results:
Both instruments obtained five-factors structure, showed a good total Cronbach's alpha score males 0,75 (55,6 percent), and females 0,83 (57,6 percent) of the total explained variance. Males displayed a normal eating behavior factor, while for females a restrictive dieting factor was obtained.Conclusions:
This questionnaire is a valid measure in pubescent boys and girls for assessing risk factors associated with eating disorders, in particular socio-cultural factors, eating behaviors and pubertal development.RESUMEN
Objetivo:
obtener la validez y consistencia interna de un cuestionario para púberes mexicanos, hombres y mujeres, que evalúe factores de riesgo asociados a trastornos de la conducta alimentaria. Sujetos ymétodo:
El cuestionario se aplicó a una muestra no probabilística, de púberes estudiantes de la ciudad de México (504 hombres y 511 mujeres), con edades de 11 a 15 años de edad, con una media de 12,13. Se realizó un análisis de consistencia interna (alfa de Cronbach) y un análisis factorial de componentes principales con rotación oblimin por el método de máxima verosimilitud.Resultados:
Ambos instrumentos arrojaron 5 factores, con una buena consistencia interna, alcanzando un valor total de alpha de Cronbach de 0,75 para hombres (55,6 por ciento de varianza explicada) y 0,83 para mujeres (57,6 por ciento de varianza explicada).Conclusión:
El instrumento resultó válido en hombres y mujeres, para medir factores de riesgo asociados a trastornos alimentarios, principalmente socioculturales, conductas alimentarias y desarrollo puberal.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Feeding and Eating Disorders
/
Child Behavior Disorders
/
Surveys and Questionnaires
Type of study:
Etiology study
/
Observational study
/
Prevalence study
/
Prognostic study
/
Qualitative research
/
Risk factors
Limits:
Child
/
Female
/
Humans
/
Male
Country/Region as subject:
Mexico
Language:
Spanish
Journal:
Rev. chil. nutr
Journal subject:
Nutritional Sciences
Year:
2010
Type:
Article
/
Congress and conference
Affiliation country:
Mexico
Institution/Affiliation country:
Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz/MX
/
Universidad Autónoma del Estado de Hidalgo/MX
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