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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
Saucedo-Molina, Teresita de Jesús; Unikel-Santoncini, Claudia.
  • Saucedo-Molina, Teresita de Jesús; Universidad Autónoma del Estado de Hidalgo. Instituto de Ciencias de la Salud. Área Académica de Nutrición. Hidalgo. MX
  • Unikel-Santoncini, Claudia; Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz. Dirección de Investigaciones Epidemiológicas y Psicosociales. Distrito Federal. MX
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 and

methods:

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 y

método:

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.
Subject(s)


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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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