The aim of this article was to determine the psychometric characteristics of the Attitudes Towards Body Figure Questionnaire in a sample of Mexican female students and to compare them with a sample of patients with eating disorders. A self-applicable questionnaire with 15 questions on the importance of one's weight, and figure was given to a sample of students with an average age of 18 years in Mexico City (N ¼ 408) and a sample of patients under treatment (N ¼ 87). The results showed adequate values of internal consistency and a factorial structure in two highly correlated factors that was corroborated in a confirmatory factorial analysis. The questionnaire yielded data with adequate concurrent and predictive validity as well as appropriate values of sensitivity and specificity. This questionnaire constitutes a significant contribution to the field of research on eating disorders and body image in adolescents in Mexico that is why its use is recommended for research and prevention work in the area.
El propósito de este estudio fue adaptar, validar y confiabilizar el Inventario de Autoeficacia Percibida para Control de Peso (AP-CP) en población escolar mexicana. La muestra no probabilística quedó formada por N=831 estudiantes con Medad=12, (DE = 1.70), de escuelas públicas de Pachuca, Hidalgo, México. Para efecto de tal propósito se aplicaron análisis factoriales exploratorios y confirmatorios. Se obtuvieron dos versiones, una para hombres y otra para mujeres, del AP-CP. El análisis confirmatorio arrojó dos modelos de tres factores cada uno, con un buen ajuste de los datos y consistencia interna aceptable. Se encontró que la autoeficacia percibida para control de peso y actividad física se relaciona con el género; para control del peso los hombres señalan a la fuerza de voluntad, actividad física e ingesta alimentaria; las mujeres hacen referencia a conducta alimentaria y a actividad física programada y cotidiana. Se discute la utilidad del Inventario AP-CP para la prevención de la obesidad en las primeras etapas de vida.
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