ResumenIntroducción: Los trastornos de la conducta alimentaria (TCA) son la tercera enfermedad crónica más prevalente en adolescentes, por lo que se consideran un problema de salud pública. Objetivo: Determinar la prevalencia de trastornos de la conducta alimentaria en estudiantes de media académica de colegios públicos de la zona urbana de la ciudad de Pereira Métodos: Se realizó un estudio descriptivo con muestreo aleatorio mediante distribución proporcional entre los colegios públicos de la zona urbana de Pereira agrupados por sectores según su ubicación. Se aplicó la Encuesta de Comportamiento Alimentario (ECA). Resultados: Se encuestaron 382 estudiantes, 58,9% hombres. La ECA fue positiva en el 24,3% de los encuestados. Según el Índice de Masa Corporal el 9,7% de la población se encontraba en rangos de delgadez, 5,8% sobrepeso y 1,6% obesidad. Se encontró relación (p<0,05) entre el género femenino y la ECA positiva (RM=3,83), realización de dietas (RM=1,55), alteración de la auto imagen (RM=1,79), uso de laxantes (RM=2,58) e inducción del vómito (RM=4,41). El 33,4% reportó tener con alguna frecuencia episodios de consumo de grandes cantidades de alimentos acompañados de sensación de culpa. Discusión: Existen alteraciones comportamentales relacionadas con trastornos de la conducta alimentaria en esta población, por lo que es necesario generar programas de prevención y promoción de los TCA enfocados para adolescentes. Palabras clave: Trastornos de la conducta alimentaria, Psiquiatría del adolescente, Tamizaje masivo Eating disordder among adolescents in public schools from Pereira Abstract Introduction: Eating disorders (ED) are the third most prevalent chronic disease among adolescents and they are considered a public health issue. Objective: To determine the prevalence of eating disorders in students from 10 th and 11 th grade in public high schools at the urban area of Pereira city. Methods: A descriptive study was conducted. Participants were randomly sampled using proportional allocation among public schools at the urban area of Pereira and the "Encuesta de Comportamiento Alimentario (ECA)" was applied.Results: 382 students were interviewed, of which 58.9% were male. ECA test scores were positive for eating disorders in 24.3% of the study sample. According to the Body Mass Index, 9.7% of the population was classified as underweight, 5.8% were overweighed and 1.6% were obese. The presence of episodes of eating large amounts of food followed by guilt was reported in 33.4% of the cases. A statistically significant relationship was found (p<0.005) among female gender and positive ECA results (OR=3.83), dieting (OR=1.55), altered self-image (OR=1.79), laxatives use (OR=2.58) and induced vomiting (OR=4.41). Discussion: Clearly, eating behaviors related to ED are already established in this population; therefore, prevention and promotion programs focused on teenager populations should be designed. Key words: Eating disorders, Adolescent Psychiatry, Mass screening IntroducciónLos trastornos de la conducta alimen...
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