Discordancia en autopercepción de peso en población adulta de Talca

Background: Obesity is related to underestimation of one 's own weight. Aim: To determine the agreement between nutritional status and self perception ofweight status in apparently healthy adults from Talca. Subjects and methods: Data were obtained from a survey applied at 1007 randomly selecte...

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Autores principales:	Mujica E,Verónica, Leiva M,Elba, Rojas M,Edgardo, Díaz,Nora, lcaza,Gloria, Palomo G,Iván
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2009
Materias:	Obesity Overweight Self concept
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872009000100011
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spelling	oai:scielo:S0034-988720090001000112009-04-13Discordancia en autopercepción de peso en población adulta de TalcaMujica E,VerónicaLeiva M,ElbaRojas M,EdgardoDíaz,Noralcaza,GloriaPalomo G,Iván Obesity Overweight Self concept Background: Obesity is related to underestimation of one 's own weight. Aim: To determine the agreement between nutritional status and self perception ofweight status in apparently healthy adults from Talca. Subjects and methods: Data were obtained from a survey applied at 1007 randomly selected subjects, aged 18-74 years old (66% women). The survey identified age, gender, educational level and socioeconomic status. Self-perception of weight was estimated with pictures representing the four nutritional status categories: underweight, normal, overweight and obese. Body Mass index (BMI, kg/m²) was calculated to determine nutritional status. Statistical analysis included kappa índex, Bowman s symmetry test and a logistic regression model to calculate the odds ratio in different variables related to underestimation of weight. Results: Seventy three percent of subjects were overweight or obese and 44% underestimated their nutritional status. Sixty percent ofsubjects with a BMI between 25 and 26 kg/m², perceived themselves as normal. A higher underestimation was observed in obese subjects (odds ratio (OR) 17.2 95% confidence intervals (CI) 10.9-27.1), in overweight individuals (OR 3.5 95% CI 2.3-5.3), in men (OR 1.5 95% CI 1.1-2.1) and in people aged from 45 to 59 years (OR 1.7 95% CI 1.0-2.7). Conclusion: Almost half of studied population had an erroneous self-perception ofweight, mainly due to underestimation. Obese subjects, males and people older than 45years were those with the higher degree of underestimation.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.137 n.1 20092009-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872009000100011es10.4067/S0034-98872009000100011
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Obesity Overweight Self concept
spellingShingle	Obesity Overweight Self concept Mujica E,Verónica Leiva M,Elba Rojas M,Edgardo Díaz,Nora lcaza,Gloria Palomo G,Iván Discordancia en autopercepción de peso en población adulta de Talca
description	Background: Obesity is related to underestimation of one 's own weight. Aim: To determine the agreement between nutritional status and self perception ofweight status in apparently healthy adults from Talca. Subjects and methods: Data were obtained from a survey applied at 1007 randomly selected subjects, aged 18-74 years old (66% women). The survey identified age, gender, educational level and socioeconomic status. Self-perception of weight was estimated with pictures representing the four nutritional status categories: underweight, normal, overweight and obese. Body Mass index (BMI, kg/m²) was calculated to determine nutritional status. Statistical analysis included kappa índex, Bowman s symmetry test and a logistic regression model to calculate the odds ratio in different variables related to underestimation of weight. Results: Seventy three percent of subjects were overweight or obese and 44% underestimated their nutritional status. Sixty percent ofsubjects with a BMI between 25 and 26 kg/m², perceived themselves as normal. A higher underestimation was observed in obese subjects (odds ratio (OR) 17.2 95% confidence intervals (CI) 10.9-27.1), in overweight individuals (OR 3.5 95% CI 2.3-5.3), in men (OR 1.5 95% CI 1.1-2.1) and in people aged from 45 to 59 years (OR 1.7 95% CI 1.0-2.7). Conclusion: Almost half of studied population had an erroneous self-perception ofweight, mainly due to underestimation. Obese subjects, males and people older than 45years were those with the higher degree of underestimation.
author	Mujica E,Verónica Leiva M,Elba Rojas M,Edgardo Díaz,Nora lcaza,Gloria Palomo G,Iván
author_facet	Mujica E,Verónica Leiva M,Elba Rojas M,Edgardo Díaz,Nora lcaza,Gloria Palomo G,Iván
author_sort	Mujica E,Verónica
title	Discordancia en autopercepción de peso en población adulta de Talca
title_short	Discordancia en autopercepción de peso en población adulta de Talca
title_full	Discordancia en autopercepción de peso en población adulta de Talca
title_fullStr	Discordancia en autopercepción de peso en población adulta de Talca
title_full_unstemmed	Discordancia en autopercepción de peso en población adulta de Talca
title_sort	discordancia en autopercepción de peso en población adulta de talca
publisher	Sociedad Médica de Santiago
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872009000100011
work_keys_str_mv	AT mujicaeveronica discordanciaenautopercepciondepesoenpoblacionadultadetalca AT leivamelba discordanciaenautopercepciondepesoenpoblacionadultadetalca AT rojasmedgardo discordanciaenautopercepciondepesoenpoblacionadultadetalca AT diaznora discordanciaenautopercepciondepesoenpoblacionadultadetalca AT lcazagloria discordanciaenautopercepciondepesoenpoblacionadultadetalca AT palomogivan discordanciaenautopercepciondepesoenpoblacionadultadetalca
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Discordancia en autopercepción de peso en población adulta de Talca

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