Discordancia en autopercepción de peso en población adulta de Talca / Discordance between nutritional status and self perception of weight among adults from Talca, Chile
Rev. méd. Chile
;
137(1): 76-82, ene. 2009. tab
Artículo
en Español
| LILACS
| ID: lil-511847
ABSTRACT
Background:
Obesity is related to underestimation of ones own weight.Aim:
To determine the agreement between nutritional status and self perception of weight status in apparently healthy adults from Talca. Subjects andmethods:
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 todetermine nutritional status. Statistical analysis included kappa index, Bowmans symmetry test and a logistic regression model to calculate the odds ratio in different variables related tounderestimation of weight.Results:
Seventy three percent of subjects were overweight or obese and 44% underestimated their nutritional status. Sixty percent of subjects with a BMI between 25 and 26 kg/m2, perceived themselves as normal. A higher underestimation was observed in obesesubjects (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 of weight, mainly due to underestimation. Obese subjects, males and people older than 45 years were those with the higher degree of underestimation.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Autoimagen
/
Peso Corporal
/
Estado Nutricional
/
Obesidad
Tipo de estudio:
Estudio pronóstico
Límite:
Adolescente
/
Adulto
/
Anciano
/
Femenino
/
Humanos
/
Masculino
País/Región como asunto:
America del Sur
/
Chile
Idioma:
Español
Revista:
Rev. méd. Chile
Asunto de la revista:
Medicina
Año:
2009
Tipo del documento:
Artículo
País de afiliación:
Chile
Institución/País de afiliación:
Universidad de Talca/CL
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