Peso medido, peso percebido e fatores associados em adolescentes
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Araújo, C. L., Dumith, S. C., Menezes, A. M. B., & Hallal, P. C. (2010). Peso medido, peso percebido e fatores associados em adolescentes [Journal articles]. http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892010000500006
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2010
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OBJETIVO: Comparar a autopercepção corporal e o estado nutricional objetivamente medido por meio de peso, altura e pregas cutâneas em adolescentes e avaliar os fatores associados à discordância entre essas duas medidas. MÉTODOS: A amostra incluiu os membros da coorte de nascimentos de 1993 na Cidade de Pelotas, Estado do Rio Grande do Sul, Brasil, que foram visitados em seus domicílios em 2004 e 2005. O desfecho em estudo resultou da comparação entre o estado nutricional e a percepção que os adolescentes tinham de seu peso corporal, sendo dividido em três categorias: subestimação, concordância e superestimação. As variáveis explanatórias foram sexo, cor da pele, índice de bens, sedentarismo, dieta inadequada, discriminação, regime para emagrecimento e sentimento de bem-estar e opinião do adolescente sobre como os pais percebiam o corpo desse adolescente. Para as análises estatísticas, empregou-se regressão logística multinomial. RESULTADOS: Foram entrevistados 4 452 indivíduos (87,5 por cento da coorte original). A média de idade foi de 11 anos. De acordo com o estado nutricional, 7,1 por cento foram classificados como magros, 69,8 por cento como eutróficos, 11,6 por cento com sobrepeso e 11,6 por cento com obesidade. Com relação ao peso percebido, 19 por cento dos jovens se achavam magros ou muito magros, 56 por cento se sentiam normais quanto ao peso e 25 por cento se consideravam gordos ou muito gordos. A concordância global entre a autopercepção corporal do adolescente e seu estado nutricional foi de 65 por cento (kappa = 0,36). A subestimação foi de 24,9 por cento entre meninos vs. 20,3 por cento entre meninas. A superestimação foi de 15,8 por cento entre meninas vs. 8,5 por cento entre meninos. CONCLUSÃO: Houve tendência de as meninas superestimarem o seu peso corporal e de os meninos subestimarem o mesmo. Detectou-se também forte associação entre a opinião que os adolescentes acreditam que os pais têm de si e a autopercepção de ...(AU)
OBJECTIVE: To compare weight self-perception and nutritional status based on objective measurements of weight, height, and skin folds in adolescents, and to evaluate factors associated with disagreement between these measures. METHODS: The sample included the 1993 birth cohort from the city of Pelotas, Brazil, who were interviewed at home in 2004 and 2005. The study outcome resulted from the comparison between nutritional status and the weight self-perception of adolescents, and was divided into three categories: underestimation, agreement, and overestimation. The explanatory variables were sex, skin color, accumulated goods index, physical activity, eating habits, discrimination, dieting, feeling of well-being, and opinion of the adolescent concerning the perception of his/her parents regarding the adolescent's weight. Multivariate logistic regression was used for statistical analysis. RESULTS: A total of 4 452 interviews were conducted (87.5 percent of original cohort). Mean age was 11 years. The analysis of nutritional status revealed that 7.1 percent were underweight, 69.8 percent normal weight, 11.6 percent overweight, and 11.6 percent obese. The analysis of self-perceived weight revealed that 19 percent saw themselves as thin or very thin, 56 percent believed their weight was normal, and 25 percent saw themselves as fat or very fat. Global agreement between weight self-perception and nutritional status was 65 percent (kappa = 0.36). Weight underestimation occurred in 24.9 percent of boys vs. 20.3 percent of girls. Overestimation occurred in 15.8 percent of girls vs. 8.5 percent of boys. CONCLUSIONS: Girls tended to overestimate their weight, and boys, to underestimate it. There was a strong association between the opinion of adolescents concerning their parents' view of the adolescent's body and self-perceived weight.(AU)
OBJECTIVE: To compare weight self-perception and nutritional status based on objective measurements of weight, height, and skin folds in adolescents, and to evaluate factors associated with disagreement between these measures. METHODS: The sample included the 1993 birth cohort from the city of Pelotas, Brazil, who were interviewed at home in 2004 and 2005. The study outcome resulted from the comparison between nutritional status and the weight self-perception of adolescents, and was divided into three categories: underestimation, agreement, and overestimation. The explanatory variables were sex, skin color, accumulated goods index, physical activity, eating habits, discrimination, dieting, feeling of well-being, and opinion of the adolescent concerning the perception of his/her parents regarding the adolescent's weight. Multivariate logistic regression was used for statistical analysis. RESULTS: A total of 4 452 interviews were conducted (87.5 percent of original cohort). Mean age was 11 years. The analysis of nutritional status revealed that 7.1 percent were underweight, 69.8 percent normal weight, 11.6 percent overweight, and 11.6 percent obese. The analysis of self-perceived weight revealed that 19 percent saw themselves as thin or very thin, 56 percent believed their weight was normal, and 25 percent saw themselves as fat or very fat. Global agreement between weight self-perception and nutritional status was 65 percent (kappa = 0.36). Weight underestimation occurred in 24.9 percent of boys vs. 20.3 percent of girls. Overestimation occurred in 15.8 percent of girls vs. 8.5 percent of boys. CONCLUSIONS: Girls tended to overestimate their weight, and boys, to underestimate it. There was a strong association between the opinion of adolescents concerning their parents' view of the adolescent's body and self-perceived weight.(AU)
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Subject
Composição Corporal
Peso corporal
Imagem Corporal
Indice de massa corporal
Adolescente
Estudios de Cohortes
Brasil
Body composition
Body Weight
Body image
Body Mass Index
Adolescent
Cohort studies
Brazil
Estatura
Peso Corporal
Estado Nutricional
Autoimagem
Pregas Cutâneas
Imagem Corporal
Brasil
Estudos de Coortes
Estudos Transversais
Obesidade
Sobrepeso
Análise de Regressão
Magreza
Percepção de Peso
Peso corporal
Imagem Corporal
Indice de massa corporal
Adolescente
Estudios de Cohortes
Brasil
Body composition
Body Weight
Body image
Body Mass Index
Adolescent
Cohort studies
Brazil
Estatura
Peso Corporal
Estado Nutricional
Autoimagem
Pregas Cutâneas
Imagem Corporal
Brasil
Estudos de Coortes
Estudos Transversais
Obesidade
Sobrepeso
Análise de Regressão
Magreza
Percepção de Peso
Category
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Citation
Araújo, Cora L,Dumith, Samuel C,Menezes, Ana Maria B,Hallal, Pedro C (2010) Peso medido, peso percebido e fatores associados em adolescentes. Rev Panam Salud Publica;27(5) 360-367,maio 2010. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892010000500006
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