Measures of intergenerational transmission of obesity in Brazil/Medidas de transmissao intergeracional da obesidade no Brasil

A growing proportion of overweight individuals in Brazilian population highlights the importance of research in this area. Thus, this paper investigates the obesity problem from the point of view of intergenerational approach using Body Mass Index (BMI) of parents and their children. The information...

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Veröffentlicht in:Ciência & saude coletiva 2015-05, Vol.20 (5), p.1401
Hauptverfasser: de Almeida, Alessio Tony Cavalcanti, Netto, Jose Luis da Silva, Junior
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Sprache:por
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Zusammenfassung:A growing proportion of overweight individuals in Brazilian population highlights the importance of research in this area. Thus, this paper investigates the obesity problem from the point of view of intergenerational approach using Body Mass Index (BMI) of parents and their children. The information concerning BMI and socioeconomic control variables are obtained from the Household Budget Survey (POF) 2008-2009. The methodology of analysis considers the Markov transition matrix, quantile regressions and logistic regressions taking into account gender and family structure. The results suggest the existence of a strong association of BMI between parents and children, with the fraction of obese children increasing in families with single parents and households where both parents are obese. The analysis of quantile intergenerational elasticity indicates the higher children's age and their more intense BMI index is the intergenerational effect of parental health. Finally, the effect of maternal obesity is greater than the effect of paternal obesity in terms of intergenerational transmission of obesity for the children, regardless of gender. Key words Obesity, Intergenerational mobility, Elasticity, Persistence A crescente parcela de individuos com excesso de peso na populacao brasileira realca a relevancia de pesquisas nessa area. Assim, este artigo investiga o problema da obesidade do ponto de vista intergeracional, a partir dos indices de massa corporal (IMC) de pais e filhos. As informacoes sobre o IMC e as variaveis de controle socioeconomicas sao oriundas da Pesquisa de Orcamentos Familiares (POF) 2008-2009. A metodologia de analise considera as matrizes de transicao markovianas e regressoes quantilicas e logisticas com separacao por genero e estrutura da familia. Os principais resultados sugerem a existencia de uma forte associacao entre o IMC dos pais e filhos, com o aumento da fracao de criancas obesas em cenarios familiares monoparentais e em lares em que ambos os pais sao obesos. Pela analise da elasticidade intergeracional quantilica, quanto maior a idade da crianca e o seu nivel de IMC, maior e o efeito intergeracional das condicoes de saude dos pais. Por fim, o papel da obesidade materna sobrepoe-se ao da paterna em termos de transmissao intergeracional da obesidade para os filhos, independentemente do genero. Palavras-chave Obesidade, Mobilidade intergeracional, Elasticidade, Persistencia
ISSN:1413-8123
DOI:10.1590/1413-81232015205.13382014