Instituto de Nutrição. Departamento de

Assessing usual dietary intake in complex sample design surveys: the National Dietary Survey Avaliação do consumo alimentar usual em pesquisas com amostras complexas: Inquérito Nacional de Alimentação The National Cancer Institute (NCI) method allows the distributions of usual intake of nutrients and foods to be estimated. This method can be used in complex surveys. However, the user must perform additional calculations, such as balanced repeated replication (BRR), in order to obtain standard errors and confi dence intervals for the percentiles and mean from the distribution of usual intake. The objective is to highlight adaptations of the NCI method using data from the National Dietary Survey. The application of the NCI method wa