Foram realizadas dosagens de vitamina A e caroteno plasmáticos em 362 pré-escolares de 3 a 6 anos de idade, residentes na área urbana do Município de Cotia, situado a 34 km de São Paulo, SP (Brasil), usando-se amostra representativa. O método utilizado foi o de Carr-Price e os critérios de classificação dos resultados foram propostos pelo "Interdepartmental Committee on Nutrition for National Defense" (ICNND). A prevalência de hipovitaminose A em nível bioquímico foi de 30,2%.

Three-hundred and sixty-two preschool children between the ages of three and six years were examined for plasma levels of vitamin A and carotene. All were residents of the urban area of the city of Cotia, thirty-four km from S. Paulo, Brazil. A representative sample was taken for the purpose. The Carr-Price laboratory method was used as were the Interdepartmental Committee on Nutrition for National Defense (ICNND) criteria for classifying results. Prevalence of vitamin A deficiency at biochemical level was 30.2%.

Foram realizadas dosagens de vitamina A e caroteno plasmáticos em 362 pré-escolares de 3 a 6 anos de idade, residentes na área urbana do Município de Cotia, situado a 34 km de São Paulo, SP (Brasil), usando-se amostra representativa. O método utilizado foi o de Carr-Price e os critérios de classificação dos resultados foram propostos pelo "Interdepartmental Committee on Nutrition for National Defense" (ICNND). A prevalência de hipovitaminose A em nível bioquímico foi de 30,2%.

Three-hundred and sixty-two preschool children between the ages of three and six years were examined for plasma levels of vitamin A and carotene. All were residents of the urban area of the city of Cotia, thirty-four km from S. Paulo, Brazil. A representative sample was taken for the purpose. The Carr-Price laboratory method was used as were the Interdepartmental Committee on Nutrition for National Defense (ICNND) criteria for classifying results. Prevalence of vitamin A deficiency at biochemical level was 30.2%.