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Rev Panam Salud Publica. 2018 Nov 27;42:e182. doi: 10.26633/RPSP.2018.182. eCollection 2018.

[Vitamin A Supplementation Program in Brazil: evaluability assessmentPrograma Nacional de Suplementación de Vitamina A en Brasil: un estudio de evaluación].

[Article in Portuguese]

Author information

Fiocruz Minas, Instituto René Rachou, Belo Horizonte (MG), Brasil.
Universidade Federal de São João Del Rei (UFSJ), Faculdade de Enfermagem, São João Del Rei (MG), Brasil.
Secretaria de Estado de Saúde de Minas Gerais (SES - MG), Belo Horizonte (MG), Brasil.


in English, Spanish


To describe the steps of the Brazilian Vitamin A Supplementation Program (PNSVA) evaluability assessment.


The present qualitative study employed the seven-element system proposed by Thurston and Ramaliu. The study involved document analysis, conceptual review of PNSVA, and meetings with technical experts to assemble a time line and the Program's theoretical and logical frameworks. The logical framework supported the elaboration of two questionnaires to be used for PNSVA evaluation. The questionnaires were validated using the Delphi method.


The analysis revealed the evolution of vitamin A control and prevention strategies in the country, and provided information on the functioning of PNSVA and on its external context. The logical framework was found to be an invaluable tool for detecting specific priority areas for future assessments. The validation of the questionnaires indicated that they did in fact cover topics that are necessary to evaluate the implementation of PNSVA in municipalities. The Delphi step was essential to guide adjustments regarding question content and format, which served to increase the analytic power of the instruments.


The evaluability assessment indicated that future PNSVA evaluations will be possible. It is expected that the present results may be useful in countries developing similar initiatives as the one described in Brazil.


Brazil; Health evaluation; health policy; vitamin A; vitamin A deficiency

Conflict of interest statement

Conflitos de interesse. Nada declarado pelos autores.

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