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Revista de Saúde Pública
On-line version ISSN 1518-8787Print version ISSN 0034-8910
PEREIRA, Julio Cesar Rodrigues and BRONHARA, Bruna. H-index of Collective Health professors in Brazil. Rev. Saúde Pública [online]. 2011, vol.45, n.3, pp.599-606. Epub Apr 20, 2011. ISSN 1518-8787. http://dx.doi.org/10.1590/S0034-89102011005000027.
OBJECTIVE: To estimate reference values and the hierarchy function of professors engaged in Collective Health in Brazil by analyzing the distribution of the h-index. METHODS: From the Portal da Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Portal of Coordination for the Improvement of Higher Education Personnel ), 934 authors were identified in 2008, of whom 819 were analyzed. The h-index of each professor was obtained through the Web of Science using search algorithms controlling for namesakes and alternative spellings of their names. For each Brazilian region and for the country as a whole, we adjusted an exponential probability density function to provide the population parameters and rate of decline by region. Ranking measures were identified using the complement of the cumulative probability function and the hierarchy function among authors according to the h-index by region. RESULTS: Among the professors analyzed, 29.8% had no citation record in Web of Science (h=0). The mean h for the country was 3.1, and the region with greatest mean was the southern region (h=4.7). The median h for the country was 3.1, and the greatest median was for the southern region (3.2). Standardizing populations to one hundred, the first rank in the country was h=16, but stratification by region shows that, within the northeastern, southeastern and southern regions, a greater value is necessary for achieving the first rank. In the southern region, the index needed to achieve the first rank was h=24. CONCLUSIONS: Most of the Brazilian Collective Health authors, if assessed on the basis of the Web of Science h-index, did not exceed h=5. Regional differences exist, with the southeastern and northeastern regions being similar and the southern region being outstanding.
Keywords : Authorship and Co-Authorship in Scientific Publications; Researcher Performance Evaluation Systems; Scientific Publication Indicators; Bibliometric Indicators; Public Health.