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Epidemiologia e Serviços de Saúde
Print version ISSN 1679-4974On-line version ISSN 2337-9622
Abstract
SILVEIRA, Ismael Henrique da; OLIVEIRA, Beatriz Fátima Alves de and JUNGER, Washington Leite. Use of Google Maps for geocoding data from the Mortality Information System in Rio de Janeiro municipality, Brazil, 2010-2012. Epidemiol. Serv. Saúde [online]. 2017, vol.26, n.4, pp.881-886. ISSN 1679-4974. http://dx.doi.org/10.5123/s1679-49742017000400018.
OBJECTIVE:
to describe the results of the application of a low cost procedure, using free software, for geocoding data from the Mortality Information System (SIM), in the municipality of Rio de Janeiro.
METHODS:
descriptive study using Google Maps database for geocoding deaths data recorded at SIM, occurred from 2010 to 2012, in Rio de Janeiro; the study was carried out in three stages, (i) standardization of addresses, (ii) geocoding by Google Maps, and (iii) manual intervention.
RESULTS:
from the total of 26,081 addresses submitted to the procedure, 18,646 (71.5%) had exact matches; the remaining 7,435 were submitted to manual intervention, which found 5,250; 70.6% of the addresses were not initially found; a total of 91.6% of the addresses were geocoded.
CONCLUSION:
the procedure presented high proportion of automatic matches and, although it demanded much time, manual intervention allowed a considerable reduction of losses.
Keywords : Geographic Mapping; Geographic Information Systems; Spatial Analysis; Epidemiology, Descriptive.
