Quality of the record of data on fatal workplace injuries in Brazil

Abstract

OBJECTIVE: To evaluate the quality of the data on fatal workplace injuries in Brazil,in the Mortality Information System (SIM) and the Information System of Notifiable Diseases(SINAN-AT), analyzing the spatial and temporal distribution between 2007 and 2012.METHODS: We identified fields related to fatal workplace injuries, which were examined forcompleteness and the use of the “ignored” option. From the SIM, we extracted the records ofdeaths from external causes, which require the completing of the field about theirrelation with work. From the SINAN, we analyzed the field, which allows us toidentify fatal cases among s severe workplace injuries.RESULTS: In the SIM, from 469,121 records, the field was left unfilled or filled asignored in 84.2% of them; the Brazilian region with the highest proportion was the Northeast(79.1%), from which the state of Alagoas (94.4%) had the highest amount. There was a 5.5%decreasing trend between 2007 (86.6%) and 2012 (81.8%). Among the 251,681 records found inthe SINAN-AT, 28.3% had unfilled or ignored responses for, varying from 39.7% in2007 to 23.2% in 2012, a 41.6% decrease.CONCLUSIONS: The quality of the records on the fields of interest needed to identify fatalworkplace injuries is poor in the SIM, but gradually improving. Recording quality was better forSINAN-AT, which has also been strongly getting better lately