Postgraduate Program in Decision and Health Models, Universidade Federal da Paraíba - João Pessoa (PB), Brazil.
Rev Bras Epidemiol. 2021 Apr 9;24:e210016. doi: 10.1590/1980-549720210016. eCollection 2021.
To propose a methodological path to investigate the coverage and information filling of maternal-infant deaths recorded in the Ministry of Health's Mortality Information System for regional spaces.
Four steps were proposed: 1) Assessment of the completeness of the maternal and child variables, which was measured using the deterministic linkage technique between the Mortality Information System (Sistema de Informações sobre Mortalidade - SIM) and the Live Birth Information System (Sistema de Informações sobre Nascidos Vivos - SINASC); 2) Application of the multiple imputation technique to achieve the total filling of the missing information of the variables; 3) Estimation of death coverage; 4) The Unknown Variable Information Index (Índice de Informação Desconhecida da Variável - IIDV) was measured, which represents the combined effect of data completeness and coverage of deaths. The proposal of the methodological path was exemplified for neonatal deaths in the municipalities of Paraíba that are part of the new classification proposed by the Brazilian Institute of Geography and Statistics (Instituto Brasileiro de Geografia e Estatística - IBGE), as adjacent rural areas, in three triennium periods from 2009 to 2017.
The percentage of matching records was 45%. Most of the variables had a percentage of non-completion below 10% and around 17% for the mother's education. Coverages ranged from 75 to 83%. The IIDV for all variables was between 21 and 36% after the linkage.
The path of the methodological proposal proved to be effective, which can be replicated to other regions, and can be extended to other categories of deaths such as post-neonatal. The combination of the proposed procedures demands low operating costs and their uses are relatively simple to be applied by the managers and technicians of the vital statistics information systems.
提出一种方法学路径，以调查卫生部死因信息系统中记录的母婴死亡的覆盖范围和信息填补情况。
提出了四个步骤：1）评估母婴变量的完整性，使用死亡率信息系统（Sistema de Informações sobre Mortalidade - SIM）和活产信息系统（Sistema de Informações sobre Nascidos Vivos - SINASC）之间的确定性链接技术进行测量；2）应用多重插补技术实现变量缺失信息的完整填补；3）估计死亡覆盖范围；4）测量未知变量信息指数（Índice de Informação Desconhecida da Variável - IIDV），它代表数据完整性和死亡覆盖范围的综合效果。该方法学路径的提出以 2009 年至 2017 年三个三年期期间巴伊亚州属于巴西地理与统计研究所（Instituto Brasileiro de Geografia e Estatística - IBGE）新分类的毗邻农村地区的新生儿死亡为例进行了说明。
匹配记录的百分比为 45%。大多数变量的未完成率低于 10%，母亲教育程度的未完成率约为 17%。覆盖范围从 75%到 83%不等。链接后，所有变量的 IIDV 均在 21%至 36%之间。
该方法学提案路径被证明是有效的，可以在其他地区复制，并且可以扩展到其他类别的死亡，如新生儿后期。该方法学路径的组合需要较低的运营成本，并且其使用相对简单，可供生命统计信息系统的管理人员和技术人员应用。
