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首页> 外文期刊>BMC Medical Research Methodology >Adjusting for under-identification of Aboriginal and/or Torres Strait Islander births in time series produced from birth records: Using record linkage of survey data and administrative data sources
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Adjusting for under-identification of Aboriginal and/or Torres Strait Islander births in time series produced from birth records: Using record linkage of survey data and administrative data sources

机译：调整出生记录产生的时间序列中原住民和/或托雷斯海峡岛民出生的身份不足：使用调查数据和行政数据源的记录链接

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Background Statistical time series derived from administrative data sets form key indicators in measuring progress in addressing disadvantage in Aboriginal and Torres Strait Islander populations in Australia. However, inconsistencies in the reporting of Indigenous status can cause difficulties in producing reliable indicators. External data sources, such as survey data, provide a means of assessing the consistency of administrative data and may be used to adjust statistics based on administrative data sources. Methods We used record linkage between a large-scale survey (the Western Australian Aboriginal Child Health Survey), and two administrative data sources (the Western Australia (WA) Register of Births and the WA Midwives’ Notification System) to compare the degree of consistency in determining Indigenous status of children between the two sources. We then used a logistic regression model predicting probability of consistency between the two sources to estimate the probability of each record on the two administrative data sources being identified as being of Aboriginal and/or Torres Strait Islander origin in a survey. By summing these probabilities we produced model-adjusted time series of neonatal outcomes for Aboriginal and/or Torres Strait Islander births. Results Compared to survey data, information based only on the two administrative data sources identified substantially fewer Aboriginal and/or Torres Strait Islander births. However, these births were not randomly distributed. Births of children identified as being of Aboriginal and/or Torres Strait Islander origin in the survey only were more likely to be living in urban areas, in less disadvantaged areas, and to have only one parent who identifies as being of Aboriginal and/or Torres Strait Islander origin, particularly the father. They were also more likely to have better health and wellbeing outcomes. Applying an adjustment model based on the linked survey data increased the estimated number of Aboriginal and/or Torres Strait Islander births in WA by around 25%, however this increase was accompanied by lower overall proportions of low birth weight and low gestational age babies. Conclusions Record linkage of survey data to administrative data sets is useful to validate the quality of recording of demographic information in administrative data sources, and such information can be used to adjust for differential identification in administrative data.
机译：背景从行政数据集中得出的统计时间序列构成衡量澳大利亚解决土著和托雷斯海峡岛民人口不利状况的进展的关键指标。但是，在报告土著居民状况方面不一致会导致难以产生可靠的指标。外部数据源（例如调查数据）提供了一种评估管理数据一致性的方法，并可用于基于管理数据源调整统计信息。方法我们使用大型调查（西澳大利亚州原住民儿童健康调查）与两个行政数据源（西澳大利亚州出生登记册和西澳大利亚州助产士通知系统）之间的记录链接来比较一致性程度确定两个来源之间儿童的土著地位。然后，我们使用logistic回归模型预测两个来源之间的一致性概率，以估计两个行政数据源上的每条记录在调查中被确定为原住民和/或Torres Strait Islander的概率。通过汇总这些概率，我们得出了针对原住民和/或托雷斯海峡岛民出生的新生儿的模型校正时间序列。结果与调查数据相比，仅基于两个行政数据源的信息确定的原住民和/或托雷斯海峡岛民的出生人数要少得多。但是，这些出生并不是随机分布的。在调查中被确定为原住民和/或托雷斯海峡岛民的孩子的出生更有可能居住在城市地区，处境较弱的地区，并且只有一名父母被认定为原住民和/或托雷斯的孩子海峡岛民的血统，尤其是父亲。他们也更有可能获得更好的健康和福祉。根据链接的调查数据应用调整模型，可使西澳州原住民和/或托雷斯海峡岛民的出生人口估计数增加约25％，但与此同时，低出生体重和低胎龄婴儿的总体比例较低。结论调查数据与行政数据集的记录链接对于验证行政数据源中人口统计信息的记录质量很有用，此类信息可用于调整行政数据中的差异标识。

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