v) Data linkage refers to the problem of unlinked entries among inter-related data tables.
Data were obtained through the Western Australian Data Linkage System (WADLS).
Data linkage was approved by the Commonwealth Department of Human Services.
The NAPLAN test results of the children were collected via data linkage with the LSAC data (Daraganova et al. 2013).
A Microsoft SQL Server 2005 (Microsoft Corp., Redmond, WA, USA) was used for data linkage, processing, and sampling.
Additional file 1: Detailed information regarding cohort follow-up and censoring, maltreatment classification, and data linkage methods.
Microsoft SQL Server 2012 (Microsoft Corp., Redmond, WA, USA) was used for data linkage, processing, and sampling.
We also particularly thank the Data Linkage Branch at the Department of Health WA for undertaking the data linkage and data extraction.
An observational cohort study using data linkage.
Data linkage limitations have been published previously.
Only ALSWH participants who consented to data linkage were included.
