There are over 450 postcodes in Queensland that vary significantly in geographic area coverage, and mapping case data by postcodes or postcode centroids could therefore produce maps that distort the true location and density of cases.
As a proxy we extracted data using postcode data and assumed those aged ≥75 years in individual postcodes for nursing homes, 1 January 2011, were care home residents for the year 2011.
The trend for midnight surfing was confirmed by data from Postcode Anywhere which said the number of online visits was up nearly 40% between midnight and 1am, compared with the previous day.
The data is postcode based, so the points on the map may not be positioned in the exact location of the fatal collision.
Match keys to be used for linking were defined in terms of the SLK-581 (divided into five components) and additional available linkage data - postcode, aged care assessment date and assessment team identifier for stage 3.
Claire Deverill, National Centre for Social Research, for providing data on postcode sector for the Health Survey for England participants.
Registered nurse population based on April, 2004 NMC data by postcode of residence mapped to SHA.
Individual-based data included postcode linked to area-based data on the Index of Multiple Deprivation (IMD) 2004, and ethnicity.
All variables used in these analyses were derived from self-reported data except postcode (45 and Up Study only).
Reassuringly, differences between datasets were minimal at a regional level, but at higher data resolutions (postcode areas) meaningful and potentially concerning differences were detected.
Demographic and other personal data (age, postcode, gender, employment status, primary and secondary reason for referral) were provided on the referral form.
