Identifying Vulnerable Populations in Subtropical Brisbane, Australia: A Guide for Heatwave Preparedness and Health Promotion

Table 1

Risk factors and their data sources.

Risk factor	Data sources	Derivation of the variable
Age (0–4, 65+)	ABS^∗  BCP^#, Table 1 [49]	% population under 4 and over 65
Aged care facilities (ACF)	Department of Health and Ageing	% ACF within city
SES∗∗	ABS, SEIFA^##, Table 3 [49, 50]	SEIFA
Urban design	ABS, BCP, Table 31 [49]	% dwellings which are not single dwellings
Single-person households	ABS, BCP, Table 22 [49]	% single-person households
Need for assistance (measure of disability)	ABS, BCP, Table 17 [49]	% population who need assistance with core daily activities
Population density	ABS, BCP, Table 1 [49]	Population (under 4 and over 65)/km^2
Ethnicity	ABS, BCP, Table 12 [49]	% population who speak a language other than English at home
UHI	MODIS (Terra) Land surface Temperature and Emissivity Monthly L3 Global 0.05° CMG (2005–2009)	Mean LST in summer (°C)
Land cover	ABS, Meshblock	% areas which are parklands or agricultural lands
Accessibility to emergency service	Google maps	Shortest travelling distance and fastest traveling time from centroid of PoA to emergency service, extracted from Google maps using SAS version 9.2 (Zdeb 2010) [51]

∗ABS: Australian Bureau of Statistics, 2006.
#BCP: Basic Community Profile.
∗∗SES: Socioeconomic Status.
##SEIFA: Socioeconomic Index for Areas.