Table 1.
Wales and Australian standardised measures of the built environment
| Built environment feature | Indicative BE variables | Data source | |
| Wales | Australia | ||
| Outdoor home environment | Home garden/yard space and vegetation | Aerial imagery, NDVI/EVI | Aerial imagery, NDVI/EVI, Urban Monitor, Landgate (cadastre) |
| Child-relevant walkability | Road traffic exposure, dwelling density, residence type, street connectivity, one-way node count, land use mix, ‘local living score’, public transport stops | OS MasterMap, OSM | Landgate, Main Roads Western Australia, Western Australian Public Transport Authority, Valuer General Office, OSM |
| Child-relevant green/blue space | Public open space type (park, school grounds, natural, club/playgrounds, residual green space), park size category (pocket/small, medium/large, district/regional), park features and attractiveness, vegetation, blue space (distance to coast) | OS MasterMap and green space, OSM | University of Western Australia–Centre for the Built Environment and Health, Landgate |
| Child-relevant destinations and features | Playgroups, childcare centres, before and after school care services, kindergarten/nurseries, primary school, secondary school, other | Local authority data, OSM | Playgroup WA, Western Australian Department of Local Government, Sport and Cultural Industries, Department of Education, Department of Transport, Department of Planning, Lands and Heritage, Department of Health |
| Socioeconomic status | Such as household level of income | WIMD, individual-level SES data in SAIL Databank | Socio-Economic Indexes for Areas (SEIFA) |
| Household location | Required to derive other measures | UPRN (OS), linked to RALF within SAIL database | Property Street Address (PSA), GNAF |
BE, Built Environment; EVI, Enhanced Vegetation Index; GNAF, Geoscape Geocoded National Address File; NDVI, Normalised Difference Vegetation Index; OS, Ordnance Survey; OSM, OpenStreetMap; RALF, Residential Anonymised Linking Field; SAIL, Secure Anonymised Information Linkage; SES, socioeconomic status; UPRN, Unique Property Reference Number; WIMD, Welsh Index of Multiple Deprivation.