AusUrbHI Heat Health Vulnerability Indices - NSW Cities and Regions Sample (SA1) 2021

Brief description

This dataset is a sample of the Heat Health Vulnerability Index (HHVI) from the Australian Urban Health Indicators (AusUrb-HI) project. It includes all SA1s within a single SA2 region in New South Wales (NSW).

This dataset provides a spatial indicator of population vulnerability to extreme heat at the Statistical Area Level 1 (SA1), developed as part of the Heat Health Vulnerability case study within the AusUrb-HI project. The indicator captures three dimensions of vulnerability: exposure, sensitivity, and adaptive capacity. It integrates demographic profiles, environmental conditions, and urban morphology to map areas most at risk of heat-related health impacts. A comprehensive description of the methodology and outcomes is available in this [report](https://resources.aurin.org.au/public/AusUrbHI%20Methodology%20and%20Outcome%20Report.pdf).

The AusUrb-HI project, led by AURIN, brings together expertise from QUT, RMIT, and UWA. It aims to enhance the understanding of urban health through spatial data assets across three themes: Cancer Determinants, Heat Health Vulnerability, and Urban Liveability & Health. These indicators are designed to inform health professionals, planners, and policymakers in delivering targeted, climate-sensitive strategies to improve health and resilience in urban environments.

This dataset focuses on the NSW case study area, where linked hospital admissions data enabled validation of the HHVI. The index was developed using principal component analysis (PCA) on up to 44 input variables, with results produced for both the 2016 and 2021 census years. Multiple downscaling methods were tested, showing high internal consistency and strong correlation with the Australian Bureau of Statistics' Index of Relative Socio-economic Disadvantage (IRSD).

The linked health data used for validation was accessed through the Centre for Health Record Linkage (CHeReL) and analyzed in the Secure Unified Research Environment (SURE).

This dataset is intended to support evidence-based planning for climate resilience and public health. Each record includes values for exposure, sensitivity, adaptive capacity, and the combined index, along with variables used to derive these indices.

Full description

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