<p dir="ltr">A sub-study calculating and linking built environment indicators for the High Life apartment buildings across Melbourne, Sydney and Perth, Australia, was undertaken between October 2019 and March 2020. This report including a summary of methods, a data dictionary and usage notes for the linked variables was prepared for the High Life team on 30 March 2020.</p><p dir="ltr">The methods used were based on those developed for the 2018 Australian National Liveability Study. For more information see: </p><blockquote>Higgs, C., Lowe, M., Hooper, P. <i>et al.</i> Policy relevant health related liveability indicator datasets for addresses in Australia’s 21 largest cities. <i>Sci Data</i> <b>10</b>, 113 (2023). https://doi.org/10.1038/s41597-023-02013-5</blockquote><p dir="ltr">The 2018 Australian National Liveability Study methods were in turn based on those developed in 2016-17 for the urban liveability index. The following paper contains further details on the general concepts involved:</p><blockquote>Higgs, C., Badland, H., Simons, K. <i>et al.</i> The Urban Liveability Index: developing a policy-relevant urban liveability composite measure and evaluating associations with transport mode choice. <i>Int J Health Geogr</i> <b>18</b>, 14 (2019). https://doi.org/10.1186/s12942-019-0178-8</blockquote><p dir="ltr">For more information on the High Life study, see:</p><blockquote>Foster S, Maitland C, Hooper P<i>, et al. </i>High Life Study protocol: a cross-sectional investigation of the influence of apartment building design policy on resident health and well-being. <i>BMJ Open</i> 2019;<b>9:</b>e029220. doi: 10.1136/bmjopen-2019-029220</blockquote><p></p>