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Design and methods of the Third Australian Study of Health and Relationships (ASHR3): a nationally representative sexual and reproductive health survey

Denton Callander, Hamish McManus, Erin Ogilvie, Deborah Bateson and 12 more

Sexual Health | Jun 23, 2026

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Comparisons with the most recent Census found the weighted ASHR3 sample was generally representative of the general population of Australia, with a mean of 1.22% difference across key sociodemographic characteristics.

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BACKGROUND: Significant social, technological and medical changes highlight a need for timely and representative sexual and reproductive health surveys, while also posing challenges to their design. This paper describes methods of the Third Australian Study of Health and Relationships (ASHR3). METHODS: From March 2023 to April 2024, data were collected from people aged 16-69 years via an anonymous survey of holistic sexual and reproductive health. ASHR3 collected data via random selection of mobile phone numbers for an interviewer-administered survey and via an online probability panel for a self-administered digital survey. Potential differences between the two modes of sampling and data collection were investigated. Sample-specific design weights were applied and calibrated to the 2021 Australian Census regarding gender, country of birth, education, religion and area of residence. RESULTS: The final sample was 12,833 people: 5693 men (48.63% weighted proportion), 6984 women (49.98%), and 156 non-binary people (1.39%) from every state and territory. Telephone interviews were conducted with 7226 participants and online surveys with 5607. The survey cooperation and response rates for the telephone sample were 86.11% and 3.54%, respectively, whereas the online completion rate was 98.73%. Few participants said the survey made them feel embarrassed (10.96%) and most said they were very honest in their responses (96.54%). Comparisons with the most recent Census found the weighted ASHR3 sample was generally representative of the general population of Australia, with a mean of 1.22% difference across key sociodemographic characteristics (s.d. 2.37). There were no differences observed in sociodemographic characteristics and other responses between the telephone and online samples. CONCLUSIONS: ASHR3 compiled rich, robust, and representative data on sexual and reproductive health from a large national sample. The inclusion of an online probability panel complemented the more traditional telephone-based methods. With more than 20 years of data, ASHR is an important resource for monitoring trends in sexual and reproductive health.

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Denton Callander

first | Sydney Orthopaedic Research Institute | ORCID 0000-0002-4116-4250

Hamish McManus

middle | Sydney Orthopaedic Research Institute | ORCID 0000-0002-7264-8848

Erin Ogilvie

middle | Sydney Orthopaedic Research Institute

Deborah Bateson

middle | The University of Sydney | ORCID 0000-0003-1035-7110

Christopher Fisher

middle | The University of Melbourne

Praveena Gunaratnam

middle | The University of Sydney

AE Grulich

middle | Sydney Orthopaedic Research Institute

Mo Hammoud

middle | La Trobe University

Wendy Heywood

middle | Centre for Eye Research Australia

Jane S. Hocking

middle | The University of Melbourne

Christopher Rissel

middle | The University of Sydney

Cathy Vaughan

middle | Melbourne Health | ORCID 0000-0003-3988-8222

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BibTeX

@article{Callander2026Design,
  title = {Design and methods of the Third Australian Study of Health and Relationships (ASHR3): a nationally representative sexual and reproductive health survey},
  author = {Denton Callander and Hamish McManus and Erin Ogilvie and Deborah Bateson and Christopher Fisher and Praveena Gunaratnam and AE Grulich and Mo Hammoud and Wendy Heywood and Jane S. Hocking and Christopher Rissel and Cathy Vaughan and Richard O. de Visser and Anna Yeung and Allison Carter and Rebecca Guy},
  journal = {Sexual Health},
  year = {2026},
  doi = {10.1071/sh25246},
  url = {https://doi.org/10.1071/sh25246}
}

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