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Dr Adrian Walker

Dr Adrian Walker

Research Fellow
Medicine & Health
Centre for Big Data Research in Health

I am a biostatistician interested in using large health data to improve the health and wellbeing of priority populations. I have published work on the health needs of people with intellectual disability, people living with dementia, and people with psychotic disorders. I am currently leading the analysis on a multinational project on project on infertility, assisted reproduction, and cancer. In my work I promote the co-design of research with priority populations, and have coordinated advocate advisory groups on four large health data projects.

I have a particular interest in causal inference of observational data, leading the Causal Analysis, Reasoning, and Inference Club at UNSW Sydney. Particularly I have an interest in promoting good research practice, including the estimation of bias and use of directed acylcic graphs (DAGs) in observational research.

Location
Centre for Big Data Research In Health Level 2, AGSM UNSW Sydney
  • Journal articles | 2024
    Walker AR; Srasuebkul P; Trollor JN; Wand APF; Draper B; Cvejic RC; Moxey A; Reppermund S, 2024, 'Mortality in people living with dementia who self-harmed: An Australian data linkage study', Australian and New Zealand Journal of Psychiatry,
    Journal articles | 2024
    Walker AR; Venetis CA; Opdahl S; Chambers GM; Jorm LR; Vajdic CM, 2024, 'Estimating the impact of bias in causal epidemiological studies: the case of health outcomes following assisted reproduction', Human Reproduction, 39, pp. 869 - 875,
    Journal articles | 2023
    Reppermund S; Walker A; Cvejic R; Srasuebkul P; Wand A; Draper B; Trollor JN, 2023, 'Self‐harm in people with dementia – assessing risk factors, health profiles and healthcare pathways using big data', Alzheimer's & Dementia, 19,
    Journal articles | 2023
    Srasuebkul P; Walker AR; Cvejic RC; Trollor JN; Lappin JM; Curtis J; Samaras K; Dean K; Ward PB; Reppermund S, 2023, 'Hospital service utilisation of people previously hospitalised with different subtypes of psychotic disorder: A record linkage study', Australian and New Zealand Journal of Psychiatry, 57, pp. 844 - 853,
    Journal articles | 2023
    Walker AR; Srasuebkul P; Trollor JN; Wand APF; Draper B; Cvejic RC; Moxey A; Reppermund S, 2023, 'Risk factors for dementia and self-harm: A linkage study', Alzheimer's and Dementia, 19, pp. 5138 - 5150,
    Journal articles | 2022
    Cvejic RC; Watkins TR; Walker AR; Reppermund S; Srasuebkul P; Draper B; Withall A; Winkler D; Honan I; Mackechnie D; Trollor J, 2022, 'Factors associated with discharge from hospital to residential aged care for younger people with neuropsychiatric disorders: An exploratory case-control study in New South Wales, Australia', BMJ Open, 12, pp. e065982,
    Journal articles | 2022
    Walker AR; Trollor JN; Florio T; Srasuebkul P, 2022, 'Predictors and outcomes of recognition of intellectual disability for adults during hospital admissions: A retrospective data linkage study in NSW, Australia', PLoS ONE, 17, pp. e0266051,
    Journal articles | 2021
    Cvejic RC; Srasuebkul P; Walker AR; Reppermund S; Lappin JM; Curtis J; Samaras K; Dean K; Ward P; Trollor JN, 2021, 'The health service contact patterns of people with psychotic and non-psychotic forms of severe mental illness in New South Wales, Australia: A record-linkage study', Australian and New Zealand Journal of Psychiatry, 56, pp. 675 - 685,
    Journal articles | 2021
    Newman VE; Yee HF; Walker AR; Toumbelekis M; Most SB, 2021, 'Out of fright, out of mind: impaired memory for information negated during looming threat', Cognitive Research: Principles and Implications, 6,
    Journal articles | 2021
    Reppermund S; Walker AR, 2021, 'Addressing the High Rates of Mortality in People With Intellectual Disability', JAMA Network Open, 4, pp. E2113446,
    Journal articles | 2021
    Walker AR; Navarro DJ; Newell BR; Beesley T, 2021, 'Protection From Uncertainty in the Exploration/Exploitation Trade-Off', Journal of Experimental Psychology: Learning Memory and Cognition, 48, pp. 547 - 568,
    Journal articles | 2021
    Walker AR; Trollor JN; Reppermund S; Srasuebkul P, 2021, 'Reviewing causes of death of individuals with intellectual disability in New South Wales, Australia: a record-linkage study', Journal of Intellectual Disability Research, 65, pp. 998 - 1009,
    Journal articles | 2019
    Khoo SYS; Zhao J; Walker A; Kirkman J; Spehar B, 2019, 'Transitions and choices: Graduate student mentoring for psychology honours students. a practice report', Student Success, 10, pp. 147 - 154,
    Journal articles | 2019
    Walker AR; Luque D; Le Pelley ME; Beesley T, 2019, 'The role of uncertainty in attentional and choice exploration', Psychonomic Bulletin and Review, 26, pp. 1911 - 1916,
  • Preprints | 2020
    Walker AR; Navarro D; Newell BR; Beesley T, 2020, Protection from uncertainty in the exploration/exploitation trade-off,
    Preprints | 2019
    Walker AR; Luque D; Le Pelley M; Beesley T, 2019, A conceptual replication of Beesley et al. (2015), ,
    Conference Papers | 2017
    Walker AR; Le Pelley ME; Beesley T, 2017, 'Exploitative and Exploratory Attention in a Four-Armed Bandit Task', in CogSci 2017 - Proceedings of the 39th Annual Meeting of the Cognitive Science Society: Computational Foundations of Cognition, pp. 3484 - 3489