Dr Philip Clare
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Dr Philip Clare

Senior Research Fellow (Biostatistics)
Prevention Research Collaboration | School of Public Health | Faculty of Medicine and Health

Adjunct Lecturer
National Drug and Alcohol Research Centre | UNSW Sydney
Dr Philip Clare

Philip is a Biostatistician, with a PhD in Biostatistics from UNSW Sydney and a Masters in Biostatistics from the University of Sydney. He currently works as a Biostatistician for the Prevention Research Collaboration at the University of Sydney, and is an Adjunct Lecturer with the National Drug and Alcohol Research Centre.

He has a particular research interest in alcohol and other substance use in adolescents and young adults. He also conducts methodological research, with a particular focus on causal inference using observational data, and the use of machine learning in causal inference.

Philip completed his PhD in 2020, with a focus on the use of targeted maximum likelihood estimation to estimate causal effects, under the supervision of Assoc. Prof. Timothy Dobbins, Prof. Richard Mattick and Assoc. Prof. Raimondo Bruno.

Biostatistics, longitudinal research, methodological research, alcohol, tobacco, adolescent health.

Reproductive, Maternal and Child Health, Neurosciences and Mental Health

Publications

Journals

  • McKetin, R., Degan, T., Saunders, L., Nguyen, L., Dore, G., Shoptaw, S., Farrell, M., Degenhardt, L., Kelly, P., Turner, A., Clare, P., et al (2024). A phase 3 randomised double-blind placebo-controlled trial of mirtazapine as a pharmacotherapy for methamphetamine use disorder: a study protocol for the Tina Trial. Trials, 25(1). [More Information]
  • Surkalim, D., Clare, P., Eres, R., Gebel, K., Bauman, A., Ding, D. (2024). Exercise to socialize? Bidirectional relationships between physical activity and loneliness in middle-aged and older American adults. American Journal of Epidemiology, 193(7), 996-1001. [More Information]
  • Nguyen-duy, T., Clare, P., Mielke, G., Brown, W., Ding, D. (2024). Physical activity across midlife and health-related quality of life in Australian women: A target trial emulation using a longitudinal cohort. PLoS Medicine, 21(5 May), e1004384. [More Information]

2024

  • McKetin, R., Degan, T., Saunders, L., Nguyen, L., Dore, G., Shoptaw, S., Farrell, M., Degenhardt, L., Kelly, P., Turner, A., Clare, P., et al (2024). A phase 3 randomised double-blind placebo-controlled trial of mirtazapine as a pharmacotherapy for methamphetamine use disorder: a study protocol for the Tina Trial. Trials, 25(1). [More Information]
  • Surkalim, D., Clare, P., Eres, R., Gebel, K., Bauman, A., Ding, D. (2024). Exercise to socialize? Bidirectional relationships between physical activity and loneliness in middle-aged and older American adults. American Journal of Epidemiology, 193(7), 996-1001. [More Information]
  • Nguyen-duy, T., Clare, P., Mielke, G., Brown, W., Ding, D. (2024). Physical activity across midlife and health-related quality of life in Australian women: A target trial emulation using a longitudinal cohort. PLoS Medicine, 21(5 May), e1004384. [More Information]

2023

  • Upton, E., Clare, P., Aiken, A., Boland, V., Torres, C., Bruno, R., Hutchinson, D., Kypri, K., Mattick, R., McBride, N., et al (2023). Changes in mental health and help-seeking among young Australian adults during the COVID-19 pandemic: a prospective cohort study. Psychological Medicine, 53(3), 687-695. [More Information]
  • Abdel Shaheed, C., Ivers, R., Vizza, L., McLachlan, A., Kelly, P., Blyth, F., Stanaway, F., Clare, P., Thompson, R., Lung, T., Reid, S., McCaffery, K., Mathieson, S., Maher, C., et al (2023). Clinical Observation, Management and Function Of low back pain Relief Therapies (COMFORT): A cluster randomised controlled trial protocol. BMJ Open, 13(11), e075286. [More Information]
  • Freeman, B., Owen, K., Rickards, S., Brooks, A., Clare, P., Dessaix, A. (2023). E-cigarette use by people who smoke or have recently quit, New South Wales, 2016–2020. Medical Journal of Australia, 218(3), 131-137. [More Information]

2022

  • O'Dean, S., Mewton, L., Chung, T., Clay, P., Clare, P., Bruno, R., Yuen, W., McBride, N., Swift, W., Isik, A., Tibbetts, J., Johnson, P., Slade, T., et al (2022). Definition matters: assessment of tolerance to the effects of alcohol in a prospective cohort study of emerging adults. Addiction, 117(11), 2955-2964. [More Information]
  • Ding, D., Van Buskirk, J., Nguyen-duy, T., Stamatakis, E., Elbarbary, M., Veronese, N., Clare, P., Lee, I., Ekelund, U., Fontana, L. (2022). Physical activity, diet quality and all-cause cardiovascular disease and cancer mortality: a prospective study of 346 627 UK Biobank participants. British Journal of Sports Medicine, 56(20), 1148-1156. [More Information]
  • Aiken, A., Chan, G., Yuen, W., Clare, P., Hutchinson, D., McBride, N., Najman, J., McCambridge, J., Upton, E., Slade, T., et al (2022). Trajectories of parental and peer supply of alcohol in adolescence and associations with later alcohol consumption and harms: A prospective cohort study. Drug and Alcohol Dependence, 237. [More Information]

2021

  • Clare, P., Aiken, A., Yuen, W., Upton, E., Kypri, K., Degenhardt, L., Bruno, R., McCambridge, J., McBride, N., Hutchinson, D., Slade, T., et al (2021). Alcohol use among young Australian adults in May–June 2020 during the COVID-19 pandemic: a prospective cohort study. Addiction, 116(12), 3398-3407. [More Information]
  • Nielsen, S., Gisev, N., Leung, J., Clare, P., Bruno, R., Lintzeris, N., Larance, B., Blyth, F., Hall, W., Cohen, M., et al (2021). Clinical correlates and outcomes associated with pregabalin use among people prescribed opioids for chronic non-cancer pain: A five-year prospective cohort study. British Journal of Clinical Pharmacology, 87(8), 3092-3104. [More Information]
  • McKetin, R., Dean, O., Turner, A., Kelly, P., Quinn, B., Lubman, D., Dietze, P., Carter, G., Higgs, P., Sinclair, B., Clare, P., et al (2021). N-acetylcysteine (NAC) for methamphetamine dependence: A randomised controlled trial. EClinicalMedicine, 38, 101005. [More Information]

2020

  • Yuen, W., Chan, G., Bruno, R., Clare, P., Mattick, R., Aiken, A., Boland, V., McBride, N., McCambridge, J., Slade, T., et al (2020). Adolescent Alcohol Use Trajectories: Risk Factors and Adult Outcomes. Pediatrics, 146(4), 1-11. [More Information]
  • Yuen, W., Chan, G., Bruno, R., Clare, P., Mattick, R., Aiken, A., Boland, V., McBride, N., McCambridge, J., Slade, T., et al (2020). Adolescent alcohol use trajectories: Risk factors and adult outcomes. Pediatrics, 146(4), 1-11. [More Information]
  • Aiken, A., Clare, P., Boland, V., Degenhardt, L., Yuen, W., Hutchinson, D., Najman, J., McCambridge, J., Slade, T., McBride, N., et al (2020). Parental supply of sips and whole drinks of alcohol to adolescents and associations with binge drinking and alcohol-related harms: A prospective cohort study. Drug and Alcohol Dependence, 215, 1-10. [More Information]

2019

  • Clare, P., Dobbins, T., Mattick, R. (2019). Causal models adjusting for time-varying confounding - A systematic review of the literature. International Journal of Epidemiology, 48(1), 254-265. [More Information]
  • Erthal, J., Berterame, S., Clare, P., Mattick, R. (2019). Hot Topic: Global Trends in the Use of Opioid Analgesics. Current Addiction Reports, 6(1), 41-48. [More Information]
  • Rossen, L., Mattick, R., Wilson, J., Clare, P., Burns, L., Allsop, S., Elliott, E., Jacobs, S., Olsson, C., Hutchinson, D. (2019). Mother-Infant Bonding and Emotional Availability at 12-Months of Age: The Role of Early Postnatal Bonding, Maternal Substance Use and Mental Health. Maternal and Child Health Journal, 23(12), 1686-1698. [More Information]

2018

  • Silins, E., Horwood, L., Najman, J., Patton, G., Toumbourou, J., Olsson, C., Hutchinson, D., Degenhardt, L., Fergusson, D., Becker, D., et al (2018). Adverse adult consequences of different alcohol use patterns in adolescence: an integrative analysis of data to age 30 years from four Australasian cohorts. Addiction, 113(10), 1811-1825. [More Information]
  • Munro, A., Shakeshaft, A., Breen, C., Clare, P., Allan, J., Henderson, N. (2018). Understanding remote Aboriginal drug and alcohol residential rehabilitation clients: Who attends, who leaves and who stays? Drug and Alcohol Review, 37, S404-S414. [More Information]

2017

  • Alammehrjerdi, Z., Ezard, N., Clare, P., Dolan, K. (2017). Methamphetamine use disorder untreated among women in methadone treatment in Iran. Iranian Journal of Psychiatry and Behavioral Sciences, 11(2), e7861. [More Information]
  • Courtney, R., Clare, P., Boland, V., Martire, K., Bonevski, B., Hall, W., Siahpush, M., Borland, R., Doran, C., West, R., et al (2017). Predictors of retention in a randomised trial of smoking cessation in low-socioeconomic status Australian smokers. Addictive Behaviors, 64, 13-20. [More Information]
  • Martire, K., Clare, P., Courtney, R., Bonevski, B., Boland, V., Borland, R., Doran, C., Farrell, M., Hall, W., Iredale, J., et al (2017). Smoking and finances: Baseline characteristics of low income daily smokers in the FISCALS cohort. International Journal for Equity in Health, 16(1), 157. [More Information]

2016

  • Iredale, J., Clare, P., Courtney, R., Martire, K., Bonevski, B., Borland, R., Siahpush, M., Mattick, R. (2016). Associations between behavioural risk factors and smoking, heavy smoking and future smoking among an Australian population-based sample. Preventive Medicine, 83, 70-76. [More Information]
  • Berterame, S., Erthal, J., Thomas, J., Fellner, S., Vosse, B., Clare, P., Hao, W., Johnson, D., Mohar, A., Pavadia, J., et al (2016). Use of and barriers to access to opioid analgesics: A worldwide, regional, and national study. The Lancet, 387(10028), 1644-1656. [More Information]

2015

  • Courtney, R., Naicker, S., Shakeshaft, A., Clare, P., Martire, K., Mattick, R. (2015). Smoking cessation among low-socioeconomic status and disadvantaged population groups: A systematic review of research output. International Journal of Environmental Research and Public Health, 12(6), 6403-6422. [More Information]

2014

  • Clare, P., Bradford, D., Courtney, R., Martire, K., Mattick, R. (2014). The relationship between socioeconomic status and ‘hardcore’ smoking over time - Greater accumulation of hardened smokers in low-ses than high-ses smokers. Tobacco Control, 23(e2), e133-e138. [More Information]

Selected Grants

2021

  • A Phase III randomised placebo-controlled trial of mirtazapine as a pharmacotherapy for methamphetamine ("Ice") dependence, Clare P, MRFF – Medical Research Future Fund/Research Grant