Rhiannon Ellem

Rhiannon Ellem is a researcher affiliated with the National Centre for Youth Substance Use Research and the School of Psychology at The University of Queensland. Her work focuses on substance use, mental health, and implementation science, particularly in adolescent and youth populations. She contributes to studies on vaping, polysubstance use, pandemic impacts on treatment, and digital health interventions.

Research Interests:

• Implementation science in community alcohol and drug treatment services
• Polysubstance use patterns and treatment outcomes
• Longitudinal analysis of adolescent substance use during the pandemic
• Development and evaluation of eHealth interventions for lifestyle risk behaviors
• Epidemiology of vaping and nicotine use among youth
• Social network interventions for substance use prevention

Recent Publication Trends: Her 15 most recent articles emphasize implementation-effectiveness studies, cross-sectional and longitudinal analyses of substance use, and eHealth interventions for mental health and addiction. Key subfields include routine outcome monitoring, pandemic-related behavioral changes, vaping epidemiology, and digital health trials.

Education: She completed her Honours Thesis in 2017 titled Connecting live wires: a test of the social identity model of identity change in the retirement village context at the School of Psychology, The University of Queensland.