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Objective: The objectives of the present study were to report the proportion of older teenagers, including the subgroup operating a motor vehicle, presenting to an adult major trauma centre after injury with a positive blood alcohol concentration (BAC) over a 12‐year period. Methods: This was a registry‐based cohort study, including all patients aged 16–19 years presenting to an adult major trauma centre in Victoria, Australia from January 2008 to December 2019 and included in the trauma registry. A Poisson regression model was used to test for change in incidence of positive BAC associated trauma and summarised using incidence rate ratios (IRRs) and 95% confidence intervals (CIs). Results: There were 1658 patients included for analysis and alcohol was detected in 368 (22.2%; 95% CI 20.2–24.3). Most alcohol positive presentations were on weekend days (n = 207; 56.3%) and most were males (n = 307). Over the 12‐year period, there was a reduction in the incidence of older teenagers presenting with a positive BAC (IRR 0.95; 95% CI 0.93–0.98; P = 0.001). Among patients presenting after trauma in the setting of operating a motor vehicle (n = 545), alcohol was detected in 80 (14.7%) with no significant change in incidence of positive BAC (IRR 0.95; 95% CI 0.89–1.02; P = 0.17). Conclusions: A substantial proportion of older teenagers included in the registry had alcohol exposure prior to trauma. Despite a modest down‐trending incidence, the need for continuing preventive measures is emphasised. In particular, preventive efforts should be targeted at male, older teenagers undertaking drinking activities on weekend days and driving motor vehicles. [ABSTRACT FROM AUTHOR]

Objective: This retrospective observational study aimed to compare the impact of the Prevent Alcohol and Risk‐Related Trauma Youth (P.A.R.T.Y.) Program when delivered as In‐hospital or Outreach models to rural and regional students. Methods: The study population were consented participants from regional areas between 2013 and 2017 who completed pre‐programme, immediately post‐programme and 3–5 months post‐programme surveys. Responses from the metropolitan In‐hospital programme participants and regional Outreach programme participants were analysed within groups across the three time points. The primary outcome variable was a change in self‐reported perception of driving after drinking alcohol. Secondary outcome variables were designating a safe driver after drinking, perception of risk of injury if not wearing a seatbelt, risks of injury if undertaking physical risk‐taking activities and likelihood of the programme changing perceptions. Results: There were 1314 participants invited to participate and 547 (42%) sets of complete surveys were received, of whom 296 (54%) were Outreach participants. Pre‐programme, a significantly lower proportion of Outreach participants reported 'definitely not' to driving after drinking (84% vs 91%), and perceived a 'definite' likelihood of sustaining injury if not wearing a seatbelt (57% vs 66%). Outreach participants displayed improvements in likelihood to drive after drinking alcohol immediately post‐programme and on follow up (P = 0.028). Responses to all other secondary outcome measures demonstrated some improvement. Conclusions: Although demographically similar, baseline perceptions toward alcohol, risk‐taking and injury differed between groups. Improvements in perception were demonstrated across both models. These findings support P.A.R.T.Y. as an injury prevention initiative for regional youth. [ABSTRACT FROM AUTHOR]