Background: Alcohol-related harm in night-time entertainment precincts (NEPs) is disproportionately high for the amount of alcohol consumed within these areas. Previous evaluations of alcohol restrictions targeting NEPs have often looked at restrictions in isolation and not attempted to create a comprehensive theoretical explanation that takes multiple restrictions into account. The aim of this review is to establish which restrictions have been adequately evaluated in previous literature, and to identify any research which may provide the basis for a theoretical model that explains the interactions between different alcohol restrictions in NEPs and their combined impact on alcohol-related-harm Methods: A mapping review was conducted to plot evaluations of the effectiveness of different alcohol restrictions in NEPs at reducing assault and injury rates (protocol PROSPERO 2017: CRD42017069773). Six databases and 145 websites were searched, results were categorised based on the type of restrictions evaluated: Outlet density, trading hours, lockouts, price, patron bans, and drinks restrictions. Results: Forty-eight articles were identified out of 20,743 returned by the systematic search. Thirty-five of these papers were original works, and 13 reviews. Outlet density was examined in 15 of the papers, trading hours in 30, lockouts in 21, price in 2, patron bans in 7 and drinks restrictions in 15. Conclusion: No preexisting theoretical models were identified. Outlet density, trading hours, and price restrictions all had evidence that suggested high levels of effectiveness in NEPs and would be suitable for inclusion in a theoretical model. More research is required before attempting to include lockouts, patron bans and drinks restrictions in a theoretical model. Future research should focus on establishing a theoretical model based on evidence of effective alcohol restrictions and gathering an evidence base for under-researched restrictions.

This commentary introduces the special section on the outcomes of the Queensland Alcohol-related violence and Night-time Economy Monitoring project and outlines the political and policy context of the interventions put in place under the Queensland government's Tackling Alcohol-Fuelled Violence strategy. The development of the strategy was informed by alcohol policy initiatives trialled in other major Australian cities over the past two decades. The articles in this special section examine the impact of the Tackling Alcohol-Fuelled Violence policy stages on alcohol-related harms and local economies across selected entertainment precincts (Safe Night Precincts). A rich array of data were utilised, including administrative health and justice data, data reflective of nightlife trading (i.e. foot traffic data, ID scanner data and live music performances) and street surveys. Findings have implications for research, policy and practice and demonstrate the need for comprehensive evaluations that can accommodate the complexities of modern alcohol policy in Australia.

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This closing commentary to the special section presents an overview of the Queensland Alcohol-related violence and Night-Time Economy Monitoring evaluation findings in comparison to those from other jurisdictions where similar interventions have been implemented (such as Sydney and Newcastle), and especially with previous studies that have used similar evaluation methodologies, such as the Dealing with Alcohol and the Night-Time Economy study. Overall, the articles documented promising reductions in alcohol-related harm, building on the existing evidence base for multi-pronged interventions in entertainment districts. Importantly, this is the first comprehensive investigation to also look at impacts on nightlife-related business and findings demonstrated, that there were improvements for many businesses. There are substantial policy implications for Queensland and other jurisdictions (nationally and globally) wanting to reduce late night alcohol-related harm in entertainment districts.

Introduction. On 1 July 2016, stage 1 of the Tackling Alcohol-Fuelled Violence (TAFV) policy was introduced in Queensland, Australia and included restricted alcohol service to 03:00 in dedicated entertainment precincts (safe night precincts or SNPs). During stage 2 (from 1 February 2017), the number of extended trading permits (i.e. trading until 05:00) per venue were reduced; and during stage 3 (from 1 July 2017), networked identification scanners were mandated for late-night venues. We aim to examine whether patron drinking behaviours in two key SNPs changed significantly following stages 2 and 3. Methods. The study design was repeated cross-sectional, with three data collection (policy) stages. Patrons street surveys were conducted in Fortitude Valley (n = 2066) and Cairns (n = 1021) SNPs between July 2016 and November 2018. Linear or negative binomial regressions were conducted to examine changes in three key outcomes: blood alcohol concentration (BAC) reading, proportion of pre-drinkers and number of pre-drinks. Results. We found no significant difference in BAC reading, proportion of pre-drinkers or number of pre-drinks at stages 2 and 3 of the policy compared to baseline in Fortitude Valley. In Cairns, we found significant reductions in patron BAC at stage 3 of the policy, and female BAC at stages 2 and 3 compared to baseline; while the proportion of females pre-drinking significantly reduced by half in stage 2. Discussion and Conclusions. Despite evidence of some reductions in alcohol consumption, high levels of intoxication remain, suggesting harm reduction may be more difficult to achieve in these drinkers.