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      Effectiveness of a web-based intervention in reducing binge drinking among nightclub patrons Translated title: Efetividade de uma intervenção digital na diminuição da prática de binge drinking entre frequentadores de baladas

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          ABSTRACT

          OBJECTIVE

          To evaluate the effectiveness of a web-based intervention in reducing binge drinking among nightclub patrons after six months.

          METHODS

          We carried out a website survey with probabilistic sample in 31 nightclubs in the city of São Paulo, Brazil, which originated a randomized controlled trial with 1,057 participants. Those classified as problem drinkers (n = 465) using the Alcohol Use Disorders Identification Test were randomized into two study groups – intervention and control. The web-based intervention consisted of exposing the participants to a normative feedback screen about their alcohol consumption, characterizing the risks associated with amount consumed, money spent on drinks, drinking and driving, risk classification of Alcohol Use Disorders Identification Test, and tips to reduce damage.

          RESULTS

          There was a significant reduction in the practice of binge drinking in the week estimated at 38% among participants in the intervention group after six months (p < 0.05). However, there was no significant reduction in the outcomes when we analyzed the intervention and control groups and at baseline and after sixth months, simultaneously.

          CONCLUSIONS

          We cannot conclude that digital tools reduce the pattern of binge drinking among party goers in São Paulo. More studies are needed with this methodology because of its attractiveness to this type of group, given the privacy and speed that personalized information is transmitted.

          RESUMO

          OBJETIVO

          Avaliar, após seis meses, a efetividade de uma intervenção digital na diminuição da prática de binge drinking entre frequentadores de baladas.

          MÉTODOS

          Foi realizado um inquérito de portal através de uma amostra probabilística em 31 baladas da cidade de São Paulo, a qual originou um ensaio controlado randomizado com 1.057 participantes. Aqueles classificados como uso problemático do álcool (n = 465) através do Alcohol Use Disorders Identification Test foram randomizados em dois grupos de estudo – intervenção e controle. A intervenção digital consistiu em expor os participantes a uma tela de feedback normativo sobre seu consumo de álcool, caracterizando os riscos associados à quantidade consumida, valores gastos com bebidas, beber e dirigir, classificação do risco do Alcohol Use Disorders Identification Test e dicas de redução de danos.

          RESULTADOS

          Houve uma redução significativa da prática de binge drinking na semana estimada em 38% entre os participantes do grupo intervenção após seis meses (p < 0,05). Porém, não houve redução significativa nos desfechos quando se analisam os grupos intervenção e controle e os tempos início e seis meses após, simultaneamente.

          CONCLUSÕES

          Não se pode concluir que as ferramentas digitais reduzem o padrão de binge drinking nos frequentadores de baladas paulistanas. São necessários mais estudos com esta metodologia devido ao caráter atrativo para esse grupo, tendo em vista a privacidade e a rapidez que as informações personalizadas são transmitidas.

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          Most cited references31

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          Binge Drinking Among US Adults

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            Binge drinking among US adults.

            Binge drinking (consuming > or =5 alcoholic drinks on 1 occasion) generally results in acute impairment and has numerous adverse health consequences. Reports indicate that binge drinking may be increasing in the United States. To quantify episodes of binge drinking among US adults in 1993-2001, to characterize adults who engage in binge drinking, and to describe state and regional differences in binge drinking. The Behavioral Risk Factor Surveillance System, a random-digit telephone survey of adults aged 18 years or older that is conducted annually in all states. The sample size ranged from 102 263 in 1993 to 212 510 in 2001. Binge-drinking prevalence, episodes, and episodes per person per year. Between 1993 and 2001, the total number of binge-drinking episodes among US adults increased from approximately 1.2 billion to 1.5 billion; during this time, binge-drinking episodes per person per year increased by 17% (from 6.3 to 7.4, P for trend =.03). Between 1995 and 2001, binge-drinking episodes per person per year increased by 35% (P for trend =.005). Men accounted for 81% of binge-drinking episodes in the study years. Although rates of binge-drinking episodes were highest among those aged 18 to 25 years, 69% of binge-drinking episodes during the study period occurred among those aged 26 years or older. Overall, 47% of binge-drinking episodes occurred among otherwise moderate (ie, non-heavy) drinkers, and 73% of all binge drinkers were moderate drinkers. Binge drinkers were 14 times more likely to drive while impaired by alcohol compared with non-binge drinkers. There were substantial state and regional differences in per capita binge-drinking episodes. Binge drinking is common among most strata of US adults, including among those aged 26 years or older. Per capita binge-drinking episodes have increased, particularly since 1995. Binge drinking is strongly associated with alcohol-impaired driving. Effective interventions to prevent the mortality and morbidity associated with binge drinking should be widely adopted, including screening patients for alcohol abuse in accordance with national guidelines.
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              Bad nights or bad bars? Multi-level analysis of environmental predictors of aggression in late-night large-capacity bars and clubs.

              To clarify environmental predictors of bar-room aggression by differentiating relationships due to nightly variations versus across bar variations, frequency versus severity of aggression and patron versus staff aggression. Male-female pairs of researcher-observers conducted 1334 observations in 118 large capacity (> 300) bars and clubs in Toronto, Canada. Observers independently rated aspects of the environment (e.g. crowding) at every visit and wrote detailed narratives of each incident of aggression that occurred. Measures of severity of aggression for the visit were calculated by aggregating ratings for each person in aggressive incidents. Although bivariate analyses confirmed the significance of most environmental predictors of aggression identified in previous research, multivariate analyses identified the following key visit-level predictors (controlling for bar-level relationships): rowdiness/permissive environment and people hanging around after closing predicted both frequency and severity of aggression; sexual activity, contact and competition and people with two or more drinks at closing predicted frequency but not severity of aggression; lack of staff monitoring predicted more severe patron aggression, while having more and better coordinated staff predicted more severe staff aggression. Intoxication of patrons was significantly associated with more frequent and severe patron aggression at the bar level (but not at the visit level) in the multivariate analyses and negatively associated with severity of staff aggression at the visit level. The results demonstrate clearly the importance of the immediate environment (not just the type of bar or characteristics of usual patrons) and the importance of specific environmental factors, including staff behaviour, in predicting both frequency and severity of aggression.
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                Author and article information

                Journal
                Rev Saude Publica
                Rev Saude Publica
                rsp
                Revista de Saúde Pública
                Faculdade de Saúde Pública da Universidade de São Paulo
                0034-8910
                1518-8787
                16 January 2018
                2018
                : 52
                : 2
                Affiliations
                [I ]Universidade Federal de São Paulo. Escola Paulista de Medicina. Departamento de Medicina Preventiva. São Paulo, SP, Brasil
                Author notes
                Correspondence: Zila M Sanchez Departamento de Medicina Preventiva – UNIFESP Rua Botucatu, 740 4° andar 04023-900 São Paulo, SP, Brasil E-mail: zila.sanchez@ 123456unifesp.br

                Conflict of Interest: The authors declare no conflict of interest.

                Authors' Contribution: YCB: analysis and interpretation of the data and preparation and revision of the study. AS: design and planning of the analysis, interpretation of the data, and revision of the study. ZMS: design and planning of the study, data collection, analysis, and interpretation, revision of the manuscript, approval of the final version, public responsibility for the content of the article.

                Article
                10.11606/S1518-8787.2018052000281
                5777341
                29364357
                4284aff8-78b2-46fb-a0df-7638cc4af991

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 20 September 2016
                : 20 December 2016
                Page count
                Figures: 4, Tables: 6, Equations: 0, References: 36, Pages: 1
                Categories
                Original Articles

                binge drinking,prevention & control,internet,evaluation of the efficacy-effectiveness of interventions,randomized controlled trial,bebedeira,prevenção & controle,avaliação de eficácia-efetividade de intervenções,ensaio controlado aleatório

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