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Problem-drinking among university students is common and poses serious health-related risks. Therefore, identifying and addressing associated factors is important. A large cross-sectional online-survey with 12,914 university students from Berlin was conducted from November 2016 to August 2017. Relative-risk- and correlation-analysis was used to identify factors associated with problem-drinking and regular heavy-drinking. Independent t-tests compared impulsivity and personality traits, chi-square-tests compared drinking motives between risk- and non-risk-drinkers. Male gender, tobacco-smoking, illegal substance use, impulsivity and various sociodemographic and psychosocial variables were significantly related to problem/heavy-drinking. Extraversion was a risk, conscientiousness and agreeableness were protective factors. Drinking-motives did not differ significantly between risk- and non-risk-drinkers. Generally, the main drinking-motives were to feel elated, relax and social purposes. The identified markers and related problem behaviors may serve as a tool to enhance the identification of student subgroups at risk for problem/heavy-drinking, and hence improve targeted health-intervention-programs. [ABSTRACT FROM AUTHOR]

Objectives: Drug checking as a tool for harm reduction is offered in certain cities throughout Europe, the USA, and Australia, but in general, it is internationally still scarcely available and controversially discussed. This study aimed at investigating the potential impact of a drug-checking offer on Berlin nightlife attendees' illicit drug use and at identifying the encouraging and discouraging factors for using or refraining from such an offer. Methods: Using an online questionnaire, we conducted a cross-sectional survey in a Berlin party scene. A total of 719 people participated in the survey that took part in 2019. Results: The vast majority of participants (92%) stated that they would use drug checking, if existent. If the test revealed the sample to contain a high amount of active ingredient, 91% indicated to take less of the substance than usual. Two-thirds (66%) would discharge the sample if it contained an unexpected/unwanted agent along with the intended substance. If the sample contained only unexpected/unwanted substances and not the intended substance at all, 93% stated to discharge the sample. Additional brief counseling was stated to be useful. Participants showed a comparatively high substance use. Conclusions: Drug checking as a harm reduction tool was highly accepted in the scene, and the majority of participants stated to align their consumption behavior accordingly, in a reasonable manner. A concomitant consultation would be appreciated, which may be used to direct educational information about harms and risks to users. [ABSTRACT FROM AUTHOR]

Background: Berlin is internationally known for its nightlife. In a nation-wide and Europe-wide comparison, the use of legal and illegal substances is comparatively higher in Berlin than in other similar cities. However, few data exist about the drug use in the party scene.Objective: This study aims to assess the sociodemographic characteristics of Berlin's party scene and its patterns of substance use as well as expectations towards prevention in order to derive appropriate preventive measures.Methods: Using questionnaires, both online (n = 674) and in the field (n = 203), a total of 877 people of the Berlin party scene were interviewed. The questionnaires ascertained the demographic information of the participants and patterns of substance use in the scene. It also collected the demand for consulting services and personal assessments on the usefulness of prospective and existing prevention programs and offers.Results: The study participants were 29 years old (SD 7.5); 43% were female. Alcohol is the most common substance in the party scene, followed by cannabis, MDMA/Ecstasy, amphetamine, cocaine, and ketamine. In this particular cohort, methamphetamine and "legal highs" did not play a major role. The most demanded preventive measure was more education about drugs and the so called drug-checking.Conclusions: Prevention in this area is both needed and requested, and an expansion of the existing programs (e.g., by so far politically controversial drug-checking) should be considered. [ABSTRACT FROM AUTHOR]

Background: The COVID-19 pandemic is presumably having an impact on the consumption of psychoactive substances. Social distancing and lockdown measures may particularly affect the use of "party drugs" (e.g., stimulants, dissociatives, and GHB/GBL) through the absence of typical use settings. We aimed to analyse the use patterns of those substances and underlying motivations before and during the pandemic.Methods: A subsample of 1,231 users of stimulants (amphetamine, methamphetamine, MDMA/ecstasy, cocaine), dissociative drugs (ketamine, dextromethorphan, PCP), and GHB/GBL was assessed from 30th April to 4th August 2020 as part of the Corona Drug Survey, a cross-sectional international online survey in five languages that included a total of 5,049 participants. The reported use of distinct substances and the underlying motivations were ascertained before (retrospectively) and during the pandemic. Furthermore, associations between drug use as a coping mechanism, pandemic-related stressors, and substance use were examined.Results: Regarding the reported frequency of use during the pandemic, 48.0-64.8% of the sample ceased or decreased, 11.9-25.5% maintained, and 23.6-29.1% increased their consumption. MDMA/ecstasy showed the strongest decrease and GHB/GBL and dissociatives the highest increase. Participants reported that price, quality, and supply were mostly unaffected by the pandemic. The most common motivations before and during the pandemic were mood-related factors, such as a desire to feel exhilarated, euphoric, high, or buzzed. The relevance of social purposes and mood-related motivators declined during the pandemic, whereas dealing with boredom increased. Overall, 16.4-35.6% perceived drug use as helpful for dealing with pandemic-related stressors, which were associated with an increased consumption frequency.Conclusion: The early stage of the COVID-19 pandemic was associated with major changes in the use of "party drugs". Those who increased their level of drug use and perceived it as a coping strategy in particular might be targeted with adaptive preventive and therapeutic measures. [ABSTRACT FROM AUTHOR]