Related Experiment Video
Updated: Apr 11, 2026
05:40
The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans
Published on: April 28, 2022
3.9K
Gender Differences in Predrinking Behavior Among Nightclubs' Patrons
Mariana G R Santos1, Angela T Paes2, Adriana Sanudo3
1Department of Preventive Medicine, Section of Epidemiology, Universidade Federal de São Paulo, São Paulo, Brazil.
Alcoholism, Clinical and Experimental Research
|June 11, 2015
Summary
Predrinking is more common in men, but both genders who predrink show similar alcohol consumption patterns. However, predrinking is linked to different risks for men (drinking and driving) and women (sexual harassment), requiring gender-specific interventions.
Area of Science:
- Public Health
- Alcohol Research
- Sociology
Background:
- Predrinking, or drinking before entering nightclubs, is linked to increased alcohol-related harm.
- Understanding gender differences in predrinking is crucial for targeted harm reduction strategies.
Purpose of the Study:
- To investigate gender disparities in predrinking behaviors.
- To assess the association between predrinking and risk behaviors within nightclubs.
Main Methods:
- A portal survey was conducted with 2,422 patrons at nightclub entrances and 1,833 at exits in São Paulo, Brazil.
- Data collection included breath alcohol concentration (BrAC) measurements and face-to-face interviews on predrinking and risk behaviors.
- Weighted analyses were stratified by gender to identify differences.
Main Results:
- Predrinking was reported by 49.2% of men and 29.0% of women.
- Predrinkers were more likely to drink inside the nightclub regardless of gender.
- Men who predrank had a higher likelihood of drinking and driving (OR=6.9), while women faced increased risk of sexual harassment (OR=2.9).
Conclusions:
- Predrinking is more prevalent in men, yet consumption patterns and exit BrAC are similar between genders.
- Risk behaviors associated with predrinking differ significantly by gender.
- Gender-specific interventions are recommended to mitigate alcohol-related harm in nightclub settings.
Related Concept Videos
00:57Deindividuation
31.2K
Deindividuation is a form of social influence on an individual’s behavior such that the individual engages in unusual or non-normal behavior while in a group setting. Why? Because in these group settings, the individual no longer sees themselves as an individual anymore, disinhibiting their behavior and personal restraint.
31.2K
01:27CNS Depressants: Alcohol and Nicotine
1.6K
Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
1.6K
01:24Substance Use Disorders Affecting Sleep
563
Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Understanding the concepts of physical dependence,...
563
01:24Testing a Claim about Population Proportion
4.2K
A complete procedure for testing a claim about a population proportion is provided here.
There are two methods of testing a claim about a population proportion: (1) Using the sample proportion from the data where a binomial distribution is approximated to the normal distribution and (2) Using the binomial probabilities calculated from the data.
The first method uses normal distribution as an approximation to the binomial distribution. The requirements are as follows: sample size is large...
There are two methods of testing a claim about a population proportion: (1) Using the sample proportion from the data where a binomial distribution is approximated to the normal distribution and (2) Using the binomial probabilities calculated from the data.
The first method uses normal distribution as an approximation to the binomial distribution. The requirements are as follows: sample size is large...
4.2K
01:29Factors Influencing Attraction V: Social Skills
954
Social skills play a crucial role in shaping interpersonal interactions and enhancing individuals' ability to navigate various social environments successfully. These skills contribute to personal and professional success, influencing how others perceive and treat individuals. High social skills provide distinct advantages in numerous settings, including romantic relationships, politics, and legal proceedings. In courtroom settings, for instance, defendants who exhibit strong social skills are...
954
01:21Impact of Social Context on Individuals
472
Social psychology examines how the real or imagined presence of others influences individuals' thoughts, feelings, and behaviors. A key concept in this field is the role of social context in shaping behavior. The same individual may act differently depending on the social setting, due to the varying expectations and norms associated with each environment. This context-dependent behavior illustrates the influence of social roles, which prescribe appropriate conduct in specific situations.Social...
472