Friday, January 19, 2024

 

The fallacy of the local bar: do individuals opt to travel farther than the neighborhood watering hole?


Peer-Reviewed Publication

COLUMBIA UNIVERSITY'S MAILMAN SCHOOL OF PUBLIC HEALTH





January 17, 2024--  Individuals travel beyond their residential neighborhood and area of work to bars, but tend to travel to liquor stores closer to home, according to a new study at the Columbia University Mailman School of Public Health and the Monash University School of Public Health and Preventive Medicine. The findings are published in the journal Drug and Alcohol Review

“Our study aimed to characterize individuals’ trips to alcohol outlets and describe these trip locations in the context of the mixed results we have seen from previous studies on alcohol outlet density and consumption,” said Christina A. Mehranbod, in the Department of Epidemiology, and first author. “Understanding where people travel to access alcohol outlets, like bars and liquor stores, is essential for understanding the environments to which people are exposed and ultimately influence decisions related to alcohol consumption.” 

Using 2014-2018 household travel data from the Victoria Integrated Survey of Travel and Activity from Victoria, Australia, the researchers categorized trip origins and destinations by 10 place types, by total trip distance and duration, and geographic location as well as transport mode, and other personal and household level variables including age, and income, among others. 

People were willing to travel to a bar travel farther than the distance and time people were willing to travel to liquor stores. Among 23,512 respondents, 378 or 1.6 percent traveled 18 minutes and approximately 5 miles to visit a bar versus the 79 study participants or 0.3 percent for a liquor store purchase. Bar trips added slightly over 5 miles and 18 minutes to cumulative travel; 41percent attended bars co-located in participants’ home local government area.

“Trips to and from liquor stores were shorter and quicker than trips to and from bars,” observed Christopher Morrison, PhD, assistant professor of Epidemiology at Columbia Mailman School, and senior author.

One-one-way trips to liquor stores had a mean distance of 8.7 miles and took 12.2 minutes, but these trips added only 3 miles and 8.9 minutes to the cumulative travel distance over the full day. “We attribute this variation because trips to liquor stores are commonly part of complex trips involving multiple stops, Morrison noted. Additionally, trips to liquor stores are part of more complex daily journeys — for example, it can be a stop between someone’s workplace and home. Also people might travel farther for unique bar experiences but proximity influences liquor store purchases.”

“This finding highlights the fact that alcohol outlet placement potentially affects populations well beyond the neighborhood in which outlets are placed,” said Morrison.

In addition to describing where people travel to access bars and liquor stores, the research team also tested the impact of alcohol outlet density on trips to alcohol outlets. In sync with other literature, Morrison and team found alcohol outlet density to play a role.

“With alcohol consumption continuing to take a considerable toll on public health, we believe that refining the scientific methods for measuring exposure to alcohol outlets that may influence decisions to consume alcohol remains a research priority,” said Mehranbod.

Co-authors are Ariana Gobaud and Brady Bushover, Columbia Mailman School of Public Health.  Christopher Morrison is based at Columbia University and has an adjunct appointment at Monash University.

The study was supported by the National Institute on Alcohol Abuse and Alcoholism (F31AA031193, K01AA026327, R01AA029112), the National Institute on Drug Abuse (T32DA031099), and National Center for Injury Control and Prevention, Centers for Disease Control and Prevention (R49CE003094).

Columbia University Mailman School of Public Health

Founded in 1922, the Columbia University Mailman School of Public Health pursues an agenda of research, education, and service to address the critical and complex public health issues affecting New Yorkers, the nation and the world. The Columbia Mailman School is the fourth largest recipient of NIH grants among schools of public health. Its nearly 300 multi-disciplinary faculty members work in more than 100 countries around the world, addressing such issues as preventing infectious and chronic diseases, environmental health, maternal and child health, health policy, climate change and health, and public health preparedness. It is a leader in public health education with more than 1,300 graduate students from 55 nations pursuing a variety of master’s and doctoral degree programs. The Columbia Mailman School is also home to numerous world-renowned research centers, including ICAP and the Center for Infection and Immunity. For more information, please visit www.publichealth.columbia.edu

 

 

 

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