The findings suggest that a one-hour extension of bar closing hours led to an increase of an average of 20 violent cases at night on weekends per 100,000 people per year. This represents an increase in violence of approximately 16 percent.
The results suggest that the effect occurs both ways. In other words, reducing trading hours by one hour leads to a decrease in violence of the same magnitude as the increase in violence seen if closing hours are increased by one hour.
Lead author Professor Ingeborg Rossow said "These findings echo the results from studies from around the world that you see more violence in cities when you extend trading hours."
The study is based on data from 18 Norwegian cities that expanded or restricted their closing hours by up to two hours in the decade 2000 – 2010. Researchers examined whether these changes affected violence in the city centre on weekend nights. Violence outside the town during the same time window, which was not likely to be affected by changes in closing hours, was used as a control for other factors.
In these 18 cities weekend closing hours were between one and three at night, early by comparison to many cities around the world.
These findings come more than a year after the Norwegian government proposed reducing sales hours for on-premises trading to reduce violence and public nuisance. The proposal was supported by police commissioners but rejected by alcohol businesses and right wing political parties who claimed that reduced sales hours would not reduce violence.
Study co-author Professor Thor Norström said "These findings hold important implications for communities around the world who are struggling to deal with the massive burden of alcohol-related harm. If you want to reduce alcohol-related harm, restricting trading hours of licensed venues seems to be an effective measure."
Full citation: Rossow I. and Norström T. The impact of small changes in bar closing hours on violence: The Norwegian experience from 18 cities. Addiction, 106: doi: 10.1111/j.1360-0443.2011.03643.x
Addiction (www.addictionjournal.org) is a monthly international scientific journal publishing more than 2000 pages every year. Owned by the Society for the Study of Addiction, it has been in continuous publication since 1884.
Addiction is the top journal in the field of substance abuse and is number one in the 2010 ISI Journal Citation Reports © Ranking in the Substance Abuse Category. Addiction publishes peer-reviewed research reports on alcohol, illicit drugs and tobacco, bringing together research conducted within many different disciplines, as well as editorials and other debate pieces.
Addiction's key findings webpage lists the key scientific advances reported in each monthly issue, article by article, in bite-sized chunks. To access this free service, visit www.addictionjournal.org/keyfindings
Jean O'Reilly | EurekAlert!
The Great Unknown: Risk-Taking Behavior in Adolescents
19.01.2017 | Max-Planck-Institut für Bildungsforschung
A sudden drop in outdoor temperature increases the risk of respiratory infections
11.01.2017 | University of Gothenburg
An important step towards a completely new experimental access to quantum physics has been made at University of Konstanz. The team of scientists headed by...
Yersiniae cause severe intestinal infections. Studies using Yersinia pseudotuberculosis as a model organism aim to elucidate the infection mechanisms of these...
Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...
Laser-driving of semimetals allows creating novel quasiparticle states within condensed matter systems and switching between different states on ultrafast time scales
Studying properties of fundamental particles in condensed matter systems is a promising approach to quantum field theory. Quasiparticles offer the opportunity...
Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...
19.01.2017 | Event News
10.01.2017 | Event News
09.01.2017 | Event News
20.01.2017 | Life Sciences
20.01.2017 | Physics and Astronomy
20.01.2017 | Materials Sciences