A Cardiff University study has established a link between pub violence and happy hour-style drinking promotions.
The findings also show that pub staff themselves need to do more to stop heavily intoxicated customers from continuing to drink.
The team studied pubs and nightclubs with a history of violence across five different cities and towns in the UK. Customers entering and leaving the premises were breathalysed. The team also recorded data about the price of beer and any drink promotions at each establishment. Their findings were then linked to police and hospital data about assaults inside or immediately outside the premises.
The team found that premises with the highest levels of violence were most likely to have:
- The greatest change in customers' intoxication levels between entry and exit
- Price promotions on drinks
Dr Simon Moore, of Cardiff University's award-winning Violence and Society Research Group, who led the study, said: "Our findings clearly show that alcohol misuse and violence are not simply caused by drinkers' weaknesses. The way premises are run also contributes, suggesting the industry still has more to do in playing its part.
"The legislation requiring bar staff not to serve those who are already drunk should be properly enforced. Our study shows these customers are not difficult to spot - time should be called on those who can no longer walk in a straight line or who slur their speech.
"Measures to restrict promotions and enforce sensible drinking would make night-time city centres healthier and more enjoyable spaces for everyone who uses them."
The team's findings have just been published in the journal Alcohol and Alcoholism and the Project was funded by the Medical Research Council.
Explore further: Consultant offers tips for evaluating staff pay