J Med Assoc Thai 2002; 85 (4):496

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Application of 0.05 Per Cent Legal Blood Alcohol Limits to Traffic Injury Control in Bangkok
Suriyawongpaisal P Mail, Plitapolkarnpim A , Tawonwanchai A

A substantial proportion (44%) of traffic injury cases seeking emergency services in public
hospitals had a blood alcohol concentration (BAC) of 0.1 per cent or more. To reduce alcohol related
traffic injuries and deaths, a law was enacted setting a criminal
per se
legal blood alcohol limit at
0.05 per cent in 1994.
However, not until 1997, was an active public education program undertaken on a national
scale to raise awareness against drink driving and to support law enforcement. This includes dis-
semination of knowledge through multiple channels e.g., roadside posters; stickers on the back of
vehicles; sporadic radio and TV programs or spots; public announcements; press reports. In 1999,
highly visible sobriety check points were set up as a measure for law enforcement.
In order to systematically assess the campaign, multiple methods were used to collect
relevant data. This report focused on the outcomes of the campaign based on hospital surveillance
data in the emergency rooms of 4 public hospitals from March to November, 2000 on alternate
months.
It
was found that the campaign succeeded in raising public awareness and support for law
enforcement against drink driving. However, the proportion of road victims with illegal BAC seek-
ing emergency care did not decline after 17 months of the campaign. Limitations and weaknesses
of law enforcement activities were discussed along with recommendation for future action.
Key word : Drink Driving, Evaluation, Thailand

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