Evaluation of legislation to reduce the drink drive limit in Scotland

• Register: ISRCTN
• Last refreshed on: 25 July 2023
• Main ID: ISRCTN38602189
• Date of registration: 27/06/2017
• Prospective Registration: No
• Primary sponsor: University of Glasgow
• Public title: Evaluation of legislation to reduce the drink drive limit in Scotland
• Scientific title: Evaluation of legislation to reduce the drink drive limit in Scotland: a natural experiment
• Date of first enrolment: 05/12/2012
• Target sample size: 64596800
• Recruitment status: Completed
• URL: https://www.isrctn.com/ISRCTN38602189
• Study type: Observational
• Study design: Observational natural experiment design (Other)
• Phase: Not Applicable

Countries of recruitment

Scotland, United Kingdom

Contacts

• Name: Jim Lewsey

Key inclusion & exclusion criteria

Inclusion criteria: The entire population of Scotland (intervention) and England and Wales (control).
Exclusion criteria: No exclusion criteria

Age minimum:
Age maximum:
Gender: Both

Health Condition(s) or Problem(s) studied

Road traffic accidents and per capita alcohol consumption.
Not Applicable
Road traffic accidents and per capita alcohol consumption.

Intervention(s)

In Scotland, the drink drive policy was updated and came into effect on 5th December 2014, lowering to 50mg per 100ml of blood from 80mg. In the rest of Great Britain, the limit has remained at 0.08 g/dL.

Road traffic accidents and alcohol consumption by reviewing databases (STATS19 and Nielsen market research). There observations will take place a weekly basis over the 4-year study period for road traffic accidents and 4-weekly over the 4-year study period for alcohol sales data.

Primary Outcome(s)

Road traffic accident counts will be measured by STATS19 police data of road accidents in Great Britain on a weekly basis over the 4-year study period.

Secondary Outcome(s)

1. Off-trade per capita alcohol sales will be measured by alcohol retail sales data from Nielsen market research company on a 4-weekly basis over the 4-year study period
2. On-trade per capita alcohol sales will be measured be alcohol retail sales data from Nielsen market research company on a 4-weekly basis over the 4-year study period

Secondary ID(s)

NIHR PHR 14/186/58

Source(s) of Monetary Support

National Institute for Health Research

Ethics review

Status:
Approval date:
Contact:

Old ethics approval format; Submission to MVLS College Ethics Committee, University of Glasgow. The committee reviewed the application and agreed that there is no objection on ethical grounds to the proposed study (letter dated 22/06/16).

Results

• Results available: Yes
• Date Completed: 31/12/2017