Wales Institute of Social & Economic Research, Data & Methods
Sefydliad Ymchwil Gymdeithasol ac Economaidd, Data a Dulliau Cymru

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Change in Alcohol Outlet Density and Alcohol-Related Harm to Population Health

Funder: National Institute for Health Research (NIHR)

Funding: £416,136

Start date: July 2011

End date: December 2013

Research team

Professor David Fone (Cardiff University), Dr Scott Orford (WISERD, Cardiff), Professor Frank Dunstan (Cardiff University), Professor Chris Webster (Cardiff University), Dr Shin Lee (Cardiff University), Dr Narushige Shiode (Cardiff University), Dr Sarah Rodgers (Swansea University), Professor Ronan Lyons (Swansea University)

Overview

The research will directly address the NIHR commissioning brief by firstly developing a new method of measuring alcohol outlet density in Wales using Geographical Information System (GIS) methods which include a more realistic and robust measure of population accessibility to alcohol outlets than previously published methods.

It will obtain data on alcohol outlets from the 22 local authorities in Wales who maintain public registers of Premises and Personal License holders under The Licensing Act 2003. A pilot of the collation of data and our discussions with the lead person in each authority have shown that the systematic collation of the alcohol outlet data is feasible.

Secondly, the research will exploit the potential of previously collected datasets by analysing the link between annual changes in outlet density with a wide range of alcohol-related harms. This will enable the research team to analyse outcome data on drinking above recommended sensible limits and binge drinking for 75,000 respondents to the five Welsh Health Surveys carried out between 2005 and 2009. There are data on hospital admissions for a defined list of causes which are wholly attributable to alcohol for all residents of Wales aged 16 years and over for 2005 to 2009, and a newly available dataset on night time attendances at the 13 accident & emergency (A&E) departments in Wales starting from 2009.

Finally, the Queen’s Anniversary Prize winning Violence and Society Research Group at Cardiff University has access to violent crime data from 2005 to 2009 reported by Police forces to be alcohol-related. The hospital datasets are anonymously record-linked within the Secure Anonymised Information Linkage (SAIL) databank which is run by the Health Information Research Unit (HIRU) at Swansea University. Working in collaboration with the mandated NHS Information Organisation, Health Solutions Wales, who maintain the NHS Administrative Register (NHSAR) of all residents of Wales registered with a general medical practitioner, SAIL has the complete population record required for our analyses. Using the methods developed by HIRU to assign an anonymous identifier to each record in the NHSAR it is possible to add the calculated outlet density for each individual by record-linkage. Each record is also linked to the 2001 Census geographical area of the lower layer super output area (LSOA) so that outlet density aggregated for LSOAs can be attached to each individual record. Because SAIL includes the LSOA deprivation score and information on changes of address, we can assess the impact of changes in outlet density on inequalities in alcohol-related health and the effect of population migration as specified by the NIHR commissioning brief.

Deliverables

The first paper from the project is available here: http://www.ncbi.nlm.nih.gov/pubmed/22691534

More information about the research project is available here

 

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