New opiate and crack-cocaine users: characteristics and trends 39 
 
* = value less than 5 
Using the Hay et al. (2014) estimates for the total OCU population, it is possible to produce an 
estimate of the proportion of all OCUs who reside in each LAA area by dividing the point-
estimates for each LAA by the total. The results of this are shown in the table below.  
 
Proportion of the total opiate and cocaine using population covered by each individual LAA. 
Proportion of estimated total OCU population covered by each Drug & Alcohol Action Team (DAAT) 
Barking and Dagenham  0.4% Harrow 0.3% Richmond upon 
Thames 0.2% 
Barnet 0.5% Hartlepool 0.3% Rochdale 0.5% 
Barnsley 0.6% Havering 0.3% Rotherham 0.6% 
Bath and North East Somerset 0.4% Herefordshire 0.2% Rutland 0.0% 
Bedford/Befordshire 0.6% Hertfordshire 1.1% Salford 0.5% 
Bexley 0.2% Hillingdon 0.4% Sandwell 0.7% 
Birmingham (DAT) 3.7% Hounslow 0.4% Sefton 0.6% 
Blackburn With Darwen 0.5% Isle of Wight 0.2% Sheffield 1.5% 
Blackpool 0.6% Islington 0.9% Shropshire 0.3% 
Bolton 0.7% Kensington and Chelsea 0.4% Slough 0.4% 
Bournemouth 0.6% Kent 1.7% Solihull 0.3% 
Bracknell Forest 0.1% Kingston Upon Hull 1.1% Somerset 0.6% 
Bradford 1.5% Kingston upon Thames 0.2% South 
Gloucestershire 0.3% 
Brent 0.6% Kirklees 0.9% South Tyneside 0.3% 
Brighton and Hove 0.7% Knowsley 0.3% Southampton 0.6% 
Bristol (DAT) 1.8% Lambeth 1.0% Southend-on-Sea 0.4% 
Bromley 0.4% Lancashire 2.2% Southwark 1.0% 
Buckinghamshire 0.5% Leeds (DAT) 1.9% St Helens 0.4% 
Bury 0.3% Leicester (DAT) 1.0% Staffordshire 1.1% 
Calderdale 0.4% Leicestershire 0.6% Stockport 0.4% 
Cambridgeshire 0.6% Lewisham 0.8% Stockton-on-Tees 0.6% 
Camden 0.8% Lincolnshire 1.0% Stoke-on-Trent 0.8% 
Cheshire East & West + Chester 1.1% Liverpool (DAT) 1.8% Suffolk 0.8% 
City of London 0.0% Luton 0.5% Sunderland 0.4% 
Isle of Wight * * * * * * * * * 5 
Plymouth * * * * * * * * * 5 
Poole * * * * * * * * * * 
Torbay * * * * * * * * * * 
Rutland * * * * * * * * * * 
Total  953 27,626 32,208 37,074 33,542 33,598 25,440 22,487 17,467 230,395