Each HA's allocated number provides the key to the bar charts.

In the first stage of the project, 23 HAs took part. The research was carried out between December 1997 and September 1998.

The participating HAs were:

1. Kingston and Richmond

2. Shropshire

3. Wakefield

4. Dorset

5. East Kent

6. Suffolk

7. Barnet

8. Newcastle and North Tyneside

9. Sunderland

10. Wiltshire

11. Bro Taf

12. South Essex

13. Buckinghamshire

14. Birmingham

15. Sheffield

16. East London and the City

17. Stockport

18. St Helens and Knowsley

19. Redbridge and Waltham Forest

20. Dyfed Powys

21. Rotherham

22. Leicestershire

23. Morecambe Bay