1Department of Social Medicine, University of Bristol, Bristol, UK
2South West Public Health Observatory, UK
3Department of Epidemiology, School of Public Health and Center for Social, Epidemiology and Population Health, University of Michigan, USA
Correspondence to: Dr B Galobardes Department of Social Medicine, University of Bristol, Canynge Hall, Whiteladies Road, Bristol BS8 2PR, UK; [email protected]
Accepted 03 September 2004
Funding: the work of JWL and GDS is supported (in part) by a Robert Wood Johnson Foundation Investigators Award in Health Policy Research. Funds from this award also partly support BG. MS is funded by the South West Public Health Observatory. DAL is funded by a UK Career Scientist Award. The views expressed in this paper are those of the authors and not necessarily any funding bodies.
Conflicts of interest: none declared.