title: Socio-demographic mortality differentials: new longitudinal perspectives.
abstract: Recently collected data deriving from Census and vital registration records for one per cent of the population of England and Wales followed prospectively is being used to shed light on issues which have been of central interest to epidemiologists for more than a century. This paper outlines the strengths and weaknesses of this new longitudinal approach.
mesh_terms: D004739:England; D006801:Humans; D008137:Longitudinal Studies; D009026:Mortality; D012923:Social Class; D014852:Wales