Postcodes as useful markers of social class: population based study in 26 000 British households.
Danesh
J
J
Clinical Trial Service Unit and Epidemiological Studies Unit, University of Oxford, Radcliffe Infirmary, Oxford OX2 6HE. john.danesh@balliol.ox.ac.uk
Gault
S
S
Semmence
J
J
Appleby
P
P
Peto
R
R
D006801:Humans; D007182:Income; D011159:Population Surveillance; D011177:Postal Service; D012111:Residence Characteristics; D012923:Social Class; D006113:United Kingdom