Characteristics of Subjects.

1 Age of onset derived from the difference, in years, between data of first CVD event and date of birth 2 Maximum age is the age reached by the end of the study period, December 2009 3 POBW data was only available for a subset of the data, births after 1980 4 Social disadvantage was based on sextiles of the 1996 Australia Bureau of Statistics Index of Education and Occupation Characteristics of Subjects.