Table 1.
List of inclusion/exclusion criteria.
Fig 1.
Age distribution of consented participants.
Fig 2.
Response rate based on age and gender profiles.
The solid lines represent the observed age distribution within the register population, and the dotted lines represent the expected profile based on the general practice profiles.
Table 2.
Age profile of register compared to invited population.
Fig 3.
Ethnicity profiles of participating practices.
Fig 4.
Correlations between response rate and practice metrics.