Table 2

Example of baseline information for each group given at individual and cluster levels (adapted from Feder et al34)

Intervention groupControl group
Practice factors at baseline
No2527
List size:
Low (<1600)810
Medium (1600-2200)810
High (>2200)97
Practice nurse:
No811
Yes1716
Patient factors at baseline
No172156
Mean age (years)66.464.8
No (%) men107/172 (62)87/156 (56)
No (%) of smokers68/161 (42)49/141 (35)
No (%) with myocardial infarction103/172 (60)91/156 (58)