Table 2

Groups of statin users to be identified in the study cohort

Type of statin userDefinition
ContinuingMaintained the same or greater level of adherence from 2004 to 2005 (≤20% change)
ReducedLevel of adherence decreases from 2004 to 2005 (>20% change)
CeasedNo dispensing of a statin medication for a period of 6 months in 2005