|
Unit
|
Aboriginal health centres
|
|
Cluster
|
Pairs of health centres
|
|
Individuals
|
People with ARF/RHD who require secondary prophylaxis with penicillin, whose primary health centre is enrolled in the study
|
|
Timing of start of exposure
|
Groups of individuals (all individuals managed by a given community clinic) are first exposed at one of a number of discrete time points
|
|
Duration of exposure
|
Fixed length: 15 months per clinic
|
|
Measurement
|
Repeated measurements from individuals: record of every penicillin injection received, as documented in the ARF/RHD Register
|
|
Duration of trial
|
3.5 years
|
|
Number of clinics per cluster
|
2
|
|
Total number of clusters
|
5
|
|
Pre-roll out period
|
11 to 25 months
|
|
Roll out period
|
15 months
|
|
Post-rollout period
|
3 to 15 months
|
