Fig. 1From: An external pilot cluster randomised controlled trial of a theory-based intervention to improve appropriate polypharmacy in older people in primary care (PolyPrime): study protocolOverview of the PolyPrime study. *The follow-up time points for the control arm will be based on the average length of time from the completion of baseline data collection to 6 and 9 months post initial medication review in the intervention armBack to article page