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Table 3 PROSPER progression criteria

From: Lay-therapist-delivered, low-intensity, psychosocial intervention for refugees and asylum seekers (PROSPER): protocol for a pilot randomised controlled trial

Progression criteriaGoAmendStop
Recruitment of trial participants≥ 70% of target50–69% of target< 50% of target
Retention of trial participants≥ 70% retained50–69% retained< 50% retained
Protocol adherence≥ 70% of intervention delivered per protocol50–69% of intervention delivered per protocol< 50% of intervention delivered per protocol
Completion of outcome measures≥ 70% of measures are complete50–69% of measures are complete< 50% of outcome measures are complete