Table 1

Feasibility outcomes thresholds

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  • Red—stop—main study not feasible.

  • Amber—continue but modify protocol—feasible with modifications.

  • Green—continue without modifications—feasible as is.

  • *Based on the percentage of drop out of older adults (33–37%) in comparable studies investigating psychotherapeutic treatment for depression in later life36–39 psychotherapeutic treatment trials.

  • BD, bipolar disorder; RfCBT-OA, Recovery-focused Cognitive Behavioural Therapy for Older Adults with BD.