Caregiver
depression
Outcomes for the CG include distress (measured by NPI-Q distress), quality of life (measured by Assessment of Quality of Life-6D [AQoL-6D] instrument), depression (measured by Patient Health Questionnaire-9 [PHQ-9]), resilience (measured by 14-item Resilience Scale [RS-14]), sense of competence (measured by Short Sense of Competence Questionnaire [SSCQ]) and the quality of caregiver-patient relationship (QCPR questionnaire) at 90 and 180 days post-randomisation.