Fig 1.
SPIRIT 2025 schedule of enrolment, interventions, and assessments.
Legend: HELP = HEart faiLure carer support Programme; ZBI-12 = Zarit Caregiver Burden Interview Short Form; PCS = Preparedness for Caregiving Scale; QoL = Quality of Life; SF-12 = 12-Item Short Form Survey; HADS = Hospital Anxiety and Depression Scale; PSS-10 = Perceived Stress Scale; MSPSS = Multidimensional Scale of Perceived Social Support; MLHFQ = Minnesota Living with Heart Failure Questionnaire; EQ-5D-5L = EuroQol Five Dimension Questionnaire; GP = General Practitioner; and LVEF = Left Ventricular Ejection Fraction.
Table 1.
Support Group Schedule.
Fig 2.
Legend HF = Heart Failure; QoL = Quality of Life; UK = United Kingdom; HELP = HEart faiLure carer support Programme; HSC = Health and Social Care; NHS = National Health Service; and in parentheses () and italics = mapping to Theoretical Domains Framework.
Fig 3.
Study Flow and Data Collection Process.
Legend UK = United Kingdom; HELP = HEart faiLure carer support Programme; GP = General Practitioner; HF = heart failure, and LVEF = left ventricular ejection fraction.
Table 2.
Participant Outcomes and Measurement Instruments.