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Table 1 The characteristics of randomized control trial

From: A randomized controlled trial to evaluate an educational strategy involving community health volunteers in improving self-care in patients with chronic heart failure: Rationale, design and methodology

Group GROUP I GROUP II Group III
Intervention (education) Strategy I Strategy II Control group (Standard care)
Educators CHVs Formal health educators -
Strategy Face-to-face Small group -
Duration 2 hours 4 hours -
Participants 77 77 77
Setting Patients’ homes Hospital -
Materials Simplified instruction for self-care provided by a GP and under supervision a cardiovascular specialist Simplified instruction for self-care provided by a GP and under supervision of a cardiovascular specialist -
Monitoring Checking 25% of cases by one of investigators for intervention fidelity An investigator attending in class without announcing -