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Table 4 Descriptives and t-tests of mean change in intervention component measures

From: Effects of a home-based activation intervention on self-management adherence and readmission in rural heart failure patients: the PATCH randomized controlled trial

Variable Possible score range Group Number Baseline Mean (SD) Number Month 3 Mean (SD) Mean change (SD) t-test (p-value) a
Self-management knowledgeb 0–27 Intervention 51 21.1 (2.8) 51 23.1 (2.7) 2.0 (3.4) .337
   Control 49 19.4 (3.0) 47 21.1 (2.5) 1.7 (2.6)  
Self-efficacy for HF self-managementc 0–100 Intervention 51 44.9 (24.7) 51 59.7 (17.3) 14.8 (26.0) .034
   Control 49 49.2 (22.9) 47 53.8 (24.0) 5.2 (25.5)  
Patient activation (PAM Rasch scaled scores) d 0–100 Intervention 51 57.3 (19.2) 50 69.1 (16.7) 11.7 (21.3) .069
   Control 48 56.6 (18.6) 47 61.4 (18.2) 5.7 (18.5)  
Self-management strategies (RSCB) e 0–145 Intervention 50 86.8 (19.3) 51 115.7 (19.6) 28.9 (23.0) <.0005
   Control 49 91.9 (19.9) 47 97.6 (22.6) 5.6 (22.3)  
  1. aOne-tailed test of group difference in change from baseline to 3 months, equal variances not assumed
  2. bPossible range for Self-management knowledge: 0-27
  3. cPossible range for self-efficacy for HF self-management: 0-100
  4. dPossible range for patient activation measure: 0-100
  5. ePossible range for self-management strategies: 0-145