Skip to main content

Table 4 MITI summary scores during treatment delivery by treatment allocation group

From: Assessing treatment fidelity and contamination in a cluster randomised controlled trial of motivational interviewing and cognitive behavioural therapy skills in type 2 diabetes

MITI Domain Attention control group (mean; SD) Intervention group (mean; SD) z-test (from mixed model) 95% confidence interval for mean difference
Global Spirit 2.63 (1.12) 4.03 (1.05) z = 4.50, p < .001 0.81, 2.06
Global Empathy 3.40 (0.98) 4.23 (0.89) z = 4.55; p < .001 0.49, 1.23
  Attention control group (median; IQR) Intervention group (median; IQR) z-test (from Somers’ D)  
Reflection-to-Question Ratio 0.50 (0.33–0.71) 0.44 (0.32–0.61) z = −0.55; p = .58  
Percent Open Questions 23.1 (13.3–37.5) 46.5 (33.3–57.1) z = 4.17, p < .001  
Percent Complex Reflections 55.6 (41.9–71.4) 53.8 (40.0–71.4) z = 0.12, p = .90  
Percent MI-Adherent 21.4 (10.0–35.0) 63.4 (33.3–83.3) z = 3.68; p < .001