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Table 4 Results of regression analyses (n = 112) on intentions to inspect feet and intentions to prescribe statins, with direct measures entered at Step 1 and the interaction between direct measures and trial group entered at Step 2.

From: Explaining the effects of an intervention designed to promote evidence-based diabetes care: a theory-based process evaluation of a pragmatic cluster randomised controlled trial

Dependent variable

Independent variables

Step 1

Step 2

  

β

R

Adj R2

β

R2 change

R2

Intention to inspect feet

Attitude

0.42***

  

-0.21

  
 

Subjective Norm (SN)

0.38***

  

0.97***

  
 

PBC

0.06

  

0.08

  
   

0.71***

0.48

   
 

Trial group × Attitude

   

0.72*

  
 

Trial group × SN

   

-0.65*

0.03*

0.51

Intention to prescribe statins

Attitude

0.09

     
 

Subjective Norm

0.67**

     
 

PBC

0.16

     
   

0.52***

0.25

 

0.02

0.27

  1. *p < 0.05, **p < 0.01, ***p < 0.001. PBC = Perceived behavioural control. Control group coded '0; intervention group coded '1'.