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Table 4 Predictors of behavioural intentions and behaviour using multiple regression

From: Using the theory of planned behaviour as a process evaluation tool in randomised trials of knowledge translation strategies: A case study from UK primary care

  Coefficent* (95% CI) p-value R2
Predictors of intentions    
Ferritin    86%
Attitude 0.91(0.80, 1.02) < 0.001  
Subjective norm 0.29 (0.11, 0.48) < 0.01  
Perceived behavioural control -0.08(-0.19, 0.04) 0.203  
FSH    86%
Attitude 0.94 (0.81, 1.06) < 0.001  
Subjective norm 0.33 (0.14, 0.51) < 0.01  
Perceived behavioural control 0.12 (-0.05, 0.28) 0.156  
HPS    65%
Attitude 0.46 (0.10, 0.81) 0.013  
Subjective norm 0.41 (0.12, 0.71) 0.008  
Perceived behavioural control -0.10 (-.20, -.00) 0.048  
Predictor of behaviour    
Ferritin    
Intentions -1.78 (-3.59, 0.03) 0.061 8.5%
FSH    
Intentions -0.82 (-1.70, 0.06) 0.075 7.7%
HPS    
Intentions 0.28 (-1.98, 2.54) 0.808 0.1%
  1. * Coefficient interpreted as the change in intentions (or behaviour) for each unit change in the construct (predictor)