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Table 3 Group means (i.e., stage-matched vs. CPAG + control), unstandardized regression coefficients, p-values, effect-size, and power for the remaining six of 14 potential mediating psychological constructs.

From: A test of cognitive mediation in a 12-month physical activity workplace intervention: does it explain behaviour change in women?

  Group Means      
  Stage-matched Control + CPAG B p R2 power  
Response efficacy        
Initial Change 0.056 -0.007 0.063 0.187 0.005 0.261  
Delayed Change 0.046 -0.011 0.057 0.382 0.002 0.141  
Overall Change 0.073 -0.019 0.092 0.160 0.006 0.290  
Attitude        
Initial Change -0.090 -0.003 -0.087 0.079 0.010 0.420  
Delayed Change -0.016 0.008 -0.025 0.567 0.001 0.088  
Overall Change -0.055 0.010 -0.066 0.187 0.005 0.261  
Injunctive norms        
Initial Change 0.080 0.054 0.026 0.640 0.001 0.075  
Delayed Change 0.024 -0.018 0.041 0.469 0.002 0.112  
Overall Change 0.062 0.001 0.061 0.288 0.004 0.186  
Descriptive norms        
Initial Change 0.056 0.009 0.046 0.507 0.001 0.101  
Delayed Change 0.054 0.005 0.049 0.466 0.002 0.113  
Overall Change 0.086 0.000 0.086 0.236 0.004 0.220  
Social support        
Initial Change 0.098 0.041 0.057 0.435 0.002 0.122  
Delayed Change -0.017 -0.005 -0.012 0.879 < .001 0.053  
Overall Change 0.057 0.008 0.050 0.552 0.001 0.091  
Perceived behavioral control        
Initial Change 0.008 0.026 -0.018 0.798 < 0.001 0.058  
Delayed Change 0.038 -0.009 0.046 0.450 0.002 0.117  
Overall Change 0.026 -0.012 0.038 0.569 0.001 0.088