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Table 2 Group means (i.e., stage-matched vs. CPAG + control), unstandardized regression coefficients, p-values, effect-size, and power for self-reported physical activity and eight 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
Physical activity       
Initial Change -76.510 -15.640 -60.867 0.564 0.001 0.089
Delayed Change 104.121 -214.392 318.513 0.004 0.026 0.818
Overall Change 70.496 -198.624 269.120 0.009 0.021 0.746
Self-efficacy       
Initial Change 0.068 -0.015 0.083 0.207 0.005 0.243
Delayed Change 0.036 0.035 0.002 0.979 0.000 0.050
Overall Change 0.071 0.011 0.060 0.392 0.002 0.137
Pros       
Initial Change 0.093 0.001 0.092 0.216 0.005 0.235
Delayed Change 0.075 0.005 0.071 0.305 0.003 0.176
Overall Change 0.121 -0.023 0.145 0.041 0.013 0.533
Cons       
Initial Change 0.014 0.001 0.013 0.827 0.000 0.055
Delayed Change -0.024 -0.011 -0.013 0.823 0.000 0.056
Overall Change -0.014 0.008 -0.022 0.728 0.000 0.064
Experiential processes       
Initial Change 0.125 -0.023 0.148 0.011 0.020 0.726
Delayed Change -0.022 0.030 -0.052 0.380 0.002 0.142
Overall Change 0.061 0.006 0.055 0.390 0.002 0.138
Behavioral processes       
Initial Change 0.036 0.037 -0.001 0.987 0.000 0.050
Delayed Change 0.076 -0.002 0.078 0.264 0.004 0.201
Overall Change 0.033 -0.015 0.048 0.491 0.001 0.106
Severity       
Initial Change 0.037 -0.012 0.049 0.356 0.003 0.152
Delayed Change -0.028 0.000 -0.028 0.679 0.001 0.070
Overall Change -0.027 -0.032 0.005 0.942 0.000 0.051
Vulnerability       
Initial Change 0.049 -0.081 0.131 0.152 0.006 0.298
Delayed Change -0.003 0.009 -0.012 0.894 0.000 0.052
Overall Change 0.009 -0.029 0.037 0.664 0.001 0.072
Fear       
Initial Change 0.001 -0.011 0.012 0.910 0.000 0.051
Delayed Change 0.064 -0.047 0.111 0.213 0.005 0.238
Overall Change 0.052 -0.056 0.108 0.235 0.004 0.220
  1. Bolded values = p < .05