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Table 4 The mean structures of the stages of change model before and after the intervention in the experimental and control groups

From: Effect of educational intervention on improvement of physical activities of middle-aged women

Variable Before intervention P value* After intervention P value*
Experiment Control Experiment Control
Mean ± standard deviation Mean ± standard deviation Mean ± standard deviation Mean ± standard deviation
Preparedness for change 19.25 ± 3.40 18.43 ± 3.1 0.06 21.28 ± 3.58 18.41 ± 3.62 0.001*
Decision-making balance 19.48 ± 3.39 19.17 ± 5.95 0.11 20.91 ± 3.85 20.36 ± 3.60 0.04
Self-efficacy 19.07 ± 3.75 17.48 ± 6.31 0.21 20.21 ± 3.62 17.50 ± 3.56 0.001
Pre-thinking 9.30 ± 5.71 9.15 ± 4.81 0.20 11.55 ± 4.74 9.65 ± 5.56 0.001
Thinking 8.65 ± 3.97 7.21 ± 4.50 0.17 9.82 ± 4.29 8.01 ± 4.43 0.001
Preparation 10.16 ± 4.27 8.32 ± 3.94 0.06 11.64 ± 4.17 8.48 ± 4.21 0.001
Practice 10.06 ± 3.84 8.51 ± 3.95 0.07 11.66 ± 4.80 8.67 ± 4.84 0.001
Maintenance 17.20 ± 4.09 15.12 ± 4.41 0.06 19.22 ± 4.36 15.77 ± 3.50 0.001
  1. *P value < 0.001