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Table 3 Sample characteristics of psychosocial variables at baseline (n = 92) (mean (± SD))

From: Mediators of physical activity change in a behavioral modification program for type 2 diabetes patients

   Baseline measurements T-value
Amotivation Intervention group 1.56 (0.83) 0.60
  Control group 1.66 (0.74)  
External regulation Intervention group 2.23 (0.98) 0.62
  Control group 2.08 (1.20)  
Introjected regulation Intervention group 2.67 (1.07) 2.26*
  Control group 2.11 (1.16)  
Identified regulation Intervention group 3.45 (1.03) 3.28**
  Control group 2.67 (1.20)  
Intrinsic regulation Intervention group 3.10 (1.15) 2.91**
  Control group 2.33 (1.28)  
Modeling family Intervention group 2.08 (1.07) 0.97
  Control group 2.36 (1.32)  
Modeling friends Intervention group 1.93 (1.09) 0.14
  Control group 1.97 (0.96)  
Modeling general practitioner Intervention group 3.20 (1.27) 0.51
  Control group 2.90 (1.66)  
Social norm family Intervention group 3.52 (1.21) 0.13
  Control group 3.48 (1.23)  
Social norm friends Intervention group 2.57 (1.45) 0.07
  Control group 2.55 (1.17)  
Social norm general practitioner Intervention group 4.52 (0.74) 2.54*
  Control group 4.00 (1.14)  
Social support family Intervention group 2.00 (1.21) 0.44
  Control group 1.92 (0.90)  
Social support friends Intervention group 2.05 (1.03) 0.45
  Control group 2.17 (0.93)  
Social support partner Intervention group 2.43 (1.03) 0.07
  Control group 2.45 (1.21)  
Self-efficacy towards barriers Intervention group 1.90 (0.44) 0.87
  Control group 1.81 (0.47)  
General self-efficacy Intervention group 3.77 (0.87) 2.57*
  Control group 3.19 (1.18)  
Perceived benefits Intervention group 3.62 (0.74) 0.67
  Control group 3.51 (0.85)  
Perceived barriers Intervention group 2.52 (0.86) 0.19
  Control group 2.55 (0.75)  
  1. Note: All items except for level of self-efficacy towards specific barriers of physical activity (1-3) had a five-point Likert scale (1-5).
  2. *p < .05, **p < .01