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

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

		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)

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).
*p < .05, **p < .01

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