Table 8.

Comparing Current study to Original study for reliability estimates of physical activity related psychosocial scales (n = 512)

		Current study	Original study
Variable	items	alpha	alpha
Change strategies	15	0.78	0.88
Self-efficacy	06	0.84	0.76
Pros	05	0.81	0.81
Cons	05	0.69	0.53
Family Support	04	0.72	0.79
Friend Support	05	0.77	0.60
Environment	04	0.67	0.42