Table 2.

Mean, standard deviation (SD), and correlation of physical activity, physical activity self-efficacy, knowledge, and social support (N = 537)

Variable	Mean (SD)	1	2	3	4
1. Physical activity (MET-h/week)	138.67 (83.70)	-
2. Knowledge	12.81 (4.35)	0.26*	-
3. Social support	80.06 (16.52)	0.37*	0.23*	-
4. Physical activity self-efficacy	34.19 (7.36)	0.28*	0.32*	0.37*	-