Does the theory of planned behavior elements mediate the relationship between perceived constraints and intention to participate in physical activities? A study among older individuals

Table 3 Regression analyses testing the mediating role of perceived behavioral control on the constraints’ components–intention relationship

Constraints		R ²	F	p	b	t	p
Intention	PBC^a	0.35	18.71	0.001	0.43	4.62	0.001
	PBC^b	0.31	16.48	0.001	0.28	2.44	0.05
	PBC^c	0.30	15.15	0.001	0.44	4.31	0.001
	PBC^d	0.26	12.40	0.001	0.43	4.01	0.001
	Accessibility	0.14	11.95	0.001	−0.37	−3.45	0.001
	Psychological	0.26	25.23	0.001	−0.50	−6.04	0.001
	Facilities	0.08	6.39	0.001	−0.28	−2.52	0.001
	Partners	0.11	9.33	0.001	−0.34	−3.05	0.001
Intention
Step 1	PBC	0.48	68.29	0.001	0.64	7.24	0.001
Step 2	Accessibility	0.50	36.47	0.001	−0.15	−1.69	NS
Intention
Step 1	PBC	0.48	66.78	0.001	0.59	5.97	0.001
Step 2	Psychological	0.50	36.51	0.001	−0.19	−1.90	ns
Intention
Step 1	PBC	0.49	67.20	0.001	0.65	7.64	0.001
Step 2	Lack of partner	0.52	37.74	0.001	−0.18	−2.17	ns
Intention
Step 1	PBC	0.47	65.60	0.001	0.66	7.60	0.001
Step 2	Facilities	0.49	34.63	0.001	−0.13	−1.54	NS

PBC Perceived behavioral control
^aAnalyses performed with accessibility serving as independent variable
^bAnalyses performed with psychological constraints serving as independent variable
^cAnalyses performed with partner serving as independent variable
^dAnalyses performed with facilities serving as independent variable

ISSN: 1861-6909