Table 3.

Correlation of theory of planned behavior variables with intention

	I	DATT	DSN	DPBC	IDATT	ISN	IPBC
I
DATT	0.75*	1
DSN	0.76*	0.81*	1
DPBC	0.78*	0.83*	0.85*	1
IDATT	0.79*	0.78*	0.78*	0.82*	1
ISN	0.67*	0.75*	0.83*	0.79*	0.71*	1
IPBC	− 0.16*	− 0.27*	− 0.21*	− 0.28*	− 0.23*	− 0.19*	1

I intention, IDATT indirect attitude, DATT direct attitude, ISN indirect subjective norm, DSN direct subjective norm, IPBC indirect perceived behavioral control, DPBC direct perceived behavioral control

* Significant at a p-value less than 0.05