Factors that influence dietary behavior toward iron and vitamin D consumption based on the theory of planned behavior in Iranian adolescent girls

Table 3 The results of linear regression analysis in predicting behavioral intention of using iron supplements and vitamin D based on demographic variables

Variables	B	SE	Beta	t	p-value	Adjusted R Square	F	p-value
Age student	0.009	0.124	0.004	0.071	0.943	0.023	2.270	0.022
Residency location	0.813	0.331	0.125	2.457	0.014
Age father	−0.107	0.035	−0.214	−3.020	0.003
Age mother	0.086	0.039	0.162	2.224	0.027
Father’s education level	0.497	0.481	0.069	1.034	0.302
Mother’s education level	−0.316	0.473	−0.041	− 0.670	0.504
Father’s Job	− 0.105	0.401	− 0.015	− 0.263	0.793
Mother’s job	−0.053	0.426	−0.006	− 0.124	0.901

ISSN: 1475-2891