Table 5.

Multiple linear regressions of dietary variables in predicting systolic blood pressure in the patients of both groups.

	Model		Beta	t	P value	Adjusted R 2
Controlled group	1	Sodium	0.442	10.2	P < 0.001	19.5
Controlled group	2	Sodium	0.355	8.4	P < 0.001	23.4
		Nutritional awareness	−0.322	−7.6	P < 0.001
Controlled group	3	Sodium	0.125	2.2	0.02	30.6
		Nutritional awareness	−0.263	−6	P < 0.001
		Saturated	0.06	0.9	0.33
		Vitamin C	−0.150	−3.2	P < 0.001
		Calcium	−0.188	−4	P < 0.001
		Intake energy	0.180	2.7	0.006
Uncontrolled group	1	Sodium	0.847	24.4	P < 0.001	71.7
Uncontrolled group	2	Sodium	0.590	15.5	P < 0.001	80.4
		Nutritional awareness	−0.394	−10.4	P < 0.001
Uncontrolled group	3	Sodium	0.621	16.9	P < 0.001	83
		Nutritional awareness	−0.368	−9.9	P < 0.001
		Carbohydrate	−0.200	−6.1	P < 0.001
		Dietary fiber	0.115	3.5	P < 0.001