Table 3.

The average of pre-intervention and post-intervention blood pressure in the intervention and control groups

BP		Intervention group	Control group	P*
		Mean ± SD	Mean ± SD
Systolic BP	Before the intervention	162.79 ± 14.21	166.69 ± 15.29	0.260
	After the intervention	137.04 ± 14.21	163.80 ± 14.90	< 0.001
P**		< 0.001	0.150
Mean changes in systolic BP		-25.75 ± 19.39	-2.88 ± 11.92	< 0.001
Diastolic BP	Before the intervention	84.08 ± 10.79	81.84 ± 13.17	0.430
	Before the intervention	77.90 ± 8.74	80.77 ± 11.57	0.230
P**		< 0.001	0.460
Mean changes in diastolic BP		-6.18 ± 8.87	-1.06 ± 8.70	0.010

Values are presented as mean ± SD.

^*values of the independent t-test

^**values of the paired t-test

SD: Standard deviation; BP: Blood pressure