Table 2. Summary of Clinic Blood Pressure and AMBP at Baseline, 6-Month, and 12-Month Visits.

Visit	Participants, No.	Mean (SD)
		Measured BP, mm Hga		Change from baselineb
		Systolic	Diastolic	Systolic	Diastolic
AMBP
Baseline
Control	159	133.01 (12.67)	87.04 (8.16)	[Reference]	[Reference]
Intervention	157	132.59 (14.27)	86.45 (7.76)	[Reference]	[Reference]
6-mo
Control	102	130.69 (13.99)	85.89 (9.19)	−2.20 (10.72)c	−0.74 (7.86)d
Intervention	100	128.14 (11.36)	84.61 (8.24)	−4.19 (9.77)e	−2.17 (7.04)f
P value	NA	.12	.16	NA	NA
12-mo
Control	88	129.47 (14.71)	85.52 (9.43)	−2.23 (13.82)d	−0.36 (8.94)d
Intervention	85	128.54 (11.95)	85.34 (9.32)	−3.21 (10.72)f	−1.14 (8.52)d
ANCOVA P value		.59	.58	NA	NA
Clinic
Baseline
Control	159	137.97 (14.33)	91.77 (11.26)	[Reference]	[Reference]
Intervention	157	138.30 (14.27)	90.81 (11.42)	[Reference]	[Reference]
6-mo
Control	104	132.50 (15.83)	86.70 (12.44)	−5.59 (14.29)e	−4.86 (9.79)e
Intervention	100	130.84 (12.16)	83.83 (9.36)	−6.62 (12.52)e	−5.70 (9.87)e
ANCOVA P value	NA	.41	.20	NA	NA
12-mo
Control	90	130.7 (15.22)	85.15 (12.31)	−6.41 (14.67)e	−5.56 (12.22)e
Intervention	86	131.16 (12.77)	85.05 (10.56)	−5.78 (13.53)e	−4.29 (10.31)e
ANCOVA P value	NA	.78	.69	NA	NA

Abbreviations: AMBP, ambulatory BP; ANCOVA, analysis of covariance; BP, blood pressure; NA, not applicable.

^a ANCOVA test was used to compare measured BP at each point between study groups.

^b Paired t test was used to compare changes from baseline in BP within each study group.

^c P ≤ .05.

^d Not significant.

^e P ≤ .01.

^f P ≤ .001.