Table III.

Mean Between‐Group Differences in Blood Pressure (BP) Change in All Participants, Participants Without Hypertension, and Participants With Hypertension in the PREMIER Trial

	Change in Established Minus		Change in Established+ DASH		Change in Established+ DASH
	Change in Advice Only		Minus Change in Advice Only		Minus Change in Established
	Mean	p Value	Mean	p Value	Mean	p Value
Systolic BP
All	−3.7	<0.001	−4.3	<0.001	−0.6	0.43
Nonhypertensives	−3.1	0.003	−3.1	0.002	0	0.97
Hypertensives	−4.6	<0.001	−6.3	<0.001	−1.7	0.2
Diastolic BP
All	−1.7	0.002	−2.6	<0.001	−0.9	0.11
Nonhypertensives	−1.6	0.027	−2	0.005	−0.4	0.53
Hypertensives	−2	0.025	−3.6	<0.001	−1.6	0.08
DASH=Dietary Approaches to Stop Hypertension trial Reprinted with permission from JAMA. 2003;289:2083–2093. 12 ©2003 American Medical Association. All rights reserved.