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Q In patients with above optimal blood pressure (BP), what is the relative effectiveness of 2 behavioural interventions (established lifestyle recommendations [ELR] and ELR plus the Dietary Approaches to Stop Hypertension [DASH] diet) compared with advice only?
randomised controlled trial.
blinded (data collectors).
Follow up period:
4 clinical centres in Maryland, Louisiana, North Carolina, and Oregon, USA.
810 generally healthy adults who were ⩾25 years of age (mean age 50 y, 62% women), had above optimal BP (mean systolic BP 120–159 mm Hg and diastolic BP 80–95 mm Hg across 3 screening visits), were not taking …
A modified version of this abstract appears in ACP Journal Club and Evidence-Based Medicine.
For correspondence: Dr L J Appel, Department of Medicine, Johns Hopkins Medical Institutions, Baltimore, MD, USA.
Source of funding: National Institutes of Health.