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Primary care physician treatment practices affect the rate of hypertension control to the goal of 140/90 mm Hg. Awareness of and agreement with national hypertension management guidelines, and grounding in evidence-based medicine principles, may be important determinants of practice.

A 26-item mail questionnaire was sent to a national sample of 1200 primary care physicians. The questionnaire elicited (1) the blood pressure (BP) criteria physicians use to initiate and intensify hypertension treatment, (2) first-line drug treatment choices, (3) familiarity with the Joint National Committee on Detection, Evaluation, and Treatment of High Blood Pressure (JNC) hypertension treatment guidelines, and (4) familiarity with research methods used to develop evidence-based medicine guidelines. The analysis focused on (1) determining the percentage of physicians who reported treatment practices …