Adherence to antihypertensive treatment: a critical factor for blood pressure control.

Background: To compare rates of blood pressure (BP) control with the level of adherence to antihypertensive treatment and factors influencing compliance in Greek patients.

Design: An observational cross-sectional study on 1000 consecutively treated hypertensive patients, admitted to a University department of general surgery in a Greek hospital.

Methods: Patients were interviewed by the same doctor using pre-coded questionnaires with questions on demographic data, health and treatment status.