A cross–sectional study involving 2502 subjects was conducted to evaluate salt intake, knowledge of salt intake, and blood
pressure control in hypertensive patients. The blood pressure control rate was 33.5% among the hypertensive patients. Of the
patients, 69.9% had salt intake higher than 6 g/d. Overall 35.0% knew the recommended salt intake, and 94.9% knew that
‘‘excess salt intake can result in hypertension.’’ Altogether, 85.8% of patients had received health education related to a low–
salt diet at some time. Patients who consumed less than 6 g/d of salt had a higher control rate than those who consumed more
than 6 g/d (48.7% vs. 27.0%; c
2
¼111.0;P