Patient characteristics according to antihypertensive drug adherence.

*<p>Body Mass Index is calculated as weight in kg/(height in metres)².</p

Factors associated with good adherence to antihypertensive drugs.

<p>The following variables were entered into a binary logistic regression model: age, gender, number of antihypertensive agents used, duration of antihypertensive agents used, body mass index, educational level, marital status, occupation, monthly household income, self-perceived health status, systolic blood pressure and diastolic blood pressure.</p