Data was collected from 2488 randomly selected elderly ( 60 years) as part of the Well-being
of the Singapore Elderly (WiSE) study that involved face-to-face surveys and physical examination.
Sitting blood pressure (BP) was measured twice with a 1 minute interval and averaged.
Hypertension wasdefined by a systolic blood pressure (SBP) 140 mmHg, and/or a diastolic blood pressure (DBP)
90 mmHg, and/or current treatment with anti-hypertensive medication.