Table 1 Classification of normotension, prehypertension, and hypertension
SBP/DBP level, mmHg | Taking antihypertensive medication | Status for recruitment |
|---|---|---|
< 120/80 | ||
Yes | No | Normotensive |
No | Yes | Hypertensive |
≥ 120/80 and < 140/90 | ||
Yes | No | Prehypertensive |
No | Yes | Hypertensive |
≥ 140/90 | ||
Yes | No | Hypertensive |
No | Yes | Hypertensive |