Figure 1.

Diagnosis of hypertension (systolic blood pressure (BP) ≥140 mm Hg and/or diastolic BP ≥90 mm Hg and/or self-reported use of antihypertensive drugs at the time of the interview) performed on the basis of measurements taken at the first visit (visit 1), at the second visit (visit 2) or both. The number of subjects with and without the condition and age-weighted rates (to the 15–69 years Yemen population) are reported.