Table 1 Prevalence of hypertension in 116,130 patients presenting to rural health facilities by background characteristics, Zambia
Characteristic (unit) | Age, mean (SD) | Number of Patients, n (% of total) | Crude prevalence of hypertension, n (% of row) | Age standardized prevalence of hypertension, % [95Â % CIa] |
|---|---|---|---|---|
Age (years) | Â | Â | Â | -- |
 25-34 | -- | 46,547 (40.1) | 6497 (14.0) | -- |
 35-44 | -- | 34,406 (29.6) | 6761 (19.7) | -- |
 ≥45 | -- | 35,177 (30.3) | 13,537 (38.5) | -- |
Sex | Â | Â | Â | Â |
 Females | 40 (13.9) | 66,138 (56.9) | 15,635 (23.6) | 29.7 [29.3, 30.0] |
 Males | 41 (13.9) | 49,992 (43.1) | 11,156 (22.3) | 25.8 [25.4, 26.2] |
BMI (kg/m2) | Â | Â | Â | Â |
 <18.5 | 43 (15.6) | 16,820 (14.5) | 2812 (16.7) | 18.3 [17.6, 18.9] |
 18.5-24.9 | 39 (13.5) | 66,362 (57.1) | 13,299 (20.0) | 25.4 [25.0, 25.7] |
 25.0-29.9 | 42 (13.4) | 15,964 (13.7) | 4925 (30.8) | 36.0 [35.2, 36.8] |
 ≥30 | 43 (12.8) | 7377 (6.4) | 3152 (42.7) | 46.6 [45.4, 47.7] |
Total | 40 (13.9) | 116,130 | 26,791 (23.1) | 28.0 [27.7, 28.3] |