| Characteristics | N (%) |
| Male, n (%) | 63 (42.3) |
| Age in years, median (IQR) | 56.5 (49.4 - 65.5) |
| Educational level attained, n (%) | |
| No school at all | 85 (57.0) |
| | 3 (2.0) |
| Primary | 33 (22.1) |
| Secondary | 12 (8.1) |
| Tertiary | 16 (10.7) |
| Employment status, n (%) | |
| Farmer/fisherman | 36 (24.2) |
| Trader | 59 (39.6) |
| No paid job | 23 (15.4) |
| Other | 31 (20.8) |
| Marital status, n (%) | |
| Married | 133 (89.3) |
| Widowed | 16 (10.7) |
| Religion, n (%) | |
| Muslim | 80 (53.7) |
| Christian | 69 (46.3) |
| Ethnicity, n (%) | |
| Nupe | 60 (40.3) |
| Yoruba | 67 (45.0) |
| Igbo | 10 (6.7) |
| Other | 12 (8.1) |
| Household size, median (IQR)* | 5.0 (3.0 - 6.0) |
| Co - morbidities**, n (%) | |
| None | 121 (81.2) |
| Diabetes | 19 (12.8) |
| CVD | 4 (2.7) |
| Renal disease | 1 (0.7) |
| Two or three co - morbidities | 4 (2.7) |
| Start anti - hypertensive treatment, n (%) | |
| <1.5 year | 49 (32.9) |
| >1.5 year | 100 (67.1) |
| Number of prescribed antihypertensive pills per day**, n (%)*** |
|
| <= 4 pills | 71 (50.8) |
| 5 - 6 pills | 34 (24.2) |
| >= 7 pills | 35 (25.0) |
| Travel time to the clinic during hypertension visits (in minutes), median (IQR) | 14.0 (9.8 - 29.0) |