Bivariate analysis showing the factors associated with hypertension control
| Variables | Controlled HTN | Uncontrolled HTN | RR | 95% CI | p Value |
| Sex | |||||
| Male | 34 (35.4) | 62 (64.4) | 0.8 | 0.5 to 1.3 | 0.262 |
| Female | 86 (40.0) | 129 (60.0) | |||
| Age (years) | |||||
| <45 | 31 (47.7) | 34 (52.3) | 1.6 | 0.9 to 2.8 | 0.061 |
| >45 | 89 (36.2) | 157 (63.8) | |||
| Level of education | |||||
| No formal schooling | 11 (23.9) | 35 (76.1) | – | – | 0.048 |
| Grade 1–7 | 32 (36.0) | 57 (64.0) | |||
| Grade 8–12 | 68 (43.0) | 90 (57.0) | |||
| Tertiary | 10 (55.6) | 8 (44.4) | |||
| Marital status | |||||
| Never married | 56 (42.4) | 76 (57.6) | 0.8 | 0.5 to 1.2 | 0.165 |
| Married | 65 (36.3) | 114 (63.7) | |||
| Employment status | |||||
| Employed | 36 (41.4) | 51 (58.6) | 0.9 | 0.5 to 1.4 | 0.344 |
| Unemployed | 85 (38.1) | 138 (61.9) | |||
| Monthly income (Rands) | |||||
| <2000 | 98 (38.9) | 154 (61.1) | 1.0 | 0.6 to 1.8 | 0.551 |
| >2000 | 23 (39.0) | 36 (61.0) | |||
| Current smokers | |||||
| Yes | 11 (39.3) | 17 (60.7) | 1.0 | 0.5 to 2.3 | 0.544 |
| No | 109 (38.5) | 174 (61.5) | |||
| Ever drink alcohol | |||||
| Yes | 18 (32.7) | 37 (67.3) | 0.7 | 0.4 to 1.3 | 0.204 |
| No | 102 (39.8) | 154 (60.2) | |||
| Diabetes mellitus | |||||
| Yes | 87 (56.9) | 66 (43.1) | 0.7 | 0.4 to 1.1 | 0.052 |
| No | 105 (66.5) | 53 (33.5) | |||
| Obesity | |||||
| Yes | 76 (36.8) | 125 (62.2) | 0.9 | 0.6 to 1.5 | 0.398 |
| No | 44 (40.0) | 66 (60.0) |
HTN, hypertension; RR, relative risk.