| Co-morbidity | Hypertensive | Non-hypertensive | Total |
| Diabetes | |||
| Diabetic | 10 (76.9%) | 3 (23.1%) | 13 (100%) |
| Non-diabetic | 79 (32.4%) | 165 (67.6%) | 244 (100%) |
| χ2 = 10.819, df = 1, P = 0.001* | |||
| Obesity | |||
| Non-obese (BMI < 30) | 66 (31.0%) | 147 (69.0%) | 213 (100%) |
| Obese (BMI ≥ 30) | 23 (52.3%) | 21 (47.7%) | 44 (100%) |
| χ2 = 7.299, df = 1, P = 0.007* | |||
| Mean BMI ± SD† | 26.23 ± 5.65 | 24.43 ± 4.30 | |
| T-test = 2.849, P = 0.005* | |||