| Measuring blood pressure at home | X2 Test | |||
| Understanding of subjective symptoms of high blood pressure | Yes | No | ||
| Yes | Frequency (%) | 90 (76.9%) | 14 (42.4%) | P = 0.000 |
| Adjusted residual | 3.8 | −3.8 | ||
| No | Frequency (%) | 27 (23.1%) | 19 (57.6%) | |
| Adjusted residual | −3.8 | 3.8 | ||
| Consulting with physicians or nurses | X2 Test | |||
| Understanding of subjective symptoms of high blood pressure | Yes | No | ||
| Yes | Frequency (%) | 97 (74%) | 7 (38.9%) | P = 0.002 |
| Adjusted residual | 3 | −3 | ||
| No | Frequency (%) | 34 (26%) | 11 (61.1%) | |
| Adjusted residual | −3 | 3 | ||