Table 6. Comparison between the illiterate and literate patients before and after the intervention.
| Characteristic | Median score (Interquartile range) | p value | |
|---|---|---|---|
| Illiterate | literate | ||
| *Knowledge | |||
| Before intervention | 5 (2.25) | 7 (3.5) | 0.002 |
| After intervention | 13 (0.25) | 13 (0) | 0.52 |
| *Practice | |||
| Before intervention | 6 (4.45) | 7 (3) | 0.18 |
| After intervention | 15.5 (3) | 16 (2) | 0.49 |
| *Total Knowledge-Practice (KP) score | |||
| Before intervention | 11 (7) | 14.5 (6.75) | 0.01 |
| After intervention | 28.5 (3.25) | 29 (2) | 0.41 |
| **Blood Pressure | Mean (SD) | P value | |
| Systolic BP | |||
| Before intervention | 152.86 (6.9) | 149.03 (7.9) | 0.1 |
| After Intervention | 140 (6.2) | 136.81 (10.9) | 0.3 |
| Diastolic BP | |||
| Before intervention | 104.3 (9.4) | 103.9 (9.6) | 0.89 |
| After Intervention | 93.9 (7.8) | 94.7 (7.8) | 0.75 |
* Results are on the basis of Mann Whitney t-test
** Results are on the basis of Independent sample t-test