| blood pressure categories | Session 1 No. & (%) | Session 8 No. & (%) | Change No. & (%) | P value* |
| Systolic not at risk (<140 mmHg) | 735 (75.9%) | 824 (85.0%) | +89 (+9.2%) | <0.001 |
| Systolic at risk (≥140 mmHg) | 234 (24.1%) | 145 (15.0%) | −89 (−9.2%) | |
| Total | 969 (100%) | 969 (100%) | 0.0 | |
| Diastolic not at risk (<90 mmHg) | 823 (84.9%) | 909 (93.8%) | +86 (+8.9%) | <0.001 |
| Diastolic at risk (≥90 mmHg) | 146 (15.1%) | 60 (6.2%) | −86 (−8.9%) | |
| Total | 969 (100%) | 969 (100%) | 0.0 |