|  | Proportion with isolated systolic hypertension (SBP >140) | Proportion with isolated diastolic hypertension (DBP >90) | Proportion with both systolic and diastolic hypertension (SBP >140 and DBP > 90) | Proportion with normal blood pressure (both SBP < 140 and DBP <90) | Total |
---|---|---|---|---|---|---|
Age group | <60 | 7.8% | 4.7% | 7.0% | 80.5% | 100% |
 | 60-69 | 20.7% | 1.8% | 8.1% | 69.4% | 100% |
 | 70-79 | 32.9% | 0.7% | 3.7% | 62.8% | 100% |
 | 80+ | 39.8% | 0.2% | 4.2% | 55.8% | 100% |