Prevalence of high blood pressure at the age of 9–10 years across four risk categories at the age of 1, 3 and 5–6 years
| Risk category | Age 1 year n=3719* | Age 3 years n=3355* | Age 5–6 years n=4705* | |||
| Number of children, n (%)† | High BP, n (%)‡ | Number of children, n (%)† | High BP, n (%)‡ | Number of children, n (%)† | High BP, n (%)‡ | |
| 0%–4.9% | 2845 (76.5) | 73 (2.6) | 2723 (81.2) | 79 (2.9) | 3624 (77.0) | 76 (2.1) |
| 5%–9.9% | 682 (18.3) | 46 (6.7) | 484 (14.4) | 35 (7.2) | 752 (16.0) | 51 (6.8) |
| 10%–14.9% | 151 (4.1) | 20 (13.2) | 112 (3.3) | 7 (6.3) | 188 (4.0) | 25 (13.3) |
| 15% or more | 41 (1.1) | 9 (22.0) | 36 (1.1) | 12 (33.3) | 141 (3.0) | 35 (24.8) |
*Children with observed BMI SDS values around that specific age.
†Proportion of all children.
‡Proportion of children with high BP within risk category.
BMI, body mass index; BP, blood pressure; SDS, SD score.