Descriptive characteristics of 1 010 153 Chinese children aged 8–17 years according to survey year
| Survey year | n | Age, year | Urban area, % | Height, cm | BMI, kg/m2 | BMI z-score | Systolic BP, mm Hg | Systolic BP z-score | Elevated systolic BP, % | Diastolic BP, mm Hg | Diastolic BP z-score | Elevated diastolic BP, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Boys | ||||||||||||
| 1985 | 170 813 | 12.5 (2.9) | 49.9 | 147.1 (16.6) | 16.8 (2.2) | −1.00 (0.85) | 106.8 (11.3) | 0.22 (0.85) | 5.1 | – | – | – |
| 1995 | 82 450 | 12.6 (2.9) | 50.2 | 151.0 (16.4) | 17.5 (2.7) | −0.72 (1.05) | 105.8 (12.7) | −0.01 (1.00) | 4.7 | – | – | – |
| 2000 | 79 709 | 12.5 (2.9) | 49.9 | 152.0 (16.6) | 18.0 (3.1) | −0.53 (1.38) | 105.5 (12.0) | −0.07 (0.97) | 4.2 | 65.8 (9.5) | 0.34 (0.77) | 4.0 |
| 2005 | 88 946 | 12.5 (2.9) | 49.9 | 153.1 (16.3) | 18.4 (3.3) | −0.35 (1.18) | 104.7 (12.4) | −0.19 (0.99) | 3.5 | 64.8 (9.7) | 0.24 (0.77) | 3.0 |
| 2010 | 83 564 | 12.5 (2.9) | 50.0 | 154.4 (16.1) | 18.8 (3.5) | −0.19 (1.20) | 106.4 (12.5) | −0.07 (1.02) | 4.9 | 65.9 (9.6) | 0.31 (0.79) | 3.9 |
| Girls | ||||||||||||
| 1985 | 170 987 | 12.5 (2.9) | 50.0 | 144.4 (13.5) | 17.1 (2.6) | −0.82 (0.86) | 105.9 (10.1) | 0.21 (0.86) | 5.5 | – | – | – |
| 1995 | 81 584 | 12.5 (2.9) | 51.0 | 147.3 (12.8) | 17.5 (2.8) | −0.65 (0.96) | 103.7 (11.3) | −0.08 (1.00) | 4.1 | – | – | – |
| 2000 | 79 889 | 12.5 (2.9) | 49.7 | 148.1 (12.8) | 17.8 (3.0) | −0.55 (1.01) | 102.9 (10.6) | −0.18 (0.96) | 3.6 | 65.3 (8.9) | 0.27 (0.78) | 4.2 |
| 2005 | 88 676 | 12.5 (2.9) | 49.9 | 148.8 (12.5) | 18.1 (3.0) | −0.44 (1.00) | 101.4 (11.0) | −0.34 (0.98) | 2.5 | 63.9 (9.2) | 0.13 (0.80) | 3.2 |
| 2010 | 83 535 | 12.5 (2.9) | 50.0 | 149.7 (12.2) | 18.3 (3.1) | −0.33 (1.01) | 102.6 (11.1) | −0.24 (1.01) | 3.5 | 64.9 (9.0) | 0.21 (0.80) | 4.0 |
Data presented as mean (SD) or percentage.
BMI, body mass index; BP, blood pressure.