Table 2.
Correlation matrix between body mass index, waist circumference, waist-to-height ratio, and blood pressure among Chinese children aged 7–16 years: The Childhood Obesity Study in China Mega-cities (n = 1626)†.
| BMI | WC | WHtR | SBP | DBP | |
|---|---|---|---|---|---|
| (1) BMI | 1 | ||||
| (2) WC | 0.88*** | 1 | |||
| (3) WHtR | 0.87*** | 0.94*** | 1 | ||
| (4) SBP | 0.43*** | 0.44*** | 0.35*** | 1 | |
| (5) DBP | 0.19*** | 0.19*** | 0.15*** | 0.58*** | 1 |
BMI, body mass index; WC, waist circumference; WHtR, waist-to-height ratio; SBP, systolic blood pressure; DBP, diastolic blood pressure.
†Adjusted for age and city.
***Correlation was significant at P < 0.001 level (2-tailed).