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Table 3 Association between BMI categories and HBP or different HBP subtypes

From: Prevalence of high blood pressure subtypes and its associations with BMI in Chinese children: a national cross-sectional survey

Gender HBP subtypes Nutritional status OR 95% CI P
Boys ISHBP Normal weight 1(ref)   
Underweight 0.38 (0.27, 0.55) <0.001
Overweight 2.00 (1.73, 2.31) <0.001
Obese 4.32 (3.81, 4.90) <0.001
IDHBP Normal weight 1(ref)   
Underweight 0.7 (0.52, 0.93) 0.013
Overweight 1.28 (1.08, 1.53) 0.005
Obese 1.64 (1.38, 1.94) <0.001
SDHBP Normal weight 1(ref)   
Underweight 0.47 (0.30, 0.73) 0.001
Overweight 2.11 (1.76, 2.54) <0.001
Obese 4.34 (3.71, 5.09) <0.001
HBP Normal weight 1(ref)   
Underweight 0.52 (0.43,0.64) <0.001
Overweight 1.75 (1.59,1.94) <0.001
Obese 3.31 (3.03,3.61) <0.001
Girls ISHBP Normal weight 1(ref)   
Underweight 0.52 (0.35, 0.79) 0.002
Overweight 2.04 (1.68, 2.48) <0.001
Obese 4.00 (3.36, 4.76) <0.001
IDHBP Normal weight 1(ref)   
Underweight 0.62 (0.45, 0.85) 0.003
Overweight 1.23 (1.01, 1.51) 0.038
Obese 1.57 (1.28, 1.93) <0.001
SDHBP Normal weight 1(ref)   
Underweight 0.46 (0.30, 0.71) <0.001
Overweight 1.87 (1.53, 2.29) <0.001
Obese 3.48 (2.90, 4.16) <0.001
HBP Normal weight 1(ref)   
Underweight 0.55 (0.44,0.68) <0.001
Overweight 1.66 (1.47,1.87) <0.001
Obese 2.84 (2.54,3.18) <0.001
  1. Adjusted for age. OR odds ratio, HBP high blood pressure, SDHBP combined systolic/diastolic high blood pressure, IDHBP isolated diastolic high blood pressure, ISHBP isolated systolic high blood pressure