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Table 4 Characteristics of the study participants according to WC categories

From: Association between obesity and high blood pressure among Lithuanian adolescents: a cross-sectional study

  Normal WC Moderate abdominal obesity High abdominal obesity p*
Boys (n = 3,100) (n = 318) (n = 76)  
Age (years) 13.0 (12.0–14.0) 13.0 (12.0–14.0)a 13.0 (12.0–14.0)a <0.001
Weight (kg) 53.0 (44.3–60.5) 68.8 (61.0–78.0)a 80.0 (70.3–91.8)a, b <0.001
Height (cm) 166.0 (157.0–175.0) 170.0 (161.0–177.0)a 171.0 (163.0–178.8)a <0.001
BMI (kg/m2) 18.8 (17.3–20.5) 23.7 (22.2–25.8)a 27.9 (25.3–30.5)a, b <0.001
WC (cm) 67.0 (63.0–71.0) 81.0 (78.5–84.1)a 94.0 (90.0–97.8)a, b <0.001
SBP (mmHg) 116.7 (109.7–131.0) 130.3 (117.0–139.8)a 133.0 (123.7–140.6)a <0.001
DBP (mmHg) 64.0 (59.3–69.3) 66.8 (62.3–72.7)a 70.8 (64.8–75.5)a, b <0.001
Girls (n = 3,687) (n = 214) (n = 62)  
Age (years) 13.0 (12.0–14.0) 13.0 (12.0–14.0)a 12.5 (12.0–13.0)a, b <0.001
Weight (kg) 50.0 (44.0–56.0) 67.0 (59.8–75.0)a 77.3 (69.8–87.3)a, b <0.001
Height (cm) 163.0 (158.0–168.0) 165.5 (160.0–170.0)a 163.0 (158.9–168.0)b <0.001
BMI (kg/m2) 18.8 (17.2–20.5) 24.5 (22.7–26.5)a 29.1 (26.7–32.4)a, b <0.001
WC (cm) 63.5 (60.0–67.0) 80.0 (77.0–83.0)a 88.3 (86.8–93.0)a, b <0.001
SBP (mmHg) 113.3 (107.0–119.7) 119.5 (113.9–129.7)a 122.2 (116.7–136.8)a, b <0.001
DBP (mmHg) 65.3 (60.3–70.7) 68.8 (64.0–74.0)a 70.0 (63.9–75.6)a <0.001
All participants (n = 6,787) (n = 532) (n = 138)  
Age (years) 13.0 (12.0–14.0) 13.0 (12.0–14.0)a 13.0 (12.0–14.0)a, b <0.001
Weight (kg) 51.0 (44.0–58.0) 68.0 (60.0–76.0)a 78.0 (70.0–88.3)a, b <0.001
Height (cm) 164.0 (158.0–171.0) 168.0 (160.3–174.0)a 166.5 (160.0–173.3)a <0.001
BMI (kg/m2) 18.8 (17.2–20.6) 24.1 (22.3–26.0)a 28.2 (25.7–31.5)a, b <0.001
WC (cm) 65.0 (61.0–69.0) 81.0 (78.0–84.0)a 91.0 (87.0–97.0)a, b <0.001
SBP (mmHg) 114.7 (108.0–125.0) 126.0 (115.7–136.3)a 131.0 (118.0–139.3)a, b <0.001
DBP (mmHg) 64.7 (60.0–70.0) 68.0 (63.0–73.3)a 70.3 (64.3–75.4)a, b <0.001
  1. WC – waist circumference, SD – standard deviation, BMI – body mass index, SBP – systolic blood pressure, DBP – diastolic blood pressure.
  2. Values are presented as median (25th–75th percentiles).
  3. aSignificantly different (p < 0.05) from participants with WC in the <75th percentile.
  4. bSignificantly different (p < 0.05) from participants with WC in the 75th– < 90th percentile.
  5. *Differences between three groups.