Skip to main content

Table 1 Characteristics of the 730 participating girls

From: Elevated blood pressure in adolescent girls: correlation to body size and composition

 

All participants (n = 730)

BP < 90th percentile (n = 690)

BP ≥90th percentile (n = 40)

p*

Age (years)

12.1 (0.7)

12.1 (0.7)

12.2 (0.8)

0.44

Puberty stage

3.2 (1.0)

3.2 (0.9)

3.2 (1.0)

0.81

Race = AAa

91 %

91 %

95 %

0.34

HR (min-1)

81.8 (9.9)

81.6 (9.9)

85.0 (8.8)

0.03

Weight (kg)

57.1 (16.9)

56.6 (16.6)

65.6 (19.9)

0.008

Height (cm)

155.4 (7.4)

155.4 (7.4)

155.5 (7.4)

0.97

BMI

23.5 (6.0)

23.3 (5.9)

27.0 (7.2)

0.0001

BMI z-score

1.00 (1.04)

0.97 (1.03)

1.5 (1.03)

0.003

BMI ≥ 85th percentile

51 %

49 %

73 %

0.007

Waist circumference (cm)

77.7 (14.2)

77.2 (14.0)

85.7 (15.8)

0.002

Waist/height ratio

0.500 (0.087)

0.497 (0.085)

0.551 (0.100)

0.002

Fat Mass (kg)

18.4 (11.2)

18.1 (11.1)

24.3 (12.6)

0.04

Body surface area (m2)

1.54 (0.22)

1.54 (0.22)

1.64 (0.23)

0.01

Fat-free mass (kg)

38.7 (6.3)

38.5 (6.2)

41.4 (7.8)

0.006

Body fat (%)

29.7 (9.9)

29.4 (9.9)

34.6 (9.4)

0.002

  1. Values are mean ± SD or percentages. *Difference between BP < 90th percentile and BP ≥ 90th percentile determined by t-test or X 2 test.aAA, African American