Table 1 General characteristics of study subjects by ethnicity and gender

From: Genetic influence on blood pressure measured in the office, under laboratory stress and during real life

 

EA

AA

P-value

Characteristics

Male

Female

Male

Female

Ethnicity

Gender

N

113

122

79

106

  

Age (years)

17.1±3.4

17.0±3.0

16.7±2.8

17.6±3.8

NS

NS

BMI (kg m−2)a

23.2±5.9

22.3±4.6

23.1±4.7

24.5±5.6

0.028

NS

Height (cm)a

172.0±12.1

161.8±7.4

172.1±10.2

162.7±5.9

NS

<0.001

24-h SBP (mm Hg)a

117.7±8.1

110.2±6.5

119.1±7.0

113.6±8.5

0.003

<0.001

24-h DBP (mm Hg)a

65.71±6.01

65.0±5.1

66.3±5.3

67.3±7.4

0.036

NS

Office SBP (mm Hg)a

113.3±10.3

106.1±8.5

117.2±10.9

111.1±11.5

<0.001

<0.001

Office DBP (mm Hg)a

56.8±6.5

58.1±5.6

60.4±7.1

62.5±8.2

<0.001

0.002

Stress SBP (mm Hg)a

127.3±13.4

115.6±9.9

128.7±12.9

119.1±13.0

0.049

<0.001

Stress DBP (mm Hg)a

67.7±7.7

67.2±6.0

69.16±7.34

70.7±8.9

0.003

NS

  1. Abbreviations: AA, African American; BMI, body mass index; DBP, diastolic blood pressure; EA, European American; NS, non-significant; SBP, systolic blood pressure.
  2. Data are mean±s.d.
  3. aAge was adjusted for the evaluation of ethnic and gender effects.