Table 1 Characteristics of the participants by sex and age

From: Arterial stiffness, not systolic blood pressure, increases with age in native Papuan populations

Variables

Total (n = 126)

Women ((n = 74)

Men ((n = 52)

P

<45 years (n = 85)

≄45 years (n = 41)

P

Sex (women) (%)

Ā Ā Ā Ā 

53 (62)

21 (51)

0.252

Age, years

40 ± 14

38 ± 12

43 ± 17

0.061

32 ± 7

57 ± 10

<0.001

Height, cm

156 ± 7

152 ± 6

162 ± 5

<0.001

157 ± 7

156 ± 8

0.577

BMI, kg/m2

21 ± 3

20 ± 3

22 ± 3

<0.001

22 ± 3

19 ± 2

<0.001

Heart rate, bpm

71 ± 12

73 ± 11

68 ± 13

0.009

71 ± 13

71 ± 11

0.983

SBP, mm Hg

115 ± 12

117 ± 13

113 ± 9

0.058

114 ± 11

118 ± 12

0.085

DBP, mm Hg

69 ± 8

71 ± 8

67 ± 8

0.019

68 ± 8

73 ± 8

0.002

MAP, mm Hg

87 ± 10

89 ± 10

84 ± 8

0.003

85 ± 9

90 ± 10

0.007

PP, mm Hg

46 ± 8

46 ± 8

46 ± 8

0.688

46 ± 8

45 ± 8

0.572

ABI

1.08 ± 0.05

1.07 ± 0.06

1.08 ± 0.05

0.235

1.07 ± 0.06

1.08 ± 0.05

0.381

baPWV, cm/s

1324 ± 197

1313 ± 189

1339 ± 208

0.459

1251 ± 155

1474 ± 191

<0.001

Urine Na/K

1.10 (0.49–2.40)

1.05 (0.54–2.23)

1.30 (0.31–2.40)

0.957

1.50 (0.73–2.50)

0.60 (0.29–1.53)

<0.001

BMI ≄ 25 (%)

10 (8)

4 (5)

6 (12)

0.316

9 (11)

1 (2)

0.165

BMI < 18.5 (%)

23 (18)

21 (28)

2 (4)

<0.001

6 (7)

17 (41)

<0.001

Hypertension (%)

6 (5)

6 (8)

0 (0)

0.042

2 (2)

4 (10)

0.087

ISH (%)

4 (3)

4 (5)

0 (0)

0.077

2 (2)

3 (7)

0.329

IDH (%)

1 (1)

1 (1)

0 (0)

0.511

0 (0)

2 (5)

0.104

  1. Values are mean ± SD or median (interquartile range). ABI ankle-brachial index, baPWV brachial-ankle pulse wave velocity, BMI body mass index, DBP diastolic blood pressure, IDH isolated diastolic hypertension, ISH isolated systolic hypertension, MAP mean arterial pressure, Na/K sodium-to-potassium ratio, PP pulse pressure, SBP systolic blood pressure