Table 2 Socio-demographic, biometric and biologic characteristics of Pygmy and Bantu participants by gender

Age, years

33 ± 11

40 ± 13

32 ± 11

35 ± 12

0.1

Married status (%)

32 (37.2)

58 (73.4)

30 (46.9)

41 (57.7)

0.207

Literate^a(%)

86 (100)

26 (32.9)

64 (100)

33 (46.5)

< 0.0001

Tobacco (%)

5 (5.8)

10 (12.7)

1 (1.3)

0

–

Alcohol (%)

58 (67.4)

58 (73.4)

42 (65.6)

20 (28.2)

0.1

Weight, kg

77.5 ± 13.1

57.4 ± 9.7

76.8 ± 17.0

51.0 ± 7.3

<  0.0001

Height, m

1.76 ± 0.12

1.58 ± 0.09

168 ± 0.10

149 ± 0.06

<  0.0001

BMI, kg/m²

25.2 ± 5.0

22.9 ± 3.3

27. 1 ± 6.2

22.8 ± 3.0

<  0.0001

Obesity (%)

13 (15.1)

5 (6.3)

37 (57.8)

17 (23.9)

<  0.0001

WC, cm

77.3 ± 12.1

75.5 ± 4.2

80.0 ± 17.0

73.7 ± 5.8

0.006

AO (%)

2 (2.3)

0

11 (17.2)

1 (1.4)

0.004

SBP, mmHg

120 ± 15

108 ± 12

119 ± 19

106 ± 12

<  0.0001

DBP, mmHg

79 ± 12

71 ± 11

78 ± 14

70 ± 11

0.0005

MBP, mmHg

92 ± 11

83 ± 10

91 ± 14

82 ± 10

<  0.0001

PP, mmHg

41 ± 14

37 ± 12

41 ± 16

35 ± 9

0.014

Hypertension (%)

22 (25.6)

4 (5.1)

20 (31.3)

1 (1.4)

<  0.0001

Na+, mmol/L

113.0 ± 58.4

48.1 ± 36.4

132.8 ± 63.1

45.5 ± 27.5

<  0.0001

K+, mmol/L

75.2 ± 45.6

68.9 ± 47.1

71.3 ± 43.8

67.4 ± 44.7

0.6

Na+/K+ ratio

2.3 ± 3.3

1.3 ± 1.9

2.6 ± 3.0

1.3 ± 1.8

0.005