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

From: Association of urinary sodium excretion with blood pressure and risk factors associated with hypertension among Cameroonian pygmies and bantus: a cross-sectional study

   Male    Female  
Bantus N = 86 Pygmies N = 79 p Bantus N = 64 Pygmies N = 71 p
Age, years 33 ± 11 40 ± 13 0.0004 32 ± 11 35 ± 12 0.1
Married status (%) 32 (37.2) 58 (73.4) < 0.0001 30 (46.9) 41 (57.7) 0.207
Literatea(%) 86 (100) 26 (32.9) < 0.0001 64 (100) 33 (46.5) < 0.0001
Tobacco (%) 5 (5.8) 10 (12.7) 0.127 1 (1.3) 0
Alcohol (%) 58 (67.4) 58 (73.4) 0.5 42 (65.6) 20 (28.2) 0.1
Weight, kg 77.5 ± 13.1 57.4 ± 9.7 <  0.0001 76.8 ± 17.0 51.0 ± 7.3 <  0.0001
Height, m 1.76 ± 0.12 1.58 ± 0.09 <  0.0001 168 ± 0.10 149 ± 0.06 <  0.0001
BMI, kg/m2 25.2 ± 5.0 22.9 ± 3.3 0.001 27. 1 ± 6.2 22.8 ± 3.0 <  0.0001
Obesity (%) 13 (15.1) 5 (6.3) <  0.0001 37 (57.8) 17 (23.9) <  0.0001
WC, cm 77.3 ± 12.1 75.5 ± 4.2 0.1 80.0 ± 17.0 73.7 ± 5.8 0.006
AO (%) 2 (2.3) 0 0.1 11 (17.2) 1 (1.4) 0.004
SBP, mmHg 120 ± 15 108 ± 12 <  0.0001 119 ± 19 106 ± 12 <  0.0001
DBP, mmHg 79 ± 12 71 ± 11 <  0.0001 78 ± 14 70 ± 11 0.0005
MBP, mmHg 92 ± 11 83 ± 10 <  0.0001 91 ± 14 82 ± 10 <  0.0001
PP, mmHg 41 ± 14 37 ± 12 0.045 41 ± 16 35 ± 9 0.014
Hypertension (%) 22 (25.6) 4 (5.1) 0.000 20 (31.3) 1 (1.4) <  0.0001
Na+, mmol/L 113.0 ± 58.4 48.1 ± 36.4 <  0.0001 132.8 ± 63.1 45.5 ± 27.5 <  0.0001
K+, mmol/L 75.2 ± 45.6 68.9 ± 47.1 0.3 71.3 ± 43.8 67.4 ± 44.7 0.6
Na+/K+ ratio 2.3 ± 3.3 1.3 ± 1.9 0.018 2.6 ± 3.0 1.3 ± 1.8 0.005
  1. aattempt at least a first year of school education, BMI Body mass index, WC Waist circumference, AO Abdominal obesity, SBP Systolic blood pressure, DBP Diastolic blood pressure, MBP Mean blood pressure, PP Pulse pressure, Quantitative data are presented as mean ± SD and qualitative data are presented as count (percentage)