Table 1 Characteristics of the study population by sex
Men (n 98) | Women (n 93) | Total (n 191) | Statistical value | P value | |
|---|---|---|---|---|---|
Age (years) | 42.6 ± 13.2 | 41.5 ± 13.7 | 42.3 ± 13.5 | 0.53 | 0.600 |
Height (cm) | 171.5 ± 6.4 | 158.6 ± 6.5 | 165.1 ± 9.1 | 13.93 | <0.0001 |
Weight (kg) | 73.8 ± 12.7 | 62.5 ± 11.8 | 68.4 ± 13.4 | 6.38 | <0.0001 |
BMI (kg/m2) | 25.1 ± 4.1 | 24.9 ± 4.5 | 25.0 ± 4.3 | 0.33 | 0.743 |
Waist circumference (cm) | 86.7 ± 11.5 | 80.1 ± 11.3 | 83.6 ± 12.0 | 3.99 | <0.0001 |
Blood pressure | |||||
Systolic (mmHg) | 128.0 ± 19.9 | 118.0 ± 19.4 | 123.5 ± 20.3 | 3.54 | 0.001 |
Diastolic (mmHg) | 82.8 ± 12.0 | 77.1 ± 11.6 | 80.2 ± 12.1 | 3.32 | 0.001 |
Urinary excretion | |||||
Volume (ml/d) | 1509 ± 571 | 1370 ± 578 | 1442 ± 577 | 1.68 | 0.094 |
Creatinine (mmol/d) | 11.0 ± 2.3 | 7.6 ± 1.6 | 9.4 ± 2.6 | 11.34 | <0.0001 |
Sodium (mmol/d) | 218.3 ± 81.4 | 183.8 ± 69.8 | 201.5 ± 77.7 | 3.14 | 0.002 |
Potassium (mmol/d) | 45.9 ± 17.9 | 47.7 ± 27.7 | 46.8 ± 23.2 | −0.53 | 0.594 |
Sodium-to-potassium ratio | 5.2 ± 2.2 | 4.6 ± 2.2 | 4.9 ± 2.2 | 1.97 | 0.05 |
Salt intake (g/d) | 12.8 ± 4.8 | 10.8 ± 4.1 | 11.8 ± 4.5 | 3.14 | 0.002 |