Table 1 Some of the characteristics of the sample population, separated by sex
|  | All (n = 596) | Boys (n = 308) | Girls (n = 288) | p-value |
|---|---|---|---|---|
Anthropometric Measurements | ||||
 Age (years) | 13.1 ± 1.3 | 13.1 ± 1.3 | 13.0 ± 1.3 | 0.498 |
 Weight (kg) | 54.6 ± 17.8 | 55.0 ± 20.0 | 54.2 ± 15.0 | 0.561 |
 Height (m) | 1.57 ± 0.09 | 1.58 ± 0.10 | 1.55 ± 0.64 | 0.038 |
 BMI z-score | 0.50 ± 1.33 | 0.35 ± 1.47 | 0.66 ± 1.15 | 0.005 |
 Waist circumference (cm) | 72.5 ± 11.6 | 73.5 ± 12.0 | 71.5 ± 10.9 | 0.029 |
 Waist-hip ratio | 0.81 ± 0.06 | 0.83 ± 0.05 | 0.78 ± 0.06 | < 0.001 |
Blood Pressure and Biochemical Measurements | ||||
 Systolic blood pressure (mmHg) | 114.9 ± 16.6 | 118.1 ± 19.3 | 111.5 ± 12.3 | < 0.001 |
 Diastolic blood pressure (mmHg) | 72.0 ± 14.0 | 72.6 ± 16.3 | 71.4 ± 11.0 | 0.281 |
 Glucose (mmol/L) | 5.2 ± 0.4 | 5.24 ± 0.39 | 5.16 ± 0.43 | 0.021 |
 Triglycerides (mmol/L) | 0.79 ± 0.38 | 0.79 ± 0.42 | 0.78 ± 0.32 | 0.926 |
 Cholesterol (mmol/L) | 4.1 ± 0.7 | 4.0 ± 0.7 | 4.1 ± 0.7 | 0.122 |
 HDL (mmol/L) | 1.23 ± 0.29 | 1.21 ± 0.30 | 1.25 ± 0.28 | 0.111 |
 LDL (mmol/L) | 2.66 ± 0.64 | 2.64 ± 0.65 | 2.69 ± 0.62 | 0.357 |