Table 1.
Descriptive statistics of the study population presented as mean (SD) for boys and girls separately.
| Total | Boys | Girls | ||||
|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | |
| HR (bpm) | 81.3 | 12.47 | 79.2 | 10.98 | 83.6 | 13.64 |
| Δ HR (bpm)* | −7.0 | 13.04 | −3.1 | 11.67 | −11.2 | 13.20 |
| Height (cm) | 148.1 | 7.97 | 148.5 | 8.02 | 147.7 | 7.96 |
| Δ height (cm)** | 18.1 | 4.75 | 20.3 | 4.12 | 15.9 | 4.35 |
| Weight (kg) | 39.9 | 9.83 | 40.4 | 10.11 | 39.4 | 9.59 |
| Δ weight (kg) | 16.8 | 5.93 | 17.7 | 6.81 | 15.9 | 4.76 |
| BMI (kg/m2) | 18.0 | 3.12 | 18.1 | 3.22 | 17.9 | 3.05 |
| Δ BMI (kg/m2) | 2.4 | 1.90 | 2.2 | 2.08 | 2.7 | 1.68 |
| Waist cx (cm)* | 64.7 | 8.75 | 66.7 | 9.45 | 62.8 | 7.59 |
| Δ Waist cx (cm) | 6.2 | 6.77 | 5.9 | 7.04 | 6.4 | 6.55 |
| Hip cx (cm) | 77.3 | 8.31 | 77.5 | 8.66 | 77.0 | 8.02 |
| Δ Hip cx (cm) | 12.5 | 8.21 | 12.3 | 8.64 | 12.6 | 7.84 |
| WHR** | 0.8 | 0.06 | 0.9 | 0.06 | 0.8 | 0.05 |
| Δ WHR | −0.0 | 0.10 | −0.0 | 0.08 | −0.0 | 0.12 |
| SBP (mmHg) | 108.7 | 8.99 | 107.9 | 8.65 | 109.6 | 9.31 |
| Δ SBP (mmHg) | 6.9 | 10.07 | 9.0 | 9.82 | 4.9 | 9.99 |
| DBP (mmHg) | 64.9 | 7.43 | 63.6 | 7.12 | 66.2 | 7.56 |
| Δ DBP (mmHg) | 1.8 | 7.73 | 3.1 | 7.90 | 0.5 | 7.41 |
| MBP (mmHg) | 79.5 | 7.05 | 78.4 | 6.65 | 80.7 | 7.31 |
| Δ MBP (mmHg) | 3.5 | 7.15 | 5.1 | 7.01 | 2.0 | 7.03 |
| TC (mg/dl) | 181.0 | 27.20 | 183.3 | 27.73 | 178.6 | 26.67 |
| Δ TC (mg/dl)* | −22.7 | 18.25 | −26.6 | 19.93 | −18.6 | 15.45 |
| TAG (mg/dl) | 74.7 | 33.90 | 71.2 | 34.12 | 78.5 | 33.59 |
| Δ TAG (mg/dl) | 2.2 | 36.97 | 3.9 | 33.09 | 0.3 | 40.94 |
| Glc (mg/dl) | 89.2 | 8.40 | 90.0 | 8.63 | 88.4 | 8.16 |
| Δ Glc (mg/dl) | −0.4 | 10.86 | −0.3 | 13.64 | −0.5 | 6.95 |
| HDL (mg/dl) | 64.1 | 12.50 | 64.1 | 12.96 | 64.1 | 12.12 |
| Δ HDL (mg/dl)** | −7.9 | 8.05 | −11.4 | 7.22 | −4.2 | 7.24 |
| Hgb (g/dl) | 13.6 | 0.68 | 13.6 | 0.73 | 13.5 | 0.62 |
| Δ Hgb (g/dl)** | 0.8 | 2.21 | 1.3 | 2.08 | 0.2 | 2.23 |
Upper rows stand for initial values of distinct parameters, whereas lower rows present their change throughout the observation period.
HR, heart rate; Δ, change of the parameter throughout the observation period; cx, circumference; WHR, waist/hip ratio; SBP, systolic blood pressure; DBP, diastolic blood pressure; MBP, mean blood pressure; TC, total cholesterol; TAG, triglycerides; Glc, fasting glucose; HDL, high density lipoproteins; Hgb, haemoglobin.
*
Significant difference between boys and girls (p < 0.05).
**
p < 0.001.