Table 3.
Characteristics of schoolchildren of the nutritional survey
| Obese n=99 | Normal-weight n=140 | |||
|---|---|---|---|---|
| Variable | Male n=57 χ±SD | Female n=42 χ±SD | Male n=80 χ±SD | Female n=60 χ±SD |
| Age (year) | 6.9±1.3 | 7.1±0.9 | 7.2±1.4 | 6.9±1.2 |
| p | 0.2051 | 0.3627 | - | - |
| BMI (Kg/m2) | 24.50±2.11 | 23.67±2.09 | 16.98±2.43 | 16.33±3.54 |
| p | <0.0001 | <0.0001 | - | - |
| Birthweight (kg) | 3.96 ± 0.76 | 3.89±0.9 | 3.15±1.11 | 3.44±1.1 |
| p | <0.0001 | 0.0311 | - | - |
| Maternal BMI (Kg/m2) | 30.57 ± 3.77 | 29.45±3.11 | 23.44±1.76 | 24.50±0.89 |
| p | <0.0001 | <0.0001 | - | - |
| Grandmother BMI (Kg/m2) | 29.77 ± 2.34 | 30.11±3.02 | 24.20±1.75 | 24.57±1.05 |
| p | <0.0001 | <0.0001 | - | - |
| Physical activity score | 27.44 ± 1.35 | 29.01±1.09 | 35.58±1.56 | 37.44±1.25 |
| p | <0.0001 | <0.0001 | - | - |
Data are expressed as means ± standard deviation (χ±SD). Statistical differences between obese and normal weight means for each sex were based on independent sample t-test or on Mann-Whitney test. Statistically significant when p<0.05, and highly statistically significant when p<0.001.