| Variables |
| Frequency (n) | Percentage (%) |
| Age in years | 5 - 9 (childhood) | 250 | 62.5 |
| 10 - 13 (early adolescence) | 142 | 35.5 | |
| 14 - 16 (mid adolescence) | 8 | 2.0 | |
| Gender | Male | 208 | 52.0 |
| Female | 192 | 48.0 | |
| Socio-economic class | Upper | 160 | 40.0 |
| Middle | 161 | 40.3 | |
| Lower | 79 | 19.7 | |
| Blood pressure | Normal | 336 | 84.0 |
| Pre-hypertension | 50 | 12.5 | |
| Stage 1 hypertension | 14 | 3.5 | |
| Nutritional status (BMI z score) | Obesity | 39 | 9.8 |
| Overweight | 32 | 8.0 | |
| Normal weight | 297 | 74.2 | |
| Thinness | 23 | 5.8 | |
| Severe thinness | 9 | 2.2 |