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Baseline characteristics of the study participants (n=155).
| Variable | Frequency or mean ± SD | Percentage |
|---|---|---|
| Age (years) | 10.15 ± 0.77 | |
| 9-10 | 104 | 67.1 |
| 11-12 | 51 | 32.9 |
| Gender | ||
| Boys | 80 | 51.6 |
| Girls | 75 | 48.4 |
| School grade | ||
| 4th grade | 96 | 62 |
| 5th grade | 59 | 38 |
| Body weight (kg) | 39.84 ± 11.84 | |
| Body height (cm) | 141.73 ± 7.6 | |
| BMI (kg/m2) | 19.53 ± 4.4 | |
| Nutritional status (BMI z-score) | 0.69 ± 1.64 | |
| Underweight | 10 | 6.5 |
| Normal weight | 68 | 43.9 |
| Overweight | 40 | 25.8 |
| Obesity | 37 | 89.67 |
| Pocket money (Rp) | 11954.84 ± 5197.83 |
