Table 1.
Demographic characteristics of participants
| Variables | |
|---|---|
| Gender | |
| Male | 146 (42.8%) |
| Female | 195 (57.2%) |
| Age (years) | 13.6 ± 2.5 |
| Grade of the class | |
| 4–8 | 204 (59.8%) |
| 9–12 | 137 (40.2%) |
| The place of residence | |
| at home | 323 (94.7%) |
| in the dormitory | 18 (5.3%) |
| Only child | |
| Yes | 35 (10.3%) |
| No | 306 (89.7%) |
| Income status of the family | |
|
Income more than expenses Income equal to expenses |
91 (26.7%) 170 (49.9%) |
| Income less than expenses | 80 (23.5%) |
| Mother's educational level | |
| Low education | 141 (41.3%) |
| Medium education | 109 (32.0%) |
| High education | 91 (26.7%) |
| Father's educational level | |
| Low education | 104 (30.5%) |
| Medium education | 113 (33.1%) |
| High education | 124 (36.4%) |
| School nutrition education | |
| Yes | 62 (18.2%) |
| No | 279 (81.8%) |
| Discussion nutrition information with families | |
| Yes | 172 (51.9%) |
| No | 164 (48.1%) |
| BMI (kg/m2) | 20.1 ± 3.5 |
| BAZ classification | |
| Thinness (< -1 SD) | 50 (14.7%) |
| Normal (≥ -1 + 1 SD) | 206 (60.4%) |
| Overweight (> 1 SD) | 58 (17.0%) |
| Obesity (> 2 SD) | 27 (7.9%) |
| Waist circumference (cm) | 69.1 ± 13.0 |
n = 341, Low education < High school graduate, Medium education = High school graduate, High education ≥ University graduate, BMI Body mass index, BAZ BMI for age Z score