Table 1.
Anthropometric and sociodemographic data of the study sample according to sex
| Girls (n = 179) | Boys (n = 185) | Total (n = 364) | ||
|---|---|---|---|---|
| Anthropometric data | ||||
| Mean ± SD | Mean ± SD | Mean ± SD | p | |
| Age (years) (†) | 8.98 ± 1.23 | 8.98 ± 1.20 | 8.98 ± 1.21 | 0.916 |
| Weight (kg) (†) | 35.89 ± 9.04 | 36.00 ± 8.53 | 35.95 ± 8.77 | 0.908 |
| Height (cm) | 136.87 ± 9.49 | 137.89 ± 8.29 | 137.39 ± 8.90 | 0.276 |
| BMI (kg/m2) (†) | 18.93 ± 3.27 | 18.78 ± 3.34 | 18.85 ± 3.30 | 0.434 |
| Waist circumference (cm) (†) | 63.77 ± 8.18 | 64.59 ± 9.52 | 64.19 ± 8.88 | 0.674 |
| Weight status | ||||
| n(%) | n(%) | n(%) | p | |
| Classification BMI (IOTF) | 0.377 | |||
| Underweight | 10 (5.59) | 5 (2.70) | 15 (4.12) | |
| Normal weight | 98 (54.75) | 112 (60.54) | 210 (57.69) | |
| Overweight | 54 (30.17) | 48 (25.95) | 102 (28.02) | |
| Obesity | 17 (9.50) | 20 (10.81) | 37 (10.16) | |
| Sociodemographic data | ||||
| n(%) | n(%) | n(%) | p | |
| Academic level of father | 0.200 | |||
| No academic education | 3 (1.79) | 2 (1.12) | 5 (1.45) | |
| Primary school | 41 (24.40) | 36 (20.22) | 77 (22.25) | |
| High school/VT | 61 (36.31) | 86 (48.31) | 147 (42.49) | |
| University degree | 56 (33.33) | 45 (25.28) | 101 (29.19) | |
| Master/PhD | 6 (3.57) | 9 (5.06) | 15 (4.34) | |
| Academic level of mother | 0.490 | |||
| No academic education | 0 (0.00) | 0 (0.00) | 0 (0.00) | |
| Primary school | 34 (19.10) | 30 (16.57) | 64 (17.83) | |
| High school/VT | 66 (37.08) | 79 (43.65) | 145 (40.39) | |
| University degree | 68 (38.20) | 66 (36.46) | 134 (37.33) | |
| Master/PhD | 10 (5.62) | 6 (3.31) | 16 (4.46) | |
| Household incomes | 0.225 | |||
| Less than 12,000 €/ year | 18 (11.8) | 20 (12.7) | 38 (12.3) | |
| 12,000€-30,000€ / year | 56 (36.6) | 74 (47.1) | 130 (41.9) | |
| 30,001€-48,000€ / year | 42 (27.5) | 33 (21.0) | 75 (24.2) | |
| More than 48,000€/ year | 37 (24.2) | 30 (19.1) | 67 (21.6) | |
| Habitat | 0.734 | |||
| Province capital | 98 (54.75) | 98 (52.97) | 196 (53.85) | |
| Semi-urban area | 81 (45.25) | 87 (47.03) | 168 (46.15) | |
| Children care | 0.088 | |||
| Mother | 60 (33.52) | 62 (33.88) | 122 (33.70) | |
| Father | 4 (2.23) | 7 (3.83) | 11 (3.04) | |
| Another person | 10 (5.59) | 7 (3.83) | 17 (4.70) | |
| Mother + Father | 59 (32.96) | 81 (44.26) | 140 (38.67) | |
| Mother + Other | 21 (11.73) | 14 (7.65) | 35 (9.67) | |
| Father + Other | 1 (0.56) | 1 (0.55) | 2 (0.55) | |
| Mother + Father + Other | 24 (13.41) | 11 (6.01) | 35 (9.67) | |
SD Standard deviation; BMI Body mass index; VT Vocational Training. †: p-value calculated by Mann–Whitney U-test