Table 2. Follow-up characteristics of participating children according to treatment arm. Values are means (SD) unless stated otherwise.
| First graders | Fifth graders | |||
| INT (n = 108) | CON (n = 65) | INT (n = 81) | CON (n = 35) | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Age (years) | 10.6 (0.3) | 10.6 (0.4) | 15.0 (0.5) | 15.1 (0.6) |
| Height (cm) | 145.0 (7.0) | 144.1 (6.9) | 167.6 (9.8) | 167.3 (7.9) |
| Weight (kg) | 37.7 (7.6) | 35.8 (8.6) | 58.4 (9.7) | 56.9 (11.1) |
| Gender, n (%) girls | 51 (47%) | 36 (55%) | 48 (59%) | 23 (66%) |
| Overweight (%)a | 32 (31%) | 9 (14%) | 16 (20%) | 7 (20%) |
| Pubertal stagesb, n (%) | ||||
| Prepubertal | 54 (50%) | 32 (49%) | 1 (1%) | 0 (0%) |
| Early pubertal | 51 (47% | 32 (49%) | 18 (22%) | 9 (26%) |
| Pubertal | 3 (3%) | 1 (2%) | 62 (77%) | 26 (74%) |
| Migrants, n (%)c | 34 (31%) | 16 (25%) | 16 (20%) | 5 (14%) |
| No formal parental education, n (%) | 9 (8%) | 2 (3%) | 2 (2%) | 3 (9%) |
a
Categorization based on WHO z-scores.
b
Pubertal stages are based on Tanner stages: prepubertal (Tanner 1), early pubertal (Tanner 2 and 3), pubertal (Tanner 4 and 5);
c
both parents from Eastern or Southern European countries, Africa, Asia, Central or South America, or other less developed countries.