Baseline survey T0 | Follow-up survey T1 | |||||
---|---|---|---|---|---|---|
All | Boys | Girls | All | Boys | Girls | |
N | 3348 | 1743 | 1605 | 3348 | 1743 | 1605 |
Age (years) a | 6.4 (± 1.7) | 6.3 (± 1.7) | 6.4 (± 1.6) | 8.4 (± 1.7) | 8.3 (± 1.7) | 8.4 (± 1.6) |
Anthropometry | ||||||
Weight (kg) a | 23.9 (± 6.9) | 24.0 (± 6.9) | 23.9 (± 6.9) | 30.6 (± 9.1) | 30.7 (± 9.1) | 30.6 (± 9.1) |
Height (cm) a | 120.0 (± 12.0) | 120.1 (± 12.0) | 119.9 (± 12.0) | 132.3 (± 11.3) | 132.4 (± 11.2) | 132.3 (± 11.4) |
BMI (kg/m2) a | 16.3 (± 2.4) | 16.3 (± 2.3) | 16.3 (± 2.4) | 17.2 (± 3.0) | 17.1 (± 3.0) | 17.2 (± 3.0) |
Waist circumference (cm) a | 54.7 (± 6.7) | 55.0 (± 6.8) | 54.4 (± 6.6) | 59.1 (± 8.4) | 59.4 (± 8.5) | 58.9 (± 8.3) |
Biochemical markers | ||||||
Fasting glucose (mmol/l) a | 4.6 (± 0.5) | 4.7 (± 0.5) | 4.6 (±0.5) | 4.8 (± 0.5) | 4.8 (± 0.5) | 4.7 (± 0.5) |
Fasting insulin (pmol/l) b | 25.2 (15.6, 38.4) | 23.9 (14.4, 37.1) | 26.7 (17.4, 39.7) | 38.0 (26.1, 55.4) | 35.1 (23.6, 50.6) | 42.1 (28.7, 61.6) |
HOMA-IR b | 0.7 (0.4, 1.2) | 0.7 (0.4, 1.1) | 0.8 (0.5, 1.2) | 1.1 (0.8, 1.7) | 1.1 (0.7, 1.6) | 1.3 (0.8, 1.8) |
Other variables | ||||||
Time spent with audio-visual media (h/day) b c | 1.5 (1.0, 2.2) | 1.6 (1.0, 2.2) | 1.4 (1.0, 2.0) | 1.9 (1.2, 2.5) | 1.9 (1.2, 2.8) | 1.8 (1.0, 2.4) |
Number of media in the child’s bedroom a c | 0.8 (± 1.2) | 0.9 (± 1.3) | 0.7 (± 1.2) | 1.0 (± 1.4) | 1.1 (± 1.4) | 1.0 (± 1.4) |
Fat consumption propensity score a c d | 25.5 (± 9.3) | 25.4 (± 9.4) | 25.5 (± 9.2) | not available | not available | not available |
Sugar consumption propensity score a c d | 25.0 (± 11.3) | 25.3 (± 11.5) | 24.7 (± 11.2) | not available | not available | not available |
Highest parental education (ISCED-level) a c | 4.0 (± 1.2) | 4.0 (± 1.2) | 3.9 (± 1.2) | 4.0 (± 1.2) | 4.0 (± 1.2) | 4.0 (± 1.2) |
N with data on sleep duration | 1836 | 961 | 875 | 1450 | 763 | 687 |
Sleep duration on weekdays | 10.2 (± 0.9) | 10.2 (± 1.0) | 10.1 (± 0.9) | 9.8 (± 1.0) | 9.9 (± 1.0) | 9.8 (± 1.0) |
N with accelerometer data | 1967 | 1029 | 938 | 1793 | 920 | 873 |
Time spent in MVPA (average minutes/day) a e | 41.2 (± 21.2) | 46.0 (± 22.8) | 36.0 (± 18.0) | 43.4 (± 22.6) | 48.5 (± 24.6) | 38.0 (± 19.0) |