Table 1 Study characteristics, i.e. mean (M), standard deviation (SD) and range or sample size (N) and percentage (%) of n = 2488 children and adolescents based on the first examination in the IDEFICS/I.Family cohort of each child
All (n = 2488) | Male (n = 1270) | Female (n = 1218) | |||||||
|---|---|---|---|---|---|---|---|---|---|
Mean | (SD) | Range | Mean | (SD) | Range | Mean | (SD) | Range | |
Light PA (min / day) | 293 | (83.2) | (5.5–746.9) | 292 | (82.2) | (6.5–571.8) | 293 | (84.2) | (5.5–746.9) |
MVPA (min / day) | 48.7 | (24.4) | (0–199.5) | 53.8 | (25.3) | (0–194) | 42.4 | (22.2) | (0–199.5) |
Moveability index | 0.04 | (3.5) | (−13.5–10.8) | 0.0 | (3.4) | (− 10.7–8.7) | 0.1 | (3.5) | (− 12.9–10.8) |
Public open space density | 4.8 | (4.1) | (0–18.3) | 4.7 | (4.1) | (0.04–16.7) | 4.9 | (4.1) | (0–18.3) |
Residential density | 2.2 | (1.3) | (0–6.8) | 2.2 | (1.3) | (0–6.7) | 2.2 | (1.3) | (0–6.8) |
Land use mix | 0.72 | (0.14) | (0.01–0.99) | 0.72 | (0.15) | (0.01–0.99) | 0.72 | (0.15) | (0.01–0.99) |
Intersection density | 7.7 | (3.8) | (0.1–24.7) | 7.7 | (3.8) | (0–21.2) | 7.8 | (3.8) | (0.14–24.7) |
Public transport density | 3.4 | (1.7) | (0–6.5) | 3.4 | (1.7) | (0–6.4) | 3.4 | (1.7) | (0–6.5) |
Age (years) | 7.5 | (2.4) | (3–15.8) | 7.5 | (2.4) | (3–15.8) | 7.6 | (2.4) | (3–14.7) |
BMI z-scorea | 0.4 | (1.1) | (−5.4–4) | 0.3 | (1.2) | (−5.3–3.7) | 0.4 | (1.1) | (− 5.4–4.0) |
Valid weartime (min / day) | 695 | (113) | (363–1361) | 697 | (117) | (366–1361) | 693 | (108) | (363–1334) |
N | % | N | % | N | % | ||||
Moveability category | |||||||||
High (score ≥ 0) | 1219 | 49.0 | 623 | 49.1 | 596 | 48.9 | |||
Low (score < 0) | 1269 | 51.0 | 647 | 50.9 | 622 | 51.1 | |||
Parental educationb | |||||||||
Missing | 76 | 3.1 | 41 | 3.2 | 35 | 2.9 | |||
Low (Ievel below 2) | 207 | 8.3 | 106 | 8.4 | 101 | 8.3 | |||
Medium (level 3, 4) | 1067 | 42.9 | 542 | 42.7 | 525 | 43.1 | |||
High (level 5 and more) | 1138 | 45.7 | 581 | 45.8 | 557 | 45.7 | |||
Parental safety concerns | |||||||||
Missing | 145 | 5.8 | 83 | 6.5 | 62 | 5.1 | |||
No concerns | 1417 | 57.5 | 723 | 56.9 | 694 | 57.0 | |||
Safety concerns | 926 | 36.5 | 464 | 36.5 | 462 | 37.9 | |||
Sportsclub membership | |||||||||
Missing | 149 | 6.0 | 79 | 6.2 | 70 | 5.8 | |||
Yes | 1430 | 57.5 | 722 | 56.9 | 708 | 58.1 | |||
No | 909 | 36.5 | 469 | 36.9 | 440 | 36.1 | |||
BMI categoriesa | |||||||||
Normal weight | 1993 | 80.1 | 1033 | 81.3 | 960 | 78.8 | |||
Overweight / obese | 495 | 19.9 | 237 | 18.7 | 258 | 21.2 | |||
Season | |||||||||
Autumn / winter | 1431 | 57.5 | 725 | 57.1 | 706 | 58.0 | |||
Spring / summer | 1057 | 42.5 | 545 | 42.9 | 512 | 42.0 | |||