Table 4.
Variable1 |
n |
Moderate-to-vigorous physical activity (min/day) (n = 635) |
Sedentary time (min/day) (n = 635) |
Sleep duration (min/night) (n = 523) |
Cardio-respiratory fitness (ml/kg/min) (n = 492) |
||||
---|---|---|---|---|---|---|---|---|---|
B (95%CI) | P | B (95%CI) | P | B (95%CI) | P | B (95%CI) | p | ||
Age (years) |
730 |
−2.7 (−4.5;-0.8) |
0.0463 |
27.8 (21.5;34.1) |
<0.001 |
−10.2 (−13.4;-7.1) |
<0.001 |
0.8 (0.1;1.5) |
0.03 |
Grade |
730 |
|
|||||||
3rd graders |
359 |
Reference |
|
Reference |
|
Reference |
|
Reference |
|
4th graders |
371 |
−5.4 (−8.7;-2.1) |
<0.001 |
32.4 (24.4;40.4) |
<0.001 |
−13.6 (−17.5;-9.6) |
<0.001 |
−0.1 (−1.0;0.8) |
0.87 |
Pubertal status |
706 |
|
|||||||
1 |
464 |
Reference |
|
Reference |
|
Reference |
|
Reference |
|
≥2 |
242 |
−7.5 (−11.0;-3.9) |
<0.001 |
12.0 (3.0;21.0) |
0.01 |
−7.2 (−11.6;-2.9) |
0.001 |
−2.5 (−3.4;-1.6) |
<0.001 |
Gender |
730 |
|
|||||||
Girls |
354 |
Reference |
|
Reference |
|
Reference |
|
Reference |
|
Boys |
376 |
19.9 (16.9;22.9) |
<0.001 |
−0.3 (−8.7;8.1) |
0.95 |
−5.1 (−9.2;-1.0) |
0.01 |
8.0 (7.5;8.5) |
<0.001 |
Parents born in Denmark2 |
730 |
|
|||||||
0 |
79 |
Reference |
|
Reference |
|
Reference |
|
Reference |
|
1 |
89 |
2.3 (−4.8;9.4) |
0.52 |
12.6 (−5.2;30.4) |
0.16 |
20.8 (11.2;30.5) |
<0.001 |
1.3 (−0.7;3.2) |
0.20 |
2 |
562 |
−2.4 (−8.0;3.2) |
0.40 |
13.5 (−0.4;27.4) |
0.064 |
19.2 (11.1;30.5) |
<0.001 |
0.1 (−1.5;1.7) |
0.89 |
Highest education of parents2 |
728 |
|
|||||||
≤10 years |
38 |
Reference |
|
Reference |
|
Reference |
|
Reference |
|
11 - 12 years |
228 |
−3.1 (−11.6;5.3) |
0.46 |
13.0 (−7.9;34.0) |
0.22 |
24.4 (12.9;35.9) |
<0.001 |
0.8 (−1.3;3.0) |
0.45 |
13 - 16 years |
295 |
−4.0 (−12.2;4.3) |
0.35 |
22.5 (1.9;43.1) |
0.03 |
26.0 (14.7;37.4) |
<0.001 |
1.1 (−1.1;3.3) |
0.31 |
≥17 years | 167 | −1.3 (−9.9;7.2) | 0.76 | 24.0 (2.7;45.3) | 0.03 | 23.0 (11.4;34.6) | <0.001 | 1.5 (−0.7;3.7) | 0.20 |
1All dependent variables are from the baseline assessments.
2P > 0.05 between non-reference groups.
3B = −2.4 (95%CI = −5.8;1.0, P = 0.17) among children with a valid cardio-respiratory fitness test (n = 413).
4B = 16.6 (95%CI = 3.4;29.9, P = 0.01) if wear-time was included as covariate.