Table 1.
Description of participants and means of the outcome indicators according to selected key variables, boys and girls 11–17 years
| |
Study sample |
Leisure time activity |
Media use |
PWC170
a
|
Total energy expenditure
b
|
|
|---|---|---|---|---|---|---|
| Characteristics | n | % | Mean hours/week | Mean hours/day | Mean watt/kg body weight | Mean MET/24 hours |
|
Total |
5251 |
|
6.3 |
5.9 |
2.1 |
44.2 |
|
Age (years) |
|
|
|
|
|
|
| 11 - 13 |
2401 |
46 |
6.5 |
4.8 |
2.0 |
45.7 |
| 14 - 15 |
1522 |
29 |
6.4 |
6.7 |
2.1 |
43.4 |
| 16 - 17 |
1328 |
25 |
5.6 |
7.0 |
2.1 |
42.5 |
|
Sex |
|
|
|
|
|
|
| boys |
2677 |
51 |
7.9 |
5.9 |
2.3 |
45.5 |
| girls |
2574 |
49 |
4.6 |
5.9 |
1.9 |
42.9 |
|
Region in Germany |
|
|
|
|
|
|
| Former East |
1756 |
34 |
6.2 |
6.3 |
2.1 |
43.7 |
| Former West |
3495 |
66 |
6.3 |
5.7 |
2.1 |
44.5 |
|
Parental education |
|
|
|
|
|
|
| Primary |
972 |
19 |
6.7 |
6.5 |
2.0 |
43.8 |
| Secondary |
2835 |
54 |
6.4 |
6.1 |
2.1 |
44.1 |
| Tertiary |
1444 |
28 |
5.7 |
5.1 |
2.1 |
44.8 |
|
Parental occupation |
|
|
|
|
|
|
| Low |
1526 |
29 |
6.9 |
6.8 |
2.0 |
43.6 |
| Middle |
1708 |
33 |
6.1 |
5.7 |
2.1 |
44.4 |
| High |
1871 |
36 |
5.9 |
5.3 |
2.1 |
44.6 |
| Missing |
146 |
3 |
6.4 |
6.9 |
2.0 |
43.2 |
|
Household income |
|
|
|
|
|
|
| Low |
1680 |
32 |
6.5 |
6.3 |
2.0 |
44.0 |
| Middle |
1452 |
26 |
6.3 |
5.9 |
2.1 |
44.3 |
| High |
1693 |
32 |
5.9 |
5.5 |
2.1 |
44.5 |
| Missing |
426 |
8 |
6.6 |
6.2 |
2.1 |
44.1 |
|
BMI-for-age (WHO z-scores) |
|
|
|
|
|
|
| Below -2 Z |
83 |
2 |
5.4 |
5.4 |
2.3 |
44.2 |
| -2 to -1 Z |
478 |
9 |
6.5 |
5.3 |
2.2 |
45.1 |
| -1 to +1 Z |
3310 |
63 |
6.1 |
5.9 |
2.1 |
44.2 |
| +1 to +2 Z |
961 |
18 |
6.7 |
6.1 |
1.9 |
44.4 |
| Above +2 Z |
419 |
8 |
6.5 |
6.6 |
1.6 |
43.5 |
|
Physical wellbeing |
|
|
|
|
|
|
| Low |
1902 |
36 |
5.7 |
6.3 |
2.0 |
43.3 |
| Middle |
1520 |
29 |
6.2 |
5.8 |
2.1 |
44.3 |
| High | 1689 | 32 | 7.1 | 5.5 | 2.1 | 45.3 |
aPWC170, physical work capacity at a heart rate of 170 heart beats per minute. bEnergy expenditure assessed on the basis of self-reported activities within 24 h, expressed in metabolic equivalents (MET) kcal/kg, 1 MET = a person’s caloric consumption at complete rest.