Table 1.
Characteristics of the study population, N = 1348
| Girls | Boys | |
|---|---|---|
|
Sex, % (n = 1348) |
48.4 |
51.6 |
|
Age, mean y (SD) (n = 1348) |
12.4 (0.62) |
12.5 (0.63) |
|
BMI, mean kg/m2 (SD) (n = 1266) |
18.9 (3.04) |
18.8 (2.99) |
|
Weight status (BMI thresholds)* (n = 1266) |
|
|
|
Under-/normal weight |
85.5 |
85.5 |
|
Overweight/obese |
14.6 |
14.5 |
|
Self-reported PA in leisure time % (n = 1313)** |
638 (48.6) |
675 (51.4) |
|
Performs sports several times a week. Hard exercise |
37.2 |
53.3 |
|
Doing sport approx. once a week, and besides that physical active every day, cycling, walking, playing |
35.3 |
19.4 |
|
Enjoy being physical active, but do not attend any sport clubs. Cycle, walk and are physical active when playing |
24.1 |
19.1 |
|
Prefer to watch TV, play video games, listening to music or other sedentary behaviour |
3.5 |
8.2 |
|
Self-reported sedentary leisure time (n = 1313)** |
|
|
| 4 + hours daily sedentary time (watching TV, playing computer games, reading etc.) in leisure time in weekdays and weekend days, % | 58.2 | 67.2 |