Table 1.
Descriptive characteristics of the sample
|
All (n = 785)
|
Boys (n = 357)
|
Girls (n = 428)
|
||||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |
| BMI* |
18.966 |
3.551 |
19.398 |
3.889 |
18.605 |
3.203 |
| Total counts (counts/day) |
|
|
|
|
|
|
| Week* |
413457.7 |
123847.3 |
465198.2 |
122745.3 |
370300.2 |
107217.1 |
| Weekdays* |
438802.4 |
133234.2 |
497569.6 |
137395.1 |
389783.9 |
107509.3 |
| Weekend* |
347997.4 |
158595.7 |
382917.4 |
158595.7 |
382917.4 |
158585.8 |
| Mean counts (counts/min) |
|
|
|
|
|
|
| Week* |
429.7 |
147.8 |
477.6 |
152.9 |
389.6 |
130.8 |
| Weekdays* |
449.9 |
157.0 |
504.9 |
167.7 |
404.0 |
130.9 |
| Weekend* |
377.1 |
181.4 |
407.2 |
180.0 |
352.0 |
178.9 |
| Moderate intensity activity (min) |
|
|
|
|
|
|
| Week* |
22.4 |
10.0 |
27.5 |
10.2 |
18.2 |
7.5 |
| Weekdays* |
24.4 |
11.0 |
30.1 |
11.3 |
19.5 |
8.1 |
| Weekend* |
17.5 |
11.0 |
20.9 |
12.1 |
14.7 |
9.2 |
| Vigorous intensity activity (min) |
|
|
|
|
|
|
| Week* |
5.9 |
4.2 |
7.1 |
4.4 |
4.8 |
3.6 |
| Weekdays* |
6.5 |
4.6 |
8.0 |
5.2 |
5.3 |
3.7 |
| Weekend* |
4.3 |
4.6 |
4.9 |
4.4 |
3.7 |
4.6 |
| MVPA (min) |
|
|
|
|
|
|
| Week* |
29.3 |
13.9 |
35.6 |
14. 2 |
24.1 |
11.2 |
| Weekdays* |
31.9 |
15.3 |
39.2 |
16.0 |
25.9 |
11.7 |
| Weekend* |
22.6 |
15.3 |
25.5 |
16.1 |
19.3 |
13.8 |
| Travel distance to school (%) |
|
|
|
|
|
|
| 0-500 m |
34.4 |
|
37.8 |
|
31.5 |
|
| 501-1000 m |
36.8 |
|
38.9 |
|
35.0 |
|
| 1001-1600 m |
17.5 |
|
16.0 |
|
18.7 |
|
| >1600 m |
11.3 |
|
7.3 |
|
14.7 |
|
| School location (%) |
|
|
|
|
|
|
| Old, low |
22.0 |
|
23.8 |
|
20.6 |
|
| Old, high |
26.6 |
|
24.6 |
|
28.3 |
|
| New, low |
29.2 |
|
29.4 |
|
29.0 |
|
| New, high | 22.2 | 22.1 | 22.2 | |||
Footnote: Old, low: old neighbourhood, low SES; Old, high: old neighbourhood, high SES; New, low: new neighbourhood, low SES; New, high: new neighbourhood, high SES; *Significant gender difference p < 0.05.