Table 1.
Descriptive statistics of physical activity, sedentary and travel behaviour self-report measures for Hong Kong adolescents
|
Item/Measure [theoretical range] |
Overall sample (N = 68) |
Boys (n = 36) |
Girls (n = 32) |
|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | |
|
Setting/domain: SCHOOL |
|
|
|
|
Physical Education (PE) |
|
|
|
| PE classes (days/week) [0–5] |
1.3 (0.7) |
1.4 (0.8) |
1.3 (0.6) |
| Length of PE period (min/class) |
58.2 (18.8) |
57.7 (17.6) |
58.7 (20.0) |
|
Total PE time (min/week)
|
74.3 (45.3) |
77.3 (53.2) |
71.5 (37.3) |
| Recess at school (days/week) [0–5] |
4.8 (0.8) |
4.7 (1.0) |
4.9 (0.5) |
| Total length of recess (min/day) |
21.3 (9.6) |
20.8 (8.6) |
21.7 (10.5) |
|
Total recess time (min/week)
|
104.0 (50.6) |
100.7 (46.0) |
106.9 (53.9) |
| Number of sports teams or after-school physical activity classes at school in past year [0–4] |
1.1 (0.9) |
1.2 (0.9) |
0.9 (0.8) |
|
Setting/domain: OUT-OF-SCHOOL |
|
|
|
|
Leisure-time physical activity (PA) |
|
|
|
| ≥ 60 min/day of out-of-school PA in past 7 days (days/week) [0–7] |
1.8 (2.0) |
2.0 (2.2) |
1.1 (1.8) |
| ≥ 60 min/day of out-of-school PA in usual week (days/week) [0–7] |
2.0 (2.0) |
2.4 (2.2) |
1.6 (1.8) |
|
Average score on two out-of-school PA [0–7]
|
1.9 (1.8) |
2.2 (2.0) |
1.5 (1.7) |
| Number of sports teams or after-school physical activity classes out-of-school in past year [0–4] |
0.9 (1.0) |
0.9 (1.0) |
0.9 (1.0) |
|
Sedentary behaviour (hours/day) [0–4] |
|
|
|
| Watching TV/videos/DVD |
1.1 (1.0) |
1.0 (0.8) |
1.1 (1.1) |
| Playing sedentary computer or video games |
0.6 (0.8) |
0.8 (0.9) |
0.3 (0.6) |
| Using internet/emailing/other electronic media for leisure |
0.7 (0.7) |
0.5 (0.5) |
0.8 (0.8) |
| Doing homework |
1.8 (1.1) |
1.7 (1.1) |
1.9 (1.2) |
| Reading a book or magazine (not for school) |
0.6 (0.9) |
0.6 (0.9) |
0.7 (0.8) |
| Riding in a car, bus, etc. |
0.6 (0.9) |
0.7 (0.7) |
0.6 (0.6) |
|
Total screen time (hours/day) [0–12]
|
2.3 (1.7) |
2.3 (1.4) |
2.3 (1.9) |
|
Total sedentary time (hours/day) [0–24]
|
5.3 (2.5) |
5.2 (2.3) |
5.4 (2.6) |
|
Setting/domain: TRANSPORTATION |
|
|
|
|
Walking or cycling to/from destinations (times/week) [0–4] |
|
|
|
| Indoor or exercise facility |
0.5 (0.8) |
0.5 (0.8) |
0.5 (0.8) |
| Friend’s or relative house |
0.5 (0.8) |
0.4 (0.8) |
0.5 (0.8) |
| Outdoor recreation place |
0.6 (0.9) |
0.7 (0.9) |
0.6 (0.9) |
| Food store or restaurant/café |
1.5 (1.5) |
1.6 (1.5) |
1.4 (1.4) |
| Other retail stores |
1.1 (1.3) |
1.0 (1.2) |
1.2 (1.3) |
| Non-school social or educational activities |
0.5 (0.8) |
0.5 (0.9) |
0.5 (0.7) |
| Public transportation stop |
2.3 (1.7) |
2.2 (1.7) |
2.4 (1.6) |
| Work |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
| Others |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
|
Total score on walking or cycling to/from destinations (times/week) [0–28]
|
6.9 (4.5) |
6.9 (4.7) |
7.0 (4.2) |
|
Transportation modes to/from school (days/week) [0–5] |
|
|
|
| To school |
|
|
|
| Walk |
1.9 (2.3) |
1.4 (2.2) |
2.3 (2.4) |
| Bicycle |
0.1 (0.3) |
0.1 (0.4) |
0.0 (0.0) |
| Public transport |
3.0 (2.3) |
3.2 (2.2) |
2.8 (0.2) |
| Taxi |
0.1 (0.3) |
0.1 (0.4) |
0.0 (0.0) |
| School bus |
0.1 (0.3) |
0.1 (0.4) |
0.0 (0.0) |
| Family car |
0.4 (1.3) |
0.7 (1.6) |
0.2 (0.7) |
| From school |
|
|
|
| Walk |
2.1 (2.3) |
1.7 (1.6) |
2.6 (2.3) |
| Bicycle |
0.1 (0.6) |
0.2 (0.8) |
0.0 (0.0) |
| Public transport |
3.1 (2.3) |
3.5 (2.1) |
2.7 (2.3) |
| Taxi |
0.1 (0.3) |
0.1 (0.4) |
0.0 (0.0) |
| School bus |
0.1 (0.3) |
0.1 (0.4) |
0.0 (0.0) |
| Family car |
0.1 (0.2) |
0.1 (0.2) |
0.0 (0.0) |
| Total frequency of active transportation to/from school (times/week) (0–10) | 4.0 (4.5) | 3.2 (4.2) | 4.8 (4.6) |