Table 2 Test-retest reliability of physical activity, sedentary and travel behaviour self-report measures for Hong Kong adolescents
Item/Measure | Overall sample (N = 68) | Boys (n = 36) | Girls (n = 32) |
|---|---|---|---|
Setting/domain: SCHOOL | |||
Physical Education | |||
PE classes (days/week) | NC (98%) | NC (96%) | NC (100%) |
Length of PE period (min/class) | 0.89 | 0.94 | 0.86 |
Total PE time (min/week) | 0.84 | 0.87 | 0.81 |
Recess | |||
Recess at school (days/week) | NC (94%) | NC (92%) | NC (98%) |
Total length of recess (min/day) | 0.69 | 0.64 | 0.72 |
Total recess time (min/week) | 0.72 | 0.67 | 0.76 |
Number of sports teams or after-school physical activity classes at school in past year | 0.74 (79%) | 0.84 (89%) | 0.65* (69%) |
Setting/domain: OUT-OF-SCHOOL | |||
Leisure-time physical activity (PA) | |||
≥ 60 min/day of out-of-school PA in past 7 days (day/week) | 0.70 (76%) | 0.69 (69%) | 0.72 (84%) |
≥ 60 min/day of out-of-school PA in usual week (day/week) | 0.79 (65%) | 0.80 (67%) | 0.78 (63%) |
Average score on two out-of-school PA | 0.76 | 0.74 | 0.77 |
Number of sports teams or after-school physical activity classes out-of-school in past year | 0.89 (90%) | 0.90 (92%) | 0.87 (88%) |
Sedentary behaviour (hours/day) | |||
Watching TV/videos/DVD | 0.62 (74%) | 0.61 (64%) | 0.64 (78%) |
Playing sedentary computer or video games | 0.66 (72%) | 0.65 (69%) | 0.68 (75%) |
Using internet/emailing/other electronic media for leisure | 0.58 (65%) | 0.59 (67%) | 0.56 (63%) |
Doing homework | 0.78 (76%) | 0.69 (67%) | 0.85* (88%) |
Reading a book or magazine (not for school) | 0.61 (62%) | 0.54 (57%) | 0.67 (69%) |
Riding in a car, bus, etc. | 0.51 (68%) | 0.52 (69%) | 0.49 (67%) |
Total screen time (hours/day) | 0.62 | 0.61 | 0.63 |
Total sedentary time (hours/day) | 0.65 | 0.62 | 0.67 |
Setting/domain: TRANSPORTATION | |||
Walking or cycling to/from destinations (times/week) | |||
Indoor or exercise facility | 0.61 (76%) | 0.55 (72%) | 0.67 (81%) |
Friend’s or relative house | 0.48 (57%) | 0.49 (58%) | 0.45 (56%) |
Outdoor recreation place | 0.47 (62%) | 0.47 (61%) | 0.46 (63%) |
Food store or restaurant/cafe | 0.82 (80%) | 0.78 (75%) | 0.86 (84%) |
Other retail stores | 0.51 (62%) | 0.46 (58%) | 0.57 (66%) |
Non-school social or educational activities | 0.51 (68%) | 0.52 (67%) | 0.51 (69%) |
Public transportation stop | 0.71 (69%) | 0.71 (69%) | 0.71 (69%) |
Work | NA (100%) | NA (100%) | NA (100%) |
Other | NA (100%) | NA (100%) | NA (100%) |
Total score on walking or cycling to/from destinations (times/week) | 0.59 | 0.56 | 0.62 |
Transportation modes to/from school (days/week) [0–5] | |||
To school | |||
Walk | 0.89 (90%) | 0.87 (89%) | 0.91 (91%) |
Bicycle | NC (100%) | NC (100%) | NC (100%) |
Public transport | 0.92 (97%) | 0.92 (97%) | 0.91 (97%) |
Taxi | NC (100%) | NC (100%) | NC (100%) |
School bus | NC (100%) | NC (100%) | NC (100%) |
Family car | 0.92 (96%) | 0.89 (94%) | 0.94 (97%) |
From school | |||
Walk | 0.76 (79%) | 0.73 (72%) | 0.79 (88%) |
Bicycle | NC (100%) | NC (100%) | NC (100%) |
Public transport | 0.68 (74%) | 0.71 (78%) | 0.66 (69%) |
Taxi | NC (100%) | NC (100%) | NC (100%) |
School bus | NC (100%) | NC (100%) | NC (100%) |
Family car | NC (99%) | NC (97%) | NC (100%) |
Total frequency of active transportation to/from school (times/week) | 0.88 | 0.86 | 0.90 |