|
Survey years
|
---|
|
2004
|
2006
|
2009
|
2011
|
---|
All Participants(N)
|
1692
|
1357
|
1198
|
1617
|
Age
|
12.45 ± 3.33
|
11.91 ± 3.36
|
11.59 ± 3.19
|
11.33 ± 3.33
|
Male(%)
|
53.0
|
53.4
|
55.8
|
51.1
|
Overweight/Obese(%)
|
11.3
|
12.0
|
14.5
|
19.8
|
PA MET-hours/week
|
50.00 ± 63.15
|
47.56 ± 61.78
|
46.51 ± 56.73
|
47.14 ± 54.86
|
SB MET-hours/week
|
31.76 ± 22.00
|
34.85 ± 21.00
|
35.54 ± 21.83
|
37.62 ± 22.24
|
% SB in total PA
|
38.5
|
42.3
|
43.3
|
44.4
|
Male(N)
|
896
|
725
|
668
|
826
|
Age
|
12.57 ± 3.41
|
11.86 ± 3.40
|
11.57 ± 3.23
|
11.29 ± 3.31
|
Overweight/Obese(%)
|
11.7
|
13.3
|
16.4
|
23.4
|
PA MET-hours/week
|
57.15 ± 68.65
|
54.30 ± 68.07
|
52.66 ± 61.07
|
53.56 ± 60.52
|
SB MET-hours/week
|
31.89 ± 22.89
|
36.32 ± 23.05
|
35.06 ± 21.62
|
38.10 ± 24.48
|
% SB in total PA
|
35.8
|
40.1
|
40.0
|
41.6
|
Female(N)
|
796
|
632
|
530
|
791
|
Age
|
12.30 ± 3.22
|
11.97 ± 3.31
|
11.62 ± 3.15
|
11.38 ± 3.36
|
Overweight/Obese(%)a
|
10.8
|
10.5
|
12.0
|
15.9
|
PA MET-hours/week
|
47.24 ± 57.27
|
45.46 ± 54.98
|
43.66 ± 51.34
|
44.13 ± 48.49
|
SB MET-hours/week
|
31.61 ± 20.97
|
33.17 ± 18.24
|
36.16 ± 22.10
|
37.11 ± 19.62
|
% SB in total PA
|
40.1
|
42.2
|
45.3
|
45.7
|
-
aUsing the criteria of overweight and obesity for Chinese children
-
PA physical activity, SB sedentary behaviour