| 11-12 years | 14-15 years | ||
---|---|---|---|---|
 | Boys (n = 98) | Girls (n = 97) | Boys (n = 91) | Girls (n = 95) |
PE (Y,%) | 56 | 65 | 63 | 67 |
PE (mins/wk) | 30 (0–60) | 30 (0–120) | 30 (0–60) | 40 (0–60) |
Informal (mins/wk) | 540 (280–1140)d | 570 (210–1020)E | 420 (175–840)d | 360 (130–570)E |
Sedentary (mins/wk) | 1020 (690–1304) | 840 (600–1380)E | 1035 (740–1440) | 1200 (780–1604)E |
Walking to and from school (mins/wk)* | 200 (100–300) | 200 (100–300) | 200 (100–300) | 200 (100–300) |
Moderate SS: | Â | Â | Â | Â |
 Y,% | 39 | 60 | 38 | 51 |
 mins/wk* | 62.5 (24–96) | 48 (24–135) | 36 (24–90) | 60 (30–101) |
Vigorous SS: | Â | Â | Â | Â |
 Y,% | 66 | 16 | 73 | 33 |
 mins/wk* | 72 (45–144)b | 24 (12–72)b,E | 81 (36–192)B | 36 (15–96)B,E |
Moderate CS: | Â | Â | Â | Â |
 Y,% | 6 | 22 | 10 | 21 |
 mins/wk* | 57 (12–108) | 72 (48–144) | 60 (30–120) | 66 (21–132) |
Vigorous CS: | Â | Â | Â | Â |
 Y,% | 56 | 7 | 69 | 20 |
 mins/wk* | 150 (96–360)e | 108 (45–216) | 288 (90–540)B,e | 36 (20–75)B |
MVPA | 251 (84–420)c.d | 60 (27–210)c | 360 (135–648)C,d | 81 (33–192)C |
 (mins/wk)* | n = 86 | n = 63 | n = 83 | n = 67 |