Table 1 Change in physical activity from T1: Primary school to T2: Secondary school

Categorical variable

N

N

%

N

%

N

%

p ^†

Average daily MVPA (accelerometer) by recommendation (1: < 60 mins; 2: ≥ 60 mins)

127

102

80%

8

6%

17

13%

Frequency being very active in PE class (1: No PE, to 5: Always)

242

126

52%

79

33%

37

15%

*

Do most of the time at recess (1: Sit down, to 5: Run/play hard)

240

65

27%

42

18%

133

55%

*

Do most of the time at lunch (1: Sit down, to 5: Run/play hard)

236

52

22%

42

18%

142

60%

*

School encourages organised sport participation (0: Not at all, to 3: A lot)

242

109

45%

77

32%

56

23%

School encourages physical activity at lunchtime (0: Not at all, to 3: A lot)

240

101

42%

56

23%

83

35%

Teachers as physically active role models (1: Very poor, to 5: Very good)

242

101

42%

81

33%

60

25%

Continuous variable

N

Mean (SD)

95% CI

Mean (SD)

95% CI

Mean (SD)

95% CI

p ^#

Average daily (mins) MVPA (accelerometer)

127

51 (18)

49, 55

48 (17)

45, 51

−4 (13)

−6, −1

*

Average daily (mins) light PA (accelerometer)

127

219 (39)

212, 225

196 (40)

189, 203

−23 (33)

−28, −17

*

Average daily (mins) after-school being very active (self-report)

237

64 (56)

57, 71

75 (67)

66, 83

10 (66)

2, 19

*

Average daily (mins) weekend being very active (self-report)

242

84 (82)

74, 95

83 (85)

72, 94

−1 (106)

−14, 13

Walk to/from school (0–10 times/week)

243

2.9 (3.8)

2.4, 3.4

3.0 (3.8)

2.5, 3.4

0.1 (4.1)

−0.4, 0.6

Cycle/scoot to/from school (0–10 times/week)

243

1.2 (2.5)

0.9, 1.5

0.5 (1.6)

0.3, 0.7

−0.7 (2.6)

−1.0, −0.4

*