Table 3 Moderating effect of gender and the level of physical activity in primary school (expressed in achieved the physical activity guideline or not) on the longitudinal changes in physical activity during the transition from primary to secondary school
Moderating effect of gender | T1 – boys | T1 – girls | T2 – boys | T2 – girls | time point × gender (boys/girls) |
|---|---|---|---|---|---|
(ß) | |||||
Self-reported PA | Â | Â | Â | Â | Â |
 Active transport to and from school (mean min/day) | 12.62 (14.23) | 10.08 (12.29) | 18.79 (18.31) | 15.65 (17.22) | 1.26 (2.33) |
 Extracurricular PA (mean min/day) | 27.61 (18.38) | 18.52 (17.87) | 15.15 (16.84) | 6.13 (11.35) | −1.17 (2.53) |
 Total PA level (mean min/day) | 92.16 (42.70) | 68.84 (37.04) | 81.47 (44.67) | 57.19 (31.16) | 5.03 (5.16) |
Pedometer/accelerometer determined PA | Â | Â | Â | Â | Â |
 Pedometer/accelerometer weekday steps (mean steps/day) | 12214.93 (3586.93) | 10259.82 (3231.38) | 12075.09 (3991.01) | 9800.48 (3057.36) | 199.71 (512.31) |
 Accelerometer weekday MVPA (mean min/day) | 34.55 (20.60) | 19.78 (13.65) | 40.79 (26.57) | 21.59 (15.40) | 6.16 (4.89) |
Moderating effect of physical activity in primary school | T1 – A | T1 – B | T2 – A | T2 – B | time point × baseline physical activity (A/B) |
(ß) | |||||
Self-reported PA | Â | Â | Â | Â | Â |
 Active transport to and from school (mean min/day) | 13.19 (13.65) | 10.49 (13.29) | 18.22 (18.30) | 16.99 (17.58) | −2.77 (2.51) |
 PA (mean min/day) | 24.28 (19.06) | 22.99 (18.53) | 13.16 (15.44) | 9.57 (14.76) | −0.28 (2.69) |
 Total PA level (mean min/day) | 90.72 (44.89) | 76.12(39.90) | 78.71 (42.82) | 65.35 (38.76) | −7.70 (5.49) |
Pedometer/accelerometer determined PA | Â | Â | Â | Â | Â |
 Pedometer/accelerometer weekday steps (mean steps/day) | 14811.25 (2817.57) | 9478.01(2323.06) | 12265.14 (4110.56) | 10226.23 (3258.95) | −3498.75 (515.77)*** |
 Accelerometer weekday MVPA (mean min/day) | 50.67 (20.60) | 23.39 (15.51) | 48.26 (32.02) | 28.52 (20.97) | −6.98 (6.21) |