Table 2 Mean proportion of student activity intensity (M%) and standard deviations (SD) during recess and lunch break in 2014 and 2015
Category | Recess & lunch behaviour (Mean proportion %) | Recess & lunch behaviour (Mean proportion %) Boys Obs. | Recess & lunch behaviour (Mean proportion %) Girls Obs. | Between group difference Boys and Girls | ||||
|---|---|---|---|---|---|---|---|---|
2014 M% (SD) (n = 839) | 2015 M% (SD) (n = 587) | 2014 M% (SD) (n = 420) | 2015 M% (SD) (n = 295) | 2014 M% (SD) (n = 419) | 2015 M% (SD) (n = 292) | Mean Difference (p-value) 2014 | Mean Difference (p-value) 2015 | |
Intensity of Physical Activity (via SOPARC) | ||||||||
Sedentary activities | 43.5 (30.9) | 50.9 (29.3) | 38.4 (30.4) | 44.0 (28.7) | 48.6 (30.7) | 58.0 (28.2) | 10.2 (< 0.01) | 14.0 (< 0.01) |
Walking | 37.8 (26.8) | 35.2 (24.8) | 37.6 (26.5) | 35.8 (23.7) | 38.0 (27.2) | 35.2 (25.9) | −0.4 (0.41) | −0.6 (0.61) |
Vigorous activities (VPA) | 18.8 (25.0) | 13.5 (20.5) | 24.0 (27.1) | 20.2 (24.2) | 13.5 (21.5) | 6.8 (12.9) | −10.5 (< 0.01) | −13.4 (< 0.01) |
Recess & lunch behaviour (Mean proportion VPA%) | Between group differences for hard and soft surface areas at baseline and follow-up | |||||||
Physical Activity observations (via SOPARC) | 2014 M% (SD) | 2015 M% (SD) | Mean Difference (p-value) 2014 | Mean Difference (p-value) 2015 | ||||
Cement or Asphalt (n = 425 in 2014; n = 284 in 2015) (Hard surface) | 12.7 (22.4) | 5.7 (12.8) | ||||||
Grass (n = 414 in 2014; n = 302 in 2015) (Soft surface) | 24.9 (26.4) | 20.9 (23.5) | −12.2 (< 0.01) | −15.2 (< 0.01) | ||||