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Table 4 Mean percentage time-on-task (SD); n during start, midway and end observation period

From: Moderate-to-vigorous physically active academic lessons and academic engagement in children with and without a social disadvantage: a within subject experimental design

  Observation SDC Non-SDC Total
Start Post-Intervention* 82.6 (11.1); 19 90.4 (10.6); 54 88.4 (11.2); 73
Post-control* 83.1 (11.6); 17 89.5 (8.7); 50 87.9 (9.8); 67
Midway Post-Intervention* 85.4 (10.3); 18 88.9 (9.1); 58 88.1 (9.4); 76
Post-control* 75.9 (12.4); 15 84.0 (11.0); 55 82.3 (11.7); 70
End Post-Intervention 88.7 (13.9); 15 93.0 (11.2); 57 92.1 (11.8); 72
Post-control 82.7 (14.5); 15 87.1 (14.2); 61 86.2 (14.3); 76
  1. *Time-on-task of the two merged observations was not significantly different.