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Table 7 Maths fluency: addition and subtraction scores at baseline and follow-up in the intervention and control group

From: An active play intervention to improve physical activity and fundamental movement skills in children of low socio-economic status: feasibility cluster randomised controlled trial

  Intervention (n = 57) Control (n = 53) Difference between groups for the change
Baseline
Mean (SD)
Follow-up
Mean (SD)
Within group change
Mean; d
Baseline
Mean (SD)
Follow-up
Mean (SD)
Within group change
Mean; d
Mean (95% CI) d
Addition 8.8 (5.0) 12.4 (5.9) 3.6; 1.0 8.2 (4.4) 10.8 (5.5) 2.6; 0.8 1.0 (− 0.3, 2.3) 0.3
Subtraction 5.9 (4.4) 9.3 (4.3) 3.4; 1.2 4.2 (3.3) 7.3 (4.3) 3.1; 0.9 0.3 (− 0.9, 1.5) 0.1