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Table 4 Intervention interaction terms with covariates investigating potential effect modification

From: Children's physical activity levels during school recess: a quasi-experimental intervention study

Interaction term β (SE) p
MVPA   
Intervention × MVPA baseline -0.15 (0.14) 0.28
Intervention × sex 3.03 (2.75) 0.27
Intervention × age -3.03 (1.19) 0.01**
Intervention × BMI -0.13 (0.523) 0.81
Intervention × recess duration 0.25 (0.14) 0.07*
VPA   
Intervention × VPA baseline -0.17 (0.16) 0.28
Intervention × sex 0.23 (1.31) 0.86
Intervention × age -0.82 (0.48) 0.09*
Intervention × BMI -0.02 (0.24) 0.93
Intervention × recess duration 0.02 (0.05) 0.74
  1. * p < 0.1; ** p < 0.05