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["Additional file 8. Pearson correlation analysis between accelerometer-logged steps and activity tracker-logged steps."]
[null,"Parent","Child"]
[null,"(n=270)","(n=245)"]
["Pearson’s correlation coefficient (95% limitsa)",0.74,0.34]
[null,"(0.68, 0.79)","(0.22, 0.44)"]
["Step differencesb – Mean (SD)",1595,2829]
[null,-3411,-4460]
["a 95% limits for Pearson’s correlation coefficients computed using Fisher’s z-transformation"]
["b Step differences calculated as: adherent steps logged on activity tracker minus adherent steps logged on accelerometer, for days where both were worn"]