Table 2.

Moderator analysis of cognitively engaging PA and EFs.

Categorical Variables	Level	No. of Studies	Cohen’s d	95%CI	I2%	Heterogeneity between Subgroups
						Q	d.f.	p Value
Session length(min)	<35	14	0.07	−0.01 to 0.15	10.4	4.55	1	0.033
	≥35	17	0.30	0.10 to 0.49	71.5
frequency	<3	13	0.18	−0.01 to 0.36	65.7	0.12	1	0.725
	≥3	19	0.22	0.09 to 0.35	62.5
Dose (min)/week	<100	14	0.26	0.11 to 0.40	55.8	0.74	1	0.390
	≥100	17	0.16	−0.56 to 0.38	63.4
Duration (week)	<10	19	0.25	0.11 to 0.40	46.1	0.71	1	0.401
	≥10	12	0.16	0.00 to 0.32	71.0
Total dose (min)	<1000	18	0.23	0.08 to 0.37	45.7	0.08	1	0.774
	≥1000	13	0.19	0.03 to 0.36	76.5
Continuous variables	Level	No. of studies	β	95%CI	I2%	Adjusted R2%	p value
BMI	15–25	28	0.03	−0.03 to 0.10	56.9	1.59	0.40
Age	4–12	31	0.03	0.04 to 0.09	63.8	5.48	0.27