Table 3:

Results of meta-analysis models for each cognitive domain

							Heterogeneity
	Studies	Outcomes	Estimate (SE)	95% CI	Degrees of freedom	Uncorrected p value	τ2	I2
Processing Speed	37	88	−0.885 (0.14)	−1.17, −0.60	35.8	2.3×10−7	0.6	91.4
Executive function	58	188	−0.936 (0.08)	−1.09, −0.78	56.1	<2×10−16	0.4	87.6
Delayed memory	41	98	−0.898 (0.10)	−1.10, −0.69	39.6	7.2×10−11	0.5	88.0
Attention	12	19	−0.622 (0.14)	−0.94, −0.31	10.6	0.001	0.2	80.8
Reasoning	16	25	−0.634 (0.14)	−0.93, −0.34	14.6	4.2×10−4	0.2	76.5
Visuospatial ability	27	50	−0.720 (0.11)	−0.96, −0.48	25.3	1.3×10−6	0.3	77.6
Language	24	42	−0.808 (0.10)	−1.01, −0.60	22.7	3.2×10−8	0.3	81.2