Table 2 All baseline neuropsychological test scores (n = 1209).

Test	Gender	Mean	SD	F	p	d†
Verbal memory	Male	0.82	0.10	35.6	0.001**	0.40
	Female	0.86	0.10
Visual memory	Male	0.74	0.13	10.5	0.001**	0.23
	Female	0.71	0.13
Processing speed	Male	38.8	7.24	0.36	0.55	0.03
	Female	39.0	7.08
Reaction time	Male	0.55	0.083	0.04	0.85	0.00
	Female	0.55	0.074

*Significant at the 0.001 level; †Cohen's d.