Table 3.

Moderator variables analysis results for the mixed-handedness meta-analysis

Variable	Levels	ndata sets	OR	95% CI	Statistics
Mean age	Continuous variable	12	n/a	n/a	F(1,12) = 0.32, p = 0.58
Year of publication	Continuous variable	14	n/a	n/a	F(1,14) = 0.61, p = 0.45
Sex ratio	Continuous variable	11	n/a	n/a	F(1,11) = 4.28, p = 0.06
Handedness measurement	EHI	6	1.37	0.5; 4.00	Q(1) = 0.26, p = 0.61
	Other	10	0.99	0.32; 2.98
Main purpose	Yes	7	1.46	0.35; 6.04	Q(1) = 0.40, p = 0.53
	No	9	0.92	0.34; 2.53