. 2020 Feb 13;15(2):e0228129. doi: 10.1371/journal.pone.0228129

Table 1. Demographic characteristics of the groups of participants involved in the study.

Age-matched comparison
	Younger cohort			Older cohort
	English	Italian	Diff E-I	English*	Italian	Diff E-I
Grade	3rd	2nd		5^th	4th
N	58	58		70	86
Gender	30M/28F	29M/29F	.85	32M/38F	40M/46F	.92
Age	7.9	7.3	< .001	10	9.6	< .001
Raven: raw accuracy (and z score according to normative data)	29.1 (z = .73)	22.8 (z = .43)	< .001 .06	31.4 (z = -.28)	29.3 (z = -.01)	< .001 .12
Grade matched comparison
	English	Italian	Diff E-I
Grade	5^th	5^th
N	19	19
Gender	10M/9F	9M/10F	.75
Age	10.3	10.4	.07
Raven: raw accuracy (and z score according to normative data)	31.4 (z = -.30)	31.0 (z = -.03)	.15 .37