TABLE 1.

Demographics and descriptive statistics of study 1.

	N	Mean	SD	Range (min-max score)/Frequencies (N)
Sex (% girls)	229	57.3%	−	−
LPE	169	−	−	Low: 31 Moderate: 91 High: 47
CITO mathematics	154	2.55	1.32	1–5
CITO reading comprehension	153	2.61	1.42	1–5
Self-perceived EFs	217	29.36	4.25	16–39

N is the number of participants with complete data on the variable, and the LPE levels are explained in Supplementary Table 1.