Table 3.

Pearson correlations between sociodemographic characteristics and executive functions (EF), intellectual quotient (IQ), and pragmatics skills (PS) measures.

	Age (month)	Gender	Income	Mother's education
PS
Complexity	−0.07	0.17	−0.05	0.31*
Talkativeness	−0.14	0.27*	−0.18	0.15
Assertiveness	−0.22	0.05	0.04	0.28*
Communicative control	0.08	0.07	−0.02	−0.10
Responsiveness	0.17	0.18	−0.19	−0.07
EF
Self-control	0.02	−0.15	−0.02	−0.09
Inhibition	0.23	−0.10	0.25*	0.14
Working memory	0.12	0.06	0.05	0.27*
Flexibility	0.32**	0.10	0.24	0.32**
Planning	0.33**	−0.02	0.30*	0.30*
IQ ESTIMATED
Vocabulary	0.26*	0.15	0.36**	0.19
Visuoconstructive	0.15	0.22	0.02	0.28*

^*p < 0.05,

^**p < 0.01.