Table 6 Correlation between parental rating and teachersʼ rating of executive functioning (BRIEF-P).

	Children of mothers who smoked (n = 42)		Children of mothers who did not smoke (n = 27)
	r1	p	r2	p	pa	r12 b	rn
Note: r = correlation coefficient, a = calculated p-values to test the null hypothesis for both correlation coefficients, b = pooled correlation coefficients using Fisher z-transformation, rn = correlation coefficient of the standardization sample population, ISCI = Inhibitory Self-Control Index, FI = Flexibility Index, EMI = Emergent Metacognition Index, GEC = General Executive Composite.
Inhibit	0.51	0.007	0.54	0.000	0.879	0.53	0.55
Shift	0.34	0.079	0.48	0.002	0.518	0.43	0.45
Emotional Control	0.25	0.203	0.23	0.152	0.929	0.24	0.35
Working Memory	0.78	0.000	0.59	0.000	0.162	0.67	0.60
Plan/Organize	0.62	0.001	0.35	0.029	0.167	0.47	0.49
ISCI	0.59	0.001	0.55	0.000	0.844	0.56	0.52
FI	0.39	0.046	0.36	0.022	0.908	0.37	0.43
EMI	0.74	0.000	0.54	0.000	0.202	0.63	0.58
GEC	0.68	0.000	0.53	0.000	0.346	0.59	0.56