Table 2.

Fixed and random effects of the best age models for parent-reported empathy.

	Emotion contagion			Attention to others
Fixed effects	Estimates (SE)	CI [low, high]	p value	Estimates (SE)	CI [low, high]	p value
Intercept	0.34 (0.04)	[0.27, 0.43]	<0.001	1.35 (0.05)	[1.25, 1.45]	<0.001
Age	−0.0008 (0.001)	[−0.002, 0.0008]	0.348	0.001 (0.001)	[−0.001, 0.003]	0.914
Group	–	–	–	−0.42 (0.06)	[−0.54, −0.30]	<0.001
Random effects	Estimates (SE)	CI [low, high]	Wald’s Z	Estimates (SE)	CI [low, high]	Wald’s Z
Residual	0.05 (0.01)	[0.04, 0.06]	10.05	0.06 (0.01)	[0.05, 0.07]	10.69
Intercept	0.06 (0.01)	[0.05, 0.08]	6.57	0.10 (0.01)	[0.08, 0.13]	7.10
	Prosocial actions			Emotion acknowledgment
Fixed effects	Estimates (SE)	CI [low, high]	p value	Estimates (SE)	CI [low, high]	p value
Intercept	0.80 (0.05)	[0.71, 0.90]	<0.001	3.74 (.09)	[3.57, 3.91]	<0.001
Age	0.006 (0.001)	[0.004, 0.008]	<0.001	0.0035 (0.001)	[0.001, 0.008]	0.002
Group	−0.64 (0.06)	[−0.75, −0.53]	<0.001	−1.01 (0.10)	[−1.21, −0.80]	<0.001
Random effects	Estimates (SE)	CI [low, high]	Wald’s Z	Estimates (SE)	CI [low, high]	Wald’s Z
Residual	0.06 (0.01)	[0.05, 0.07]	10.49	0.16 (0.02)	[0.14, 0.19]	10.81
Intercept	0.10 (0.01)	[0.07, 0.13]	6.79	0.33 (0.04)	[0.25, 0.42]	7.58

SE: standard error; CI: confidence interval.