Table 2.

Parent-Child RSA Synchrony Models

	Mother-Child				Father-Child
	Estimate	SE	p–value	Estimate	SE	p–value
Fixed Effects
Intercept	5.45	0.55	< 0.001***	5.89	0.70	<0.001***
Time	−0.005	0.003	0.11	0.01	0.004	0.007**
Dyadic Positive Affect	0.007	0.003	0.007*	0.006	0.003	0.03*
Externalizing	−0.16	0.09	0.07†	0.21	0.12	0.07†
Child Average RSA	0.03	0.11	0.76	−0.12	0.14	0.37
Child State RSA	−0.02	0.03	0.54	0.05	0.04	0.18
Externalizing x Child Average RSA	0.03	0.02	0.12	−0.05	0.02	0.04*
Externalizing x Child State RSA	0.06	0.02	0.007**	0.05	0.03	0.07
Externalizing x Dyadic Positive Affect x Child State RSA	−0.00	0.00	0.29	−0.001	0.0002	0.002**
Externalizing x Child Average RSA x Child state RSA	−0.009	0.004	0.02**	−0.006	0.004	0.28
Random Effects	Estimate	Corr		Estimate	Corr
Intercept	1.04			1.04
Child State RSA	0.008	−0.44		0.02	−0.27
Residual	0.55			0.59

Note. Estimate = unstandardized beta coefficient; 1505 observations nested within 82 dyads for mothers; 1141 observations nested within 60 dyads for fathers.

^***p < 0.001

^**p < 0.01

^*p < 0.05

^†p < 0.10