. Author manuscript; available in PMC: 2019 Sep 1.

Published in final edited form as: Dev Psychobiol. 2018 Jun 21;60(6):739–747. doi: 10.1002/dev.21747

Table 2.

Hierarchical Regression Models predicting Children’s Aggressive Behaviors

	Model 1		Model 2

Parameter	B (β)	CI	B (β)	CI
Sex (male = 0)	−2.39 (−.23)*	−.42 to −.35	−2.45 (−.23)*	−.41 to −.05
Maternal Education	0.74 (.16)^	−.02 to .34	0.87 (.19)*	.12 to .37
Child Age in Months	−0.37 (−.09)	−.27 to .08	−0.40 (−.10)	.27 to .07
Attention Problems	0.55 (.24)**	.03 to .43	0.47 (.20)*	.02 to .39
Rejecting Child-rearing Attitudes	3.09 (.34)**	.14 to .53	3.09 (.34)**	.15 to .53
Child’s Baseline RSA	0.35 (.08)	−.12 to .27	−0.13 (−.03)	−.23 to .17
Child’s Δ RSA	0.07 (.01)	−.18 to .19	0.71 (.07)	−.23 to .28
Child’s Baseline RSA X Rejecting Child-rearing Attitudes	-	-	0.27 (.04)	−.17 to .24
Child’s Δ RSA X Rejecting Child-rearing Attitudes	-	-	−4.67 (−.29)**	−.49 to −.09

Total R² (Δ R²)	.38 (−)	.44 (.06)

Notes: p ≤ .10^{^},p ≤ .05*,p ≤ .01**; continuous predictors centered; higher order interactions non-significant; CI = confidence interval; RSA = Respiratory Sinus Arrythmia