Table 7.

Regression analysis: Predicting infant responsiveness during mother–infant interactions

	Standardized Regression Coefficient
Predictor Variables	R2	R2 Inc.	ΔF	Step 1	Step 2	Step 3	Step 4
1. Mothers’ Sensitivity	.25	.25	16.09**	.27**	.30**	.32**	.31**
Mothers’ Negative Affect				.13	.12	.09	.07
Mothers’ Positive Affect				.21*	.23*	.25*	.28**
Mothers’ Verbalizations				.03	−.03	−.03	−.05
2. Mothers’ Alcohol Problems	.27	.02	1.62		.12	.12	.12
Mothers’ Antisocial Behavior					−.03	−.05	−.06
Mothers’ Depression					.07	.10	.07
Mothers’ Aggression					.07	.07	−.02
3. Fathers’ Sensitivity	.30	.03	2.16			.07	.11
Fathers’ Negative Affect						.14	.14
Fathers’ Positive Affect						.07	.08
Fathers’ Verbalizations						−.16	−.17
4. Fathers’ Alcohol Group	.32	.02	1.49				.01
Fathers’ Antisocial Behavior							−.04
Fathers’ Depression							.12
Fathers’ Aggression							.13

R² Inc., increase or improvement in R² in each step.

^*p < .05.

^**p < .01.