Table 2.

Logistic Regression Models of Academic Achievement and Substance Use

Panel A: Academic Achievement	High School Dropout			Poor Grades			No College
	M1 Exp(B)	M2 Exp(B)	% Δ M2-M1	M1 Exp(B)	M2 Exp(B)	% Δ M2-M1	M1 Exp(B)	M2 Exp(B)	% Δ M2-M1
Family type (low conflict reference)
Medium conflict	1.38	1.25	−10	1.12	1.04	−7	1.06	1.04	−1
High conflict	1.76 **	1.53	−13	1.59 **	1.43 *	−10	1.08	1.03	−5
Stepfather	2.89 ***	2.60 ***	−10	1.40 *	1.28	−9	1.49 **	1.43 **	−4
Single-mother	3.62 ***	2.99 ***	−17	1.48 **	1.25	−16	1.68 ***	1.47 **	−12
Ln family income z-score		0.91			0.89 **			0.85 ***
Mother-child relationship z-score		0.76 ***			0.82 ***			0.97
Time with mother z-score		0.89			0.93			0.99
Harsh mothering z-score		1.13			1.06			1.09
Key Contrasts
High conflict v. step	0.61 **	0.59 **		1.14	1.13		0.72 **	0.72 **
High conflict v. single	0.49 ***	0.51 ***		1.07	1.15		0.64 ***	0.70 **
Step v. single	0.80	0.87		0.94	1.02		0.89	0.97

Panel B: Substance Use	Current Smoking			Binge Drinking			Marijuana Use
	M1 Exp(B)	M2 Exp(B)	% Δ M2-M1	M1 Exp(B)	M2 Exp(B)	% Δ M2-M1	M1 Exp(B)	M2 Exp(B)	% Δ M2-M1
Family type (low conflict reference)
Medium conflict	1.26	1.19	−5	1.29	1.28	−1	1.24	1.24	0
High conflict	1.53 **	1.42 **	−7	1.66 ***	1.66 ***	0	1.35	1.35	0
Stepfather	1.98 ***	1.87 ***	−5	1.33 *	1.35 *	2	1.70 ***	1.74 ***	2
Single-mother	2.05 ***	1.94 ***	−5	1.34 *	1.54 **	15	1.48 **	1.61 **	9
Ln family income z-score		1.00			1.28 ***			1.16 *
Mother-child relationship z-score		0.92			0.97			0.88 **
Time with mother z-score		0.88 **			0.96			0.97
Harsh mothering z-score		1.08			0.98			0.91
Key Contrasts
High conflict v. step	0.77	0.76 *		1.25	1.23		0.79	0.78
High conflict v. single	0.75 *	0.73 *		1.24	1.08		0.91	0.84
Step v. single	0.96	0.96		0.99	0.88		1.15	1.08

Note: Controls are included in M1 and M2, but not shown, for child’s age and sex and mother’s race, education, childhood family structure, and past childbearing and union experiences.

^*p < 0.10;

^**p < 0.05;

^***p < 0.01