Table 2. Logistic Regression Predicting Problem Behavior Composite (N=14,884).

Variable	Model 1				Model 2
	b	SE	OR	95% Confidence Interval	b	SE	OR	95% Confidence Interval
Middleborn	0.28 ***	0.07	1.33	1.16-1.52	0.25 ***	0.07	1.28	1.11-1.47
Lastborn	0.18 ***	0.05	1.20	1.08-1.33	0.12 *	0.05	1.13	1.01-1.26
Sibship Size	-0.04 *	0.02	0.96	0.92-1.00	-0.03	0.02	0.97	0.93-1.01
Family Education	-0.01	0.03	0.99	0.94-1.05	0.02	0.03	1.02	0.96-1.08
Intact Family	-0.43 ***	0.05	0.65	0.59-0.72	-0.33 ***	0.06	0.72	0.64-0.81
Family Income	0.06 *	0.02	1.06	1.01-1.11	0.06 *	0.02	1.06	1.02-1.11
Age	0.16 ***	0.02	1.17	1.13-1.21	0.11 ***	0.02	1.12	1.08-1.16
Male	0.51 ***	0.05	1.67	1.52-1.83	0.43 ***	0.05	1.53	1.39-1.69
Black	-0.41 ***	0.08	0.67	0.57-0.79	-0.49 ***	0.08	0.62	0.53-0.72
American Indian	0.69 *	0.26	1.99	1.18-3.33	0.58 *	0.25	1.78	1.07-2.95
Asian	-0.16	0.15	0.85	0.64-1.13	-0.01	0.14	0.99	0.75-1.30
Hispanic	0.00	0.11	1.00	0.81-1.24	0.02	0.11	1.02	0.83-1.26
Other Race	0.23 **	0.08	1.26	1.07-1.49	0.24 **	0.08	1.28	1.08-1.50
Twins	-0.19	0.12	0.83	0.65-1.06	-0.14	0.13	0.87	0.68-1.12
PVT					0.14 ***	0.03	1.14	1.07-1.22
GPA					-0.47 ***	0.04	0.62	0.58-0.67
Parental Presence					-0.09 ***	0.01	0.92	0.90-0.93
Parental Closeness					-0.03 *	0.01	0.97	0.94-0.99
Constant	-2.36 ***	0.30			1.28 ***	0.38

^*p<.05

^**p<.01

^***p<.001