. Author manuscript; available in PMC: 2015 Jan 1.

Published in final edited form as: Neurotoxicol Teratol. 2013 Dec 12;41:65–70. doi: 10.1016/j.ntt.2013.12.003

Table 2. Binary Logistic Regression Predicting Risk-taking at 16 Years of Age.

Model	Variables	B	SE	Exp(B)	Sig.	Nagelkerke R ²	ΔR ²
1						.10	.10^*
	Sex	1.20	0.46	3.30	.009^*
	Cocaine	0.30	0.44	1.50	.506
2						.16	.06^*
	Sex	1.26	.49	3.51	.010^*
	Cocaine	−.053	.52	0.95	.918
	Sex X cocaine	−2.20	1.03	0.11	.032^*
3						.24	.08^*
	Sex	1.32	0.52	3.75	.010^*
	Cocaine	−1.09	0.80	0.34	.173
	Sex X cocaine	−2.67	1.15	0.07	.020^*
	Env. risk	−0.01	0.16	0.99	.948
	Alcohol	0.66	0.34	1.94	.053^t

Note. Env. Risk, Early Environmental Risk

p <.05

p <.10