. Author manuscript; available in PMC: 2013 Jun 28.

Published in final edited form as: Dev Psychopathol. 2011 May;23(2):539–550. doi: 10.1017/S0954579411000058

Table 2.

Correlations among study variables

	Cigs/Week Preg.	AA/Week Preg.	Group Status	Days Coc./Week	Event Risk	MPS: 1–13 Months	MW: 7–13 Months	Cort. 7 Months
AA/week: preg.	.37^**
Group status	.37^**	.29^**
Days coc./week: preg.	.40^**	.59^**	.38^**
Environ. risk: 1–13 months	.06	.15^*	.06	.03
MPS: 1–13 months	.24^**	.12	.001	.003	.31^**
MW: 7–13 months	.06	.02	−.12	.02	−.03	−.04
Cort. reactivity: 7 months	−.04	.09	.11	.03	−.04	−.03	.06
Behavior probs.: 18 months	.09	.04	.05	.05	.20^*	.32^**	−.18^*	−.13

Note: Cigs, cigarettes; Preg., pregnancy; AA, average alcohol; Coc., cocaine; MPS, maternal psychiatric symptoms; MW, maternal warmth, Cort., cortisol.

p < .05.

^**

p < .01.