. Author manuscript; available in PMC: 2014 Oct 1.

Published in final edited form as: J Psychosom Res. 2013 Aug 13;75(4):10.1016/j.jpsychores.2013.07.001. doi: 10.1016/j.jpsychores.2013.07.001

Table 3.

Backward selection regression model: gestational age at birth^a (n = 119) F(4,114) = 11.29, p < .0001

Variables	Estimate (β)	Standard error	p-Value
Perceived Stress Scale	0	0	.080
EMA negative mood	−0.10	0.02	<.001
Corticotropin-releasing hormone (pg/ml)^a	−0.01	0.01	.113
Cortisol (μg/dl)^b	−0.02	0.01	.001

Bold indicates significant effects.

Log-transformed variable.

Area under the curve with respect to ground.