. Author manuscript; available in PMC: 2009 Sep 1.

Published in final edited form as: Infant Behav Dev. 2008 Mar 4;31(3):361–373. doi: 10.1016/j.infbeh.2007.12.008

Table 2.

Correlations between vagal tone of infants of depressed and non-depressed mothers and the proportion of interaction time that facial expressions occurred (interobserver reliability coefficients in parentheses) (Pickens & Field 1995)

	Infant Vagal Tone
	Depressed	Non-Depressed
Expression
Interest (.77)	.00	.44¹
Joy (.80)	.22	.65¹
Sad (.84)	−.39¹	−.16
Anger (.79)	−.42¹	−.18

p<.05