Table 5.

Differencesin the duration of the mothers' behaviors in the three sessions.

3 min session					3 min session				3 min session				Asymp	Pairwise comparison
before (a)					during (b)				after (c)				Sig.	(Wilcoxon sing-ranked test)
	Min	Max	Mean	MD	Min	Max	Mean	MD	Min	Max	Mean	MD
			(SD)	(interquartile range IQR)			(SD)	(IQR)			(SD)	(IQR)
Vocal interactions
Mother speaks to the infant	0	1.1	0.08 (0.28)	0 (0)	0.8	2.3	0.18 (0.55)	0 (0)	0.3	16.6	1.37 (3.46)	0 (1.9)	0.139
Mother vocalizes to the infant	0	6.3	2.61 (1.27)	0 (0)	0	0	0 (0)	0 (0)	0	0	0 (0)	0 (0)	0.368
Mother speaks to the interviewer	26.4	136.7	65.23 (28.43)	58.2 (35.7)	30.03	180.7	75.02 (35.25)	63.8 (22.9)	0	104.6	55.85 (25.79)	53.1 (36.6)	0.030*	b > a; b > c*
Touch interactions
Mother touches the infant	0	152.7	58.34 (47.07)	46.1 (79.2)	0.1	118.3	23.35 (28.71)	14.7 (-23)	0.2	164.2	52.13 (40.46)	47.2 (67.6)	0.001*	b < a*; b < c*
Mother looks at the infant	0	20.03	6.57 (6.83)	3.9 (13.4)	0	14.7	3.35 (4.45)	1.6 (5.7)	0	45.1	10.68 (11.79)	7.1 (9.5)	0.018*	b < a; b < c*
Mother looks at what the infant is doing	0	46.9	8.69 (10.93)	4.9 (13.2)	0	20.6	3.66 (5.31)	1.7 (5.9)	0	39.8	6.75 (10.26)	2.2 (9)	0.096
Mother looks at the interviewer	23.8	178.5	114.95 (28.12)	11.5 (48.3)	19.7	169.6	90.69 (39.53)	91 (57.1)	22.9	156.9	106.82 (37.43)	115.6 (55.6)	0.006*	b < a*; b < c*
Mother looks at the environment	0	73.1	14.06 (15.55)	9.9 (13.3)	0	98.3	18.37 (26.4)	8.2 (19.5)	0	107.9	18.07 (23.61)	9.8 (16)	0.153
Mother looks absent	0	145	34.78 (37.43)	22.3 (34.1)	0	146	59.17 (44.1)	50.9 (74.6)	0	119	36.8 (32.12)	25.6 (35.3)	0.004*	b > a*; b > c*
Affects
Mother smiles	0	57.9	13.0 (18.26)	4.04 (17.4)	0	47.6	3.59 (10.63)	0 (0.5)	0	77	12.15 (21.13)	3.25 (16.6)	0.004*	b < a*; b < c*
Mother cries	0	0	0 (0)	0 (0)	0	88.2	3.67 (18)	0 (0)	0	0	0 (0)	0 (0)	0.368

^*p < 0.05.