Table 2.

Intercorrelations and other Descriptive Statistics for Fear, Sadness, and Anger at 6, 12, and 18 months of age

	1.	2.	3.	4.	5.	6.	7.	8.	9.	10.	11.	IBQ Scale Reliability (alpha)
1. 6 Month Fear	1											.91
2. 12 Month Fear	.45***	1										.85
3. 18 Month Fear	.47***	.55***	1									.88
4. 6 Month Sadness	.18	.075	.19	1								.78
5. 12 Month Sadness	.08	.26**	.26*	.38**	1							.80
6. 18 Month Sadness	.23*	.23**	.31**	.33**	.58**	1						.71
7. 6 Month Anger	.26*	.16	.22*	.65**	.44**	.32**	1					.91
8. 12 Month Anger	.05	.23*	.17	.38**	.57**	.38**	.56**	1				.95
9. 18 Month Anger	.11	.33***	.22*	.31**	.42**	.47**	.48**	.69**	1			.88
10. Gestational Age at scan	.14	−.01	−.09	.15	−.01	.15	.02	.03	.02	1
11. Scan motion	.01	.09	.03	−.03	−.03	−.08	.02	−.02	.01	−.04	1
Mean	2.10	2.87	3.14	3.46	3.50	3.32	3.42	4.04	3.95	33.08	2.27
S.D.	0.70	0.82	0.81	0.78	0.72	0.69	0.70	0.72	0.81	5.92	1.78
Range	1 - 4.69	1.07 - 4.67	1 – 4.69	1.85 - 5.58	1.6 – 5.5	1.75 – 5	1.75 – 5.69	2.63 – 6.69	2.31 – 5.88	18 – 50	0.48 – 13.17
Male Mean	2.08	2.84	3.14	3.46	3.36	3.28	3.49	4.06	3.92	32.88	1.93
Female Mean	2.11	2.90	3.15	3.46	3.62	3.35	3.36	4.02	3.97	33.26	2.57
t	−0.14	−0.34	−0.05	0.04	−1.81	−0.48	0.90	0.30	−0.34	−0.33	−1.84
(df)	97	99	93	97	99	93	97	99	93	101	101
p-value for difference	0.886	0.732	0.962	0.967	0.073	0.634	0.369	0.763	0.736	0.746	0.069

Note:

^***p<.0001,

^**p<.01,

^*p<.05.