Table 1:

Correlation Matrix and Descriptive Statistics for Reactive Attachment Disorder Signs in by Assessment Wave

	Baseline (n=177)	30 months (n=168)	42 months (n=168)	54 months (n=158)	8 years (n=145)	12 years (n=129)
Baseline	1
30 months	.29***	1
42 months	.22**	.47***	1
54 months	.26**	.27***	.57***	1
8 years	.27**	.36***	.48***	.47***	1
12 years	.17	.23*	.59***	.53***	.52***	1
Mean (SD)	1.59 (2.11)	0.94 (1.70)	0.72 (1.46)	0.65 (1.55)	0.60 (1.59)	0.90 (2.02)
Range	0–10	0–8	0–9	0–10	0–9	0–10
Cronbach’s α	.74	.73	.67	.80	.85	.88

Note. Ns vary based on assessment wave.