. 2019 Dec 6;29(10):1441–1451. doi: 10.1007/s00787-019-01452-z

Table 1.

Comparisons between identified groups for the study sample

Variable	Primary (n = 26)	Secondary (n = 19)	Controls (n = 35)	F value	df	η²
CU traits
ICU time 1	30.84 (2.01)^b	29.07 (2.34)^b	17.25 (1.66)^a	16.45*	2	0.36
ICU time 2	31.37 (2.02)^b	28.57 (2.36)^b	17.32 (1.67)^a	16.51*	2	0.36
ICU time 3	29.47 (1.97)^b	28.14 (2.29)^b	14.79 (1.62)^a	20.65*	2	0.41
Conduct problems
YI-4 time 1	6.05 (1.16)^b	9.71 (1.35)^c	2.11 (0.95)^a	11.13*	2	0.28
YI-4 time 2	9.00 (1.47)^b	12.64 (1.71)^b	1.75 (1.21)^a	15.60*	2	0.35
YI-4 time 3	6.05 (0.92)^b	6.50 (1.07)^b	2.25 (0.76)^a	7.60*	2	0.21
Anxiety
YI-4 time 1	4.47 (0.77)^a	11.71 (0.90)^b	4.60 (0.63)^a	24.60*	2	0.46
YI-4 time 2	5.10 (0.68)^a	10.36 (0.79)^b	5.82 (0.56)^a	14.58*	2	0.34
STAI time 3	44.95 (1.27)^a	52.79 (1.48)^b	43.00 (1.04)^a	15.04*	2	0.34

Estimated marginal means (SE). Different subscripts (a, b, c) denote significant differences between groups in post hoc pairwise comparisons

CU callous unemotional traits, ICU inventory of callous unemotional traits, YI-4 Youth’s Inventory, STAI State-Trait Anxiety Inventory

*p < 0.01