Table 1.

EFA: Factor structure of the ICU

Items		Factor 1	Factor 2	Factor 3
Callousness
11	I do not care about doing things well.	0.81	−0.03	0.09
20	I do not like to put the time into doing things well.	0.77	0.00	−0.15
4	I do not care who I hurt to get what I want.	0.72	0.09	0.07
7	I do not care about being on time.	0.65	0.13	−0.04
18	I don’t feel remorseful when I do something wrong.	0.64	0.09	0.11
9	I do not care if I get into trouble.	0.64	0.01	0.20
12	I seem very cold and uncaring to others.	0.57	0.17	0.31
21	The feelings of others are unimportant to me.	0.47	−0.01	0.12
2	What I think is right and wrong is different from what other people think.	0.42	−0.21	0.11
Uncaring
24	I do things to make others feel good.a	−0.03	0.83	−0.15
16	I apologize (“say I’m sorry”) to persons I hurt. a	0.09	0.77	0.02
17	I try not to hurt others feelings. a	0.17	0.74	−0.03
23	I work hard on everything I do.a	0.08	0.73	−0.43
8	I am concerned about the feelings of others.a	0.10	0.70	0.07
15	I always try my best.a	0.25	0.63	−0.39
5	I feel bad or guilty when I do something wrong.a	0.14	0.63	0.03
3	I care about how well I do at school or work.a	0.18	0.60	−0.25
19	I am very expressive and emotional.a	−0.40	0.57	0.25
13	I easily admit to being wrong.a	−0.13	0.56	−0.03
14	It is easy for others to tell how I am feeling.a	−0.26	0.53	0.27
1	I express my feelings openly.a	−0.14	0.42	0.17
Unemotional
22	The feelings of others are unimportant to me.	−0.03	0.31	0.57
6	I do not show my emotions to others.	0.00	0.19	0.63
10	I do not let my feelings control me.	−0.14	0.07	0.42

Italicized items do not correspond to item loadings from the original factor analysis (see Essau et al. 2006)

^aItems that require reverse scoring before calculation of the total score