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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: J Autism Dev Disord. 2013 Oct;43(10):2341–2352. doi: 10.1007/s10803-013-1775-1

Table 5.

Factor loadings from the exploratory factor analysis (four factor solution), presented for the full sample

Item (number refers to the number in the full CASI measure) Factor 1 Factor 2 Factor 3 Factor 4

Generalized Anxiety Separation Anxiety Over-arousal Social anxiety
47 is over concerned about abilities 0.84 −0.14 0.00 0.03
48 has difficulty controlling worries 0.84 −0.07 0.07 0.15
49 acts restless or edgy 0.03 0.03 0.72 0.03
51 is extremely tense or unable to relax 0.03 −0.04 0.88 0.02
52 has difficulty falling asleep −0.08 0.10 0.57 0.00
53 is overly fearful of specific objects 0.29 0.41 −0.05 0.22
54 complains about heart pounding 0.74 0.19 −0.01 −0.01
55 cannot get distressing thoughts out of mind 0.81 0.04 0.05 0.07
61 complains about physical health problems 0.71 0.04 0.09 −0.02
62 worries about physical health 0.85 0.09 0.01 −0.03
63 more anxious in social situations than most children 0.14 0.03 0.34 0.63
64 is excessively shy with peers 0.21 0.06 −0.05 0.65
65 gets very upset when expects to be separated −0.25 0.81 0.06 0.29
66 worries that parents will be hurt/leave 0.25 0.67 0.01 0.12
67 worries that some disaster will separate from parents 0.51 0.55 −0.04 −0.04
68 tries to avoid going to school to stay with parents 0.21 0.56 0.05 −0.11
69 worries about being left home alone or with sitter 0.00 0.80 −0.08 0.03
70 afraid to go to sleep unless near parents −0.17 0.66 0.23 −0.08
71 has nightmares about being separated from parents 0.26 0.68 0.16 −0.23
72 complains about feeling sick when expects separation 0.23 0.66 0.12 −0.11

Correlations between Factors

Factor 1: Generalized Anxiety 1.00
Factor 2: Separation Anxiety 0.44 1.00
Factor 3: Over-arousal 0.32 0.37 1.00
Factor 4: Social Anxiety 0.13 0.12 0.25 1.00

Note: Shaded cells illustrate the highest factor loading (>0.50) for each item.