TABLE 3.

Item loadings of three-factor structure and latent correlations among factors in CFA.

		Standardized factor loadings
		Factor I	Factor II	Factor III
Physical concerns
Item 3	It scares me when my heart beats rapidly.	0.844
Item 4	When my stomach is upset, I worry that I might be seriously ill.	0.844
Item 7	When my chest feels tight, I get scared that I won’t be able to breathe properly.	0.885
Item 8	When I feel pain in my chest, I worry that I’m going to have a heart attack.	0.903
Item 12	When I notice my heart skipping a beat, I worry seriously wrong with me.	0.775
Item 15	When my throat feels tight, I worry that I could choke to death.	0.816
Social concerns
Item 1	It is important for me not to appear nervous.		0.740
Item 6	When I tremble in the presence of others, I fear what people might think of me.		0.816
Item 9	I worry that other people will notice my anxiety.		0.917
Item 11	It scares me when I blush in front of people.		0.838
Item 13	When I begin to sweat in a social situation, I fear people will think negatively of me.		0.870
Item 17	I think it would be horrible for me to faint in public.		0.750
Cognitive concerns
Item 2	When I cannot keep my mind on a task, I worry that I might be going crazy.			0.851
Item 5	It scares me when I am unable to keep my mind on a task.			0.883
Item 10	When I feel “spacey” or spaced out, I worry that I may be mentally ill.			0.830
Item 14	When my thoughts seem to speed up, I worry that I might be going crazy.			0.834
Item 16	When I have trouble thinking clearly, I worry there is something wrong with me.			0.846
Item 18	When my mind goes blank, I worry there is something terribly wrong with me.			0.800
		Latent correlations (90% CI)
Physical concerns with social concerns		0.495 (0.440–0.549)
Physical concerns with cognitive concerns		0.531 (0.482–0.580)
Social concerns with cognitive concerns		0.658 (0.616–0.700)

All of the standardized factor loadings are statistically significant.