Table 3.

Pattern matrix EFA (13 items).

	Severe pain	Medical pain	Minor pain
Item 06	0.809	−0.021	−0.089
Item 13	0.737	0.011	−0.112
Item 04	0.700	−0.008	0.053
Item 10	0.617	−0.035	0.130
Item 08	−0.063	0.879	−0.046
Item 11	−0.086	0.865	0.018
Item 17	0.212	0.552	0.025
Item 21	0.258	0.430	0.182
Item 24	−0.212	−0.012	0.795
Item 02	0.092	−0.010	0.606
Item 03	0.149	−0.059	0.603
Item 28	−0.069	0.058	0.574
Item 07	0.122	0.026	0.493
α	0.796	0.804	0.751
ω	0.796	0.804	0.752
λ6	0.750	0.785	0.723
r*	0.61	0.62	0.65

Extraction Method, Maximum Likelihood; Rotation Method, Promax with Kaiser Normalization; Rotation converged in 5 iterations. Values above 0.4 are given in bold face. α, Cronbach’s alpha; ω, McDonald’s omega; λ6, Gutmann’s lamda; r*, average inter-item correlation.