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Table 2 Extracted eigen values and % of variance after polychoric correlations (N = 158)

From: Patients’ confidence in treatment decisions for early stage non-small cell lung cancer (NSCLC)

Eigen value Total % of Variance Cumulative %
1 9.00 81.00 81.00
2 0.74 7.00 88.00
3 0.40 3.00  
4 0.24 2. 00  
5 0.17 1.00  
6 0.15 1.00  
7 0.12 0.01  
8 0.10 0.01  
9 0.05 0.01  
10 0.02 0.01  
11 0.01 0.01