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Table 3 Rotated component matrix, eigenvalue and cumulative variance contribution rate

From: Brief adult respiratory system health status scale-community version (BARSHSS-CV): developing and evaluating the reliability and validity

 

Items

Factor 2

Factor 3

Factor 1

 

Q1

_

_

0.832

 

Q2

_

_

0.849

 

Q3

_

_

0.755

 

Q4

_

_

0.637

 

Q5

0.729

_

_

 

Q6

0.741

_

_

 

Q7

0.715

_

_

 

Q8

0.639

_

_

 

Q9

0.729

_

_

 

Q10

0.692

_

_

 

Q11

0.723

_

_

 

Q12

0.761

_

_

 

Q13

0.729

_

_

 

Q14

_

0.642

_

 

Q15

_

0.587

_

 

Q16

_

0.750

_

 

Q17

_

0.708

_

 

Q18

_

0.707

_

 

Q19

_

0.740

_

 

Q20

_

0.641

_

Eigenvalue

 

5.729

4.503

3.202

Variance contribution rate (%)

 

28.643

22.515

16.011

Cumulative variance contribution rate (%)

 

28.643

51.158

67.168

Factor naming

 

Severe respiratory system symptom

Susceptibility factor

Mild respiratory system symptom

  1. Factor 1, mild respiratory system symptom; Factor 2, severe system respiratory symptom; Factor 3, susceptibility factor. This symbol ‘_‘indicated that values were less than 0.500. Suppress absolute values less than 0.500