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Table 3 Factor loadings of the pattern matrix of a principal axis factor extraction

From: Validation of subscales of the Severe Asthma Questionnaire (SAQ) using exploratory factor analysis (EFA)

 

Factor 1

Factor 2

Factor 3

My Life

My Mind

My Body

1. My social life

0.88

− 0.05

0.10

2. My personal life

0.85

0.10

− 0.10

3.My leisure activities

0.83

− 0.07

0.13

4. My jobs around the house

0.97

− 0.10

0.02

5. My work or education

0.76

0.05

0.07

6. My family life—how it affects me

0.84

0.15

− 0.07

7. My family life—how it affects others

0.66

0.28

− 0.03

8. Depression

0.08

0.86

0.03

9. Irritable

0.11

0.73

0.10

10. Anxiety in general

− 0.06

0.94

0.05

11. Worry that asthma may get worse

0.15

0.42

0.27

12. Worry about long term side effects of medicines

0.04

0.18

0.52

13. Getting tired

0.23

0.115

0.56

14. Problems at night

0.47

− 0.01

0.41

15. The way I look

− 0.05

− 0.00

0.89

16. Problems with food

0.10

0.10

0.64