Table 4 Results of factor analysis of the HDQ (n = 130)
From: Headache Disability Questionnaire: cross-cultural adaptation and validation of the Turkish version
Item | Factor 1 | Factor 2 |
|---|---|---|
Q1 | 0.766 | |
Q2 | 0.709 | |
Q5 | 0.835 | |
Q7 | 0.713 | |
Q9 | 0.729 | |
Q3 | 0.835 | |
Q4 | 0.603 | |
Q6 | 0.845 | |
Q8 | 0.836 | |
Percent variance (%) | 34.257 | 63.924 |