Fig. 3
From: Headache Disability Questionnaire: cross-cultural adaptation and validation of the Turkish version
The diagram illustrates the two-factor structure of the Turkish version of the HDQ (n = 130)
Fig. 3 | BMC Neurology
From: Headache Disability Questionnaire: cross-cultural adaptation and validation of the Turkish version
The diagram illustrates the two-factor structure of the Turkish version of the HDQ (n = 130)