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Table 1 The internal consistency of the questionnaire and its dimensions (Cronbach’s alpha values)

From: The psychometric properties of the Comprehensive Headache-related Quality of life Questionnaire (CHQQ) translated to Serbian

 

Whole study sample

Patients with TTH

Patients with migraine

Total score

0.937

0.930

0.954

Physical dimension

0.915

0.914

0.870

Mental dimension

0.835

0.814

0.896

Social dimension

0.722

0.692

0.888