Fig. 1From: Psychometric properties of the Danish versions of Headache-Specific Locus of Control Scale and Headache Management Self-Efficacy ScaleSF-36 scores (mean) for headache patients (HP) (n = 135) and a Danish population sample (PS) (n = 4,080) [30]. PF physical function, RP role physical, BP bodily pain, GH general health, VT vitality, SF social functioning, RE role emotional, MH mental health; *P < 0.005Back to article page