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Table 6 Correlation between mMIDAS scores, QoL variables and headache characteristics

From: Validity and reliability of the Portuguese version of the modified Migraine Disability Assessment

  Variable Pearson r Spearman rho
Headaches # days with headache 0.836 (p < 0.001) 0.792 (p < 0.001)
Average intensity 0.346 (p = o.001) 0.300 (p = 0.004)
HADS Anxiety 0.181 (p = 0.084) 0.160 (p = 0.128)
Depression 0.507 (p < 0.001) 0.339 (p = 0.001)
EQ-5D-5L Mobility 0.183 (p = 0.080) 0.104 (p = 0.326)
Self-care 0.306 (p = 0.003) 0.157 (p = 0.136)
Usual activities 0.648 (p < 0.001) 0.512 (p < 0.001)
Pain/discomfort 0.507 (p < 0.001) 0.408 (p < 0.001)
Anxiety/depression 0.537 (p < 0.001) 0.422 (p < 0.001)
Index −0.675 (p < 0.001) −0.474 (p < 0.001)
VAS −0.457 (p < 0.001) −0.442 (p < 0.001)