From: Migraine-related disability and co-morbid depression among migraineurs in Ethiopia: a cross-sectional study
PHQ-9
Mean(SD)
9.2 ± 4.4
Minimal (0–4)
%
12.9
Mild (5–9)
45.7
Moderate(10–14)
27.1
Severe(> = 15)
14.3