Skip to main content

Table 6 Convergent validity: correlations between HIT-6 and MSQ scores

From: Validation of the Headache Impact Test (HIT-6) in patients with chronic migraine

Time point Item/Scale Study 1 Study 2
Correlationa N Correlationa N
Baseline Total −0.77 (671) −0.78 (703)
Emotional function −0.62 (671) −0.59 (703)
Role function - preventive −0.67 (672) −0.66 (704)
Role function - restrictive −0.75 (672) −0.78 (704)
Week 24 Total −0.85 (576) −0.83 (637)
Emotional function −0.78 (576) −0.74 (637)
Role function - preventive −0.74 (579) −0.74 (637)
Role function - restrictive −0.86 (580) −0.84 (637)
  1. aPearson product moment correlations.
  2. HIT-6 = Headache Impact Test-6; MSQ = Migraine-Specific Questionnaire.