Table 1.
Search Terms
| “Headache Impact Test” |
| HIT‐6 |
| HIT6 |
| HIT‐6 “Chronic Migraine” |
| HIT‐6 “Content Validity” |
| HIT‐6 Validation |
| HIT‐6 Validity |
| HIT‐6 Reliability |
| HIT‐6 “Fit for Purpose” |
| HIT‐6 MID |
| HIT‐6 MCID |
| HIT‐6 “Important Difference” |
| HIT‐6 “Responder Definition” |
| HIT‐6 Responsiveness |
| HIT‐6 “Sensitivity to Change” |
| HIT‐6 “Focus Groups” |
| HIT‐6 Interviews |
| HIT‐6 “Cognitive Interviews” |
| “Chronic Migraine” PRO |
| “Chronic Migraine” “Patient Interview” |
| “Chronic Migraine” “Focus Group” |
| “Migraine Physical Function Impact Diary” |
| “Migraine Physical Function Impact Diary” “Content Validity” |
| MPFID “Content Validity” |
| MPFID “Focus Groups” |
| MPFID Interviews |
| MPFID “Cognitive Interviews” |
| “Migraine‐Specific Quality‐of‐Life Questionnaire” |
| “Migraine‐Specific Quality‐of‐Life Questionnaire” “Content Validity” |
| MSQ “Content Validity” |
| MSQ “Focus Groups” |
| MSQ Interviews |
| MSQ “Cognitive Interviews” |
| “Migraine Disability Assessment” |
| “Migraine Disability Assessment” “Content Validity” |
| MIDAS “Content Validity” |
| MIDAS “Focus Groups” |
| MIDAS Interviews |
| MIDAS “Cognitive Interviews” |
| “Migraine Treatment Optimization Questionnaire” |
| “Migraine Treatment Optimization Questionnaire” “Content Validity” |
| MTOQ “Content Validity” |
| MTOQ “Focus Groups” |
| MTOQ Interviews |
| MTOQ “Cognitive Interviews” |