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Table 4 Mapping of concepts covered in the migraine-specific PRO instruments

From: Measuring the impact of migraine for evaluating outcomes of preventive treatments for migraine headaches

    Concepts covered
  Number of items Recall period Everyday activity Impact on movement Impact on social interactions Emotional response
Migraine Disability Assessment questionnaire (MIDAS) 5 3 months On how many days did you miss work or school because of your headaches?    
    How many days was your productivity at work or school reduced by half or more because of your headaches?    
    On how many days did you not do household work because of your headaches?    
    How many days was your productivity in household work reduced by half or more because of your headaches?    
Headache Impact Test (HIT-6) 6 4 weeks How often does your headache limit your ability to do usual daily activities (household, work, school, social)? When you have a headache how often do you wish you could lie down?   
    How often have you felt too tired to do work or daily activities because of your headache? How often have you felt too tired to do work or daily activities because of your headache?   
    How often did your headaches limit your ability to concentrate on work or daily activities?    
Migraine Specific Quality of Life Questionnaire (MSQ; version 2.1) 14 4 weeks How often does your headache limit your ability to do usual daily activities (household, work, school, social)? How often have migraines left you too tired to do work or daily activities?   
    How often have you felt too tired to do work or daily activities because of your headache? How often have migraines limited the number of days you have felt energetic?   
    How often did your headaches limit your ability to concentrate on work or daily activities?    
    How often does your headache limit your ability to do usual daily activities (household, work, school, social)?