Table 4 Mapping of concepts covered in the migraine-specific PRO instruments
| Â | Â | Â | Concepts covered | |||
|---|---|---|---|---|---|---|
| Â | Number of items | Recall period | Everyday activity | Impact on movement | Impact on social interactions | Emotional response |
Migraine Disability Assessment questionnaire (MIDAS) | 5 | 3Â months | On how many days did you miss work or school because of your headaches? | Â | Â | Â |
| Â | Â | Â | How many days was your productivity at work or school reduced by half or more because of your headaches? | Â | Â | Â |
| Â | Â | Â | On how many days did you not do household work because of your headaches? | Â | Â | Â |
| Â | Â | Â | How many days was your productivity in household work reduced by half or more because of your headaches? | Â | Â | Â |
Headache Impact Test (HIT-6) | 6 | 4Â 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? | Â | Â |
| Â | Â | Â | 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? | Â | Â |
| Â | Â | Â | How often did your headaches limit your ability to concentrate on work or daily activities? | Â | Â | Â |
Migraine Specific Quality of Life Questionnaire (MSQ; version 2.1) | 14 | 4Â 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? | Â | Â |
| Â | Â | Â | 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? | Â | Â |
| Â | Â | Â | How often did your headaches limit your ability to concentrate on work or daily activities? | Â | Â | Â |
| Â | Â | Â | How often does your headache limit your ability to do usual daily activities (household, work, school, social)? | Â | Â | Â |