Table 5.

Headache variables measured by all apps (n=7) meeting 4 or more app criteria.

Headache variables measured	App
	iHeadache	Headache Diary (ecoHeadache)	Headache Diary Proa	Headache Diary Prob	Migraine Diary	PainCal	A Migraine Diary for You
Headache severity/intensity	✓	✓	✓	✓	✓	✓	✓
Headache triggers	✓	✓	✓	✓	✓	✓	✓
Medication/treatment taken for headache	✓	✓	✓	✓	✓	✓	✓
Associated headache symptoms	✓	✓	✓	✓	✓	✓	✓
Headache frequency	✓	✓	✓	✓	✓	✓	✓
Headache-related disability	✓	✓	✓	✓	✓		✓
Headache duration	✓	✓	✓	✓	✓	✓	✓
Time of headache onset	✓	✓	✓	✓	✓	✓	✓
Headache pain location		✓	✓	✓	✓	✓	✓
Headache pain quality		✓		✓		✓	✓
Nonpharmacological treatment and coping strategies		✓		✓	✓		✓
Type of day (eg, work, school)		✓
Type of headache		✓	✓
Weather when headache occurred							✓
Activity when headache occurred							✓
Geographical location when headache occurred				✓

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^bDeveloped by appcellent GmbH.