Table 1.

Diagnoses formulated on the basis of telephone interview and after the baseline assessment (T0).

Diagnosis	Telephone interview (N = 199)	T0 (N = 179)*
Migraine without aura	48	161
Migraine with aura	10	6
Tension-type headache	14	10
Cluster headache	9	1
Trigeminal neuralgia	1	0
Aura without migraine	2	0
Unspecified/Other	115	1

^*The group at T0 is smaller as 20 individuals dropped out.