Table 2 Symptomatic medication use (frequency) overall and by headache type (N = 2,344)

All headache

1,726

0.6 ± 1.1

1.0 ± 2.0

2.6 ± 3.2

Migraine

900

0.7 ± 1.1

1.1 ± 1.9

2.8 ± 2.9

Tension-type headache

477

0.5 ± 0.9

0.7 ± 1.5

2.0 ± 2.3

All headache on ≥ 15 days/month

29

1.6 ± 2.0

6.2 ± 5.7

16.1 ± 2.6

Undifferentiated headache

298

0.4 ± 0.9

0.6 ± 1.3

1.8 ± 2.3