Table 3 Secondary outcome parameters, non-controlled pre-post part of the study

Headache days/m

11.7 ± 6.5

9.8 ± 7.0

n = 49, p = 0.003 Wilcoxon-paired Test (WPT)

Acute medication days/m

6.3 ± 3.6

5.0 ± 3.7

n = 47, p = 0,004, (WPT)

HIT-6 score (36–78)

64.3 ± 4.2

61.4 ± 5.9

n = 47, p < 0.001 (WPT)

Self-efficacy

(FKMS-SF) score (6–42)

21.7 ± 7.7

26.2 ± 6.0

n = 46, p < 0.001, (WPT)

Headache intensity

(1–3)

2.0 ± 0.5

2.0 ± 0.5

n = 49, p = 0.376 (WPT)