Table 2.
Characteristics of participating primary-care practices
| Practice characteristics | Germany | Turkey | Latvia | Portugal | Total | |
|---|---|---|---|---|---|---|
| Practices | n | 4 | 4 | 5 | 15 | 28 |
| Staff | Doctors (GPs), n | 9 | 4 | 5 | 93 | 111 |
| Medical assistants, n | 15 | 0 | 3 | 0 | 18 | |
| Nurses, n | 0 | 4 | 2 | 68 | 74 | |
| Managers, n | 6 | 4 | 5 | 12 | 27 | |
| Secretaries / administrators, n | 12 | 4 | 5 | 49 | 70 | |
| Patients | n | 122 | 125 | 156 | 90 | 493 |
| Female (%) | 78 | 75 | 72 | 81 | 77 | |
| Mean age (yr ± SD) | 44.5 ± 15.7 | 39.7 ± 14.2 | 39.9 ± 16.5 | 45.8 ± 17.8 | ||
| Mean duration of headache (yr ± SD) | 17.8 ± 14.5 | 6.9 ± 7.5 | 2.3 ± 4.1 | 1.9 ± 4.6 | ||
| Patients’ records | n | 150 | 125 | 250 | 150 | 675 |
| Diagnoses | Migraine unspecified (G43.9, G43.8), n | 54 | 47 | 28 | 24 | 153 |
| Episodic migraine without aura (G43.0), n | 12 | 0 | 1 | 0 | 13 | |
| Episodic migraine with aura (G43.1), n | 6 | 1 | 4 | 0 | 11 | |
| Chronic migraine (G43.3), n | 2 | 7 | 0 | 0 | 9 | |
| Tension type headache (G44.2), n | 3 | 47 | 23 | 20 | 93 | |
| Cluster headache (G44.0), n | 4 | 1 | 3 | 0 | 8 | |
| Other primary or secondary headache disorders (summarized under G44.8), n | 1 | 6 | 52 | 0 | 59 | |
| Medication-overuse headache (G44.4), n | 0 | 0 | 0 | 0 | 0 | |
| Mononeuritis / Occipital neuralgia (G58.8) | 9 | 0 | 0 | 0 | 9 | |
| Headache unspecified (R51), n | 30 | 7 | 35 | 27 | 99 | |
| Others, n | 1 | 9 | 10 | 19 | 39 | |