| Characteristics | n (%)a |
|---|---|
| Sex , male | 8 (50) |
| Median age , years (range) | 52 (38–61) |
| Median GP experience , years (range) | 19 (5–35) |
| Competent in LNG-IUS insertionYesNo |
15 (94)1 (6) |
| Median patients per GP , n b (range) | 2170 (1600–3650) |
| Type of general practiceSolo practiceDuo practiceGroup practice |
10 (63)c3 (19)3 (19) |
| Location of general practiceUrbanRuralMedian distance to nearest participating hospital, km (range) |
9 (56)7 (44)5.9 (0.9–25.4) |
| R ecruited patients for MIRA trial , n 0≥1 |
10 (63)6 (38) |
| Other characteristicsGP educatorDoctorate degreePharmacy owner combined with GP |
4 (25)3 (19)1 (6) |
aUnless otherwise indicated. bNumber of patients registered per full-time working GP. The standard number of patients registered in a general practice in the Netherlands was 2168 patients in 2014.25 cIncluding eight GPs who owned a private practice but shared a building with other GPs. LNG-IUS = levonorgestrel-releasing intrauterine system.