Table 1 Sample of participating GPs (N = 16)

   female

n = 7

   male

n = 9

Age

mean = 49,3 years

min. 37 years, max. 66 years

Number of years in practice

8 GPs < 10 years

8 GPs > 10 years

Group practice

n = 9

Solo practice

n = 7

Rural area (< 5000 habitants)

n = 4

Medium-sized town (5000-20000 habitants)

n = 4

Town (> 20000 habitants)

n = 8