Table 1. Characteristics of the responding GPs and total sample.

Background characteristic	Responders (n = 160), % [95% CI]	Total sample (n = 800), % [95% CI]
Age ≥50 years	38.1 [31.0 to 45.8]	46.3 [42.8 to 49.7]
Female	59.4 [51.6 to 66.7]	51.8 [48.3 to 55.2]
Working area a
Strongly urban b	41.1 [33.8 to 48.9]	52.3 [48.8 to 55.7]
Moderately urban c	26.6 [20.3 to 34.0]	17.6 [15.1 to 20.4]
Little to non-urban	32.3 [25.5 to 39.9]	30.1 [27.0 to 33.4]
Full-time equivalent (FTE) d
≥0.8 FTE	53.1 [45.4 to 60.7]	50.0 [46.4 to 53.6]

^a n = 158 for responders. 

^b P<0.05. 

^c P<0.01. 

^d n = 732 for total sample.