Response rate, n (%)Age in years, mean (SD)Sex, % maleEthnicity, % white
GPs105/301 (34.8)47 (7.6)5297
Nurses107/304 (35.2)47.6 (7.0)4100
Admin staff143/305 (46.8)46.3 (9.0)7100
Patients227/600 (37.8)52.3 (16.7)3298