Table 1

Responses to the survey questions 1–7 and 10

Question	Total	Options	Responses	%
1. Are you clear about which patients need to be referred to a clinical genetics service?	382	Yes	240	63
		No	62	16
		Sometimes	74	2
		Other	6
2. Which MDT member has responsibility for managing patients with CRC with an elevated inherited risk?	380	Gastroenterologist	85	22
		Colorectal surgeon	144	38
		Oncologist	20	5
		Clinical geneticist	62	16
		Other	69	18
3. Do you have a family history of bowel cancer clinic?	380	Yes	159	42
3. Do you have a family history of bowel cancer clinic?	380	No	221	58
4. Who leads this clinic?	156	Gastroenterologist	24	15
		Colorectal surgeon	28	18
		Nurse specialist	18	12
		Clinical geneticist	84	54
		Other	2	1
5. Do you keep a screening registry for high risk patients?	312	Yes	210	67
		No	42	14
		Unaware	60	19
6. Do you arrange tumour testing for Lynch syndrome in young patients (aged <50 years)?	378	Always	122	32
		Usually	56	15
		Rarely	52	14
		Never	72	19
		Unaware	76	20
7. Do you feel that you have an adequate clinical genetics service?	380	Yes	262	69
		No	92	24
		Other	26	7
10. Are you a …?	382	Gastroenterologist	163	43
		Colorectal surgeon	144	38
		Oncologist	58	15
		Other	17	4

Some questions are paraphrased for presentation reasons, please refer to the ‘design and setting’ section for the full versions.
CRC, colorectal cancer; MDT, multidisciplinary team.