Table 1.

Sample characteristics and proportion of each demographic group classified as screening non-participants.

	All (n = 3111)		Proportion of screening non-participants (n = 793)		OR (95% CI) for being a non-participant versus a participant
	n	%	n	%
Age
25–34	879	28	274	31	1.00
35–44	825	27	218	27	0.79 (0.65–0.97)
45–54	814	26	180	22	0.62 (0.50–0.78)
55–64	593	19	121	20	0.57 (0.44–0.72)
Social grade
AB	860	28	155	18	1.00
C1	894	29	220	25	1.49 (1.15–1.92)
C2	642	21	155	24	1.45 (1.10–1.90)
D	440	14	151	34	2.38 (1.82–3.13)
E	275	8.9	112	41	3.13 (2.34–4.17)
Working status
Working full-time	1233	40	280	23	1.00
Working part-time	909	29	207	23	1.00 (0.8.–1.24)
Not working	969	31	306	32	1.57 (1.30–1.89)
Marital status
Currently married	2134	69	499	23	1.00
Previously married	370	11.9	97	23	1.17 (0.90–1.51)
Single	608	20	197	32	1.57 (1.29–1.91)
Children under 5 years
No	2446	79	600	25	1.00
Yes	665	21	193	29	1.26 (1.04–1.52)
Ethnicity
White British/Irish	2281	74	487	21	1.00
Any other white	354	11.4	96	27	1.37 (1.06–1.77)
South Asian	230	7.4	107	46	3.18 (2.42–4.18)
Black	148	4.8	65	44	2.88 (2.04–4.07)
Mixed/other ethnicity	89	2.9	33	37	2.15 (1.35–3.41)
First language
English	2563	83	555	22	1.00
Other	523	17	214	41	2.51 (2.07–3.06)

OR = Odds Ratio, CI = Confidence interval.

ORs/CIs in bold indicate significance at p < .001.