Table 1. Descriptive statistics for the cross-sectional samples.

	Breast Cancer Screening		Cervical Screening
	N	%	N	%
Total	143 461		141 753
Age group
<45 years	-	-	19 391	13.7
45-49 years	-	-	25 431	17.9
50-54 years	30 942	21.6	28 753	20.3
55-59 years	35 614	24.8	30 991	21.9
60-64 years	45 485	31.7	37 187	26.2
65+ years	31 420	21.9	-	-
Ethnicity
White	138 932	96.8	135 326	95.5
Mixed or Other	1480	1.0	2121	1.5
South Asian	1275	0.9	1744	1.2
Black	1453	1.0	2115	1.5
Chinese	321	0.2	447	0.3
Region
Scotland	10 690	7.5	11 034	7.8
England	126 726	88.3	124 438	87.8
Wales	6045	4.2	6281	4.4
Education level
College or university degree	43 504	30.3	51 415	36.3
A levels or equivalent	16 345	11.4	18 886	13.3
GCSEs or equivalent	33 917	23.6	33 641	23.7
CSEs or equivalent	5933	4.1	8361	5.9
NVQ or equivalent	6517	4.5	6120	4.3
Other professional	9776	6.8	7386	5.2
qualifications
None of the above	27 469	19.1	15 944	11.2
Long-standing illness
No	98 686	68.8	104 122	73.5
Yes	44 775	31.2	37 631	26.5
Smoking
Never	83 432	58.2	85 109	60.0
Previous	48 908	34.1	43 654	30.8
Current	11 121	7.8	12 990	9.2
Alcohol consumption
Daily or almost daily	25 789	18.0	23 486	16.6
Three or four times a week	30 089	21.0	31 815	22.4
Once or twice a week	36 137	25.2	38 025	26.8
One to three times a month	17 558	12.2	18 768	13.2
Special occasions only	20 698	14.4	18 628	13.1
Never	13 190	9.2	11 031	7.8