Table 4.

Number of participants (and percentages and 95% CIs) endorsing (1) each number of possible terms and (2) each specific term as making sense to them as a label

Screening information	Total	Number of terms endorsed as making sense as a way of describing the text: n, %, 95% CIs
		0	1	2	3	4	5	6	7
Breast	n (%)	429 (43.5)	76 (7.7)	86 (8.7)	74 (7.5)	67 (6.8)	58 (5.9)	42 (4.3)	155 (15.7)
n=987	95% CI	40.4 to 46.6	6.2 to 9.5	7.1 to 10.6	6.0 to 9.3	5.3 to 8.5	4.5 to 7.5	3.1 to 5.7	13.5 to 18.1
Prostate	n (%)	408 (45.3)	59 (6.5)	73 (8.1)	68 (7.5)	66 (7.3)	48 (5.3)	37 (4.1)	142 (15.8)
n=901	95% CI	42.1 to 48.5	5.1 to 8.3	6.5 to 10.0	6.0 to 9.4	5.8 to 9.2	4.0 to 6.9	3.0 to 5.6	13.5 to 18.2
Total	n (%)	837 (44.3)	135 (7.2)	159 (8.4)	142 (7.5)	133 (7.0)	106 (5.6)	79 (4.2)	297 (15.7)
n=1888	95% CI	42.1 to 46.6	6.1 to 8.4	7.2 to 9.7	6.4 to 8.8	6.0 to 8.3	4.6 to 6.7	3.4 to 5.2	14.1 to 17.4

Screening information	Total	‘Which terms make sense as a way of describing this risk of a screening test?’: n, %, 95% CIs
		Overdiagnosis	Overdetection	Unnecessary diagnosis	Overtreatment	Unnecessary treatment	False positive diagnosis	False positive test results
Breast	n (%)	334 (33.8)	275 (27.9)	349 (35.4)	336 (34.0)	409 (41.4)	324 (32.8)	338 (34.2)
n=987	95% CI	30.9 to 36.8	25.1 to 30.7	32.4 to 38.4	31.1 to 37.0	38.4 to 44.5	30.0 to 35.8	31.3 to 37.2
Prostate	n (%)	291 (32.3)	247 (27.4)	307 (34.1)	280 (31.1)	354 (39.3)	320 (35.5)	330 (36.6)
n=901	95% CI	29.3 to 35.4	24.6 to 30.4	31.0 to 37.2	28.1 to 34.2	36.1 to 42.5	32.4 to 38.7	33.5 to 39.8
Total	n (%)	625 (33.1)	522 (27.6)	656 (34.7)	616 (32.6)	763 (40.4)	644 (34.1)	668 (35.4)
n=1888	95% CI	31.0 to 35.3	25.7 to 29.7	32.6 to 36.9	30.5 to 34.8	38.2 to 42.6	32.0 to 36.3	33.2 to 37.6