Table 3

Correctness of European women’s estimates of their age-specific risks of breast, ovarian, cervical and endometrial cancer before and after reading the leaflet

Correctness of women’s estimated age-specific risk of developing cancer within next 10 yearsPercentage of responders (95% CI)Sweden
All countriesCzech RepublicGermanyUKItaly
N=1675n=356n=335n=323n=338n=323
n core*=984 n core=221 n core=191 n core=183 n core=197 n core=192
BREAST CANCER
Before intervention
 Correct response†23.3 (21.3 to 25.4)20.8 (16.7 to 25.4)29.3 (24.4 to 34.4)18.1 (14.8 to 23.6)26.9 (22.3 to 32.0)20.7 (16.5 to 25.6)
 Correct/core age group* 22.2 (19.6 to 24.9)20.4 (15.3 to 26.3)23.6 (17.7 to 30.2)22.4 (16.6 to 29.1)25.4 (19.5 to 32.1)19.3 (13.9 to 25.6)
 Overestimation‡59.2 (56.8 to 61.6)59.0 (53.7 to 64.1)46.6 (41.1 to 52.1)71.2 (65.9 to 76.1)54.1 (48.7 to 59.5)65.9 (60.5 to 71.1)
After intervention
 Correct response54.0 (51.6 to 56.4)47.5 (42.2 to 52.8)57.9 (52.4 to 63.3)55.7 (50.1 to 61.2)49.4 (44.0 to 54.9)60.4 (54.8 to 65.7)
 Overestimation20.5 (18.6 to 22.5)22.5 (18.2 to 27.2)14.6 (11.0 to 18.9)19.5 (15.3 to 24.3)22.2 (17.9 to 27.0)23.5 (19.0 to 28.5)
OVARIAN CANCER
Before intervention
 Correct response15.6 (13.9 to 17.4)13.2 (9.9 to 17.2)23.6 (19.1 to 28.5)11.1 (7.9 to 15.1)13.0 (9.6 to 17.1)17.0 (13.1 to 21.6)
 Overestimation81.6 (79.7 to 83.4)83.7 (79.5 to 87.4)70.7 (65.6 to 75.6)88.2 (84.2 to 91.5)84.3 (80.0 to 88.0)81.1 (76.4 to 85.2)
After intervention
 Correct response52.7 (50.3 to 55.1)44.9 (39.7 to 50.3)60.9 (55.4 to 66.2)53.3 (48.3 to 59.2)44.1 (38.7 to 49.6)61.3 (55.8 to 66.6)
 Overestimation43.5 (41.1 to 45.9)51.1 (45.8 to 56.4)33.4 (28.4 to 38.8)42.7 (37.4 to 48.0)52.4 (46.9 to 57.8)37.2 (31.9 to 42.7)
CERVICAL CANCER
Before intervention
 Correct response6.8 (5.6 to 8.1)6.2 (3.9 to 9.2)11.9 (8.7 to 15.9)3.4 (1.7 to 6.0)5.6 (3.4 to 8.6)6.8 (4.3 to 10.1)
 Overestimation91.8 (90.3 to 93.0)92.1 (88.8 to 94.7)84.8 (80.5 to 88.4)96.6 (94.0 to 98.3)92.6 (89.3 to 95.2)92.9 (89.5 to 95.4)
After intervention
 Correct response33.8 (31.8 to 36.1)27.8 (23.2 to 32.8)40.6 (35.3 to 46.1)35.6 (30.4 to 41.1)26.9 (22.3 to 32.0)38.7 (33.4 to 44.2)
 Overestimation65.6 (63.2 to 67.8)71.3 (66.3 to 76.0)57.6 (52.1 to 63.0)64.4 (58.9 to 69.6)72.5 (67.4 to 77.2)61.3 (55.8 to 66.6)
ENDOMETRIAL CANCER
Before intervention
 Correct response12.7 (11.1 to 14.3)10.1 (7.2 to 13.7)19.4 (15.3 to 24.1)9.6 (6.6 to 13.3)10.7 (7.6 to 14.4)13.6 (10.1 to 17.9)
 Overestimation82.3 (80.4 to 84.1)84.8 (80.7 to 88.4)73.7 (68.7 to 78.4)85.1 (80.8 to 88.8)84.6 (80.3 to 88.3)83.0 (78.4 to 86.9)
After intervention
 Correct response49.4 (47.0 to 51.8)43.3 (38.0 to 48.6)61.2 (55.7 to 66.4)52.6 (47.0 to 58.2)35.5 (30.4 to 40.9)55.1 (49.5 to 60.6)
 Overestimation42.8 (40.4 to 45.2)50.0 (44.7 to 55.3)30.4 (25.6 to 35.7)38.1 (32.8 to 43.6)56.8 (51.3 to 62.2)37.8 (32.5 to 43.3)
  • Presented as the overall proportion of correct responses and overall proportion of overestimation per country.

  • *n core =women in the core age group (50–69 years) eligible for mammography screening in the five European countries.

  • †Correct response of age-specific cancer risk=50% margin of error of the actual age-specific cancer risk based on the population-based cancer registration dataset of the Robert Koch institute (www.krebsdaten.de).

  • ‡Overestimation of age-specific cancer risk=>50% margin of error of the actual age-specific cancer risk based on the population-based cancer registration dataset of the Robert Koch institute (www.krebsdaten.de).