Accuracy of Self-Reported Screening Mammography Use: Examining Recall among Female Relatives from the Ontario Site of the Breast Cancer Family Registry
Table 3
Accuracy of screening mammography date recall among female relatives from the Ontario site of the Breast Cancer Family Registry.
Screening mammography date recall
Interview
Baseline
Year 1
Year 2
Total recall
Self-reported month and year, (%)
516 (73.8)
416 (88.7)
424 (93.0)
Accurately recalled imaging date
319 (61.8)
328 (78.9)
341 (80.4)
Overestimated imaging date
95 (18.4)
43 (10.3)
52 (12.3)
Underestimated imaging date
102 (19.8)
45 (10.8)
31 (7.3)
Months difference (reported versus imaging), mean (SD)
Overestimated imaging date
3.54 (5.4)
2.07 (2.1)
1.56 (1.6)
Underestimated imaging date
5.48 (7.3)*
2.04 (1.9)
2.35 (2.5)
Partial recall
Self-reported year only, (%)
136 (19.5)
28 (6.0)
25 (5.5)
Accurately recalled imaging year
81 (59.6)
22 (78.6)
24 (96.0)
Overestimated imaging year
24 (17.6)
2 (7.1)
1 (4.0)
Underestimated imaging year
31 (22.8)
4 (14.3)
0 (0.0)
Self-reported age only, (%)
33 (4.7)
24 (5.1)
5 (1.1)
Accurately reported imaging age
20 (60.6)
20 (83.3)
2 (40.0)
Overestimated imaging age
5 (15.2)
0 (0.0)
1 (20.0)
Telescoped imaging age
8 (24.2)
4 (16.7)
2 (40.0)
No recall
Could not recall year or age, (%)
14 (2.0)
1 (0.2)
2 (0.4)
P = 0.036 for women who underestimated versus overestimated the imaging mammogram date.
