Accuracy of Self-Reported Screening Mammography Use: Examining Recall among Female Relatives from the Ontario Site of the Breast Cancer Family Registry
Table 5
Associations between screening mammography date recall and sociodemographic, health behavior, and cancer screening characteristics at baseline for female relatives of the Ontario site of the Breast Cancer Family Registry ().
Characteristic
Screening mammography recall [ (%)]
Adjusted OR (95% CI)‡
Accurate
Overestimated
Underestimated
Overestimated versus Accurate
Underestimated versus Accurate
Familial breast cancer risk
High
118 (37.0)
25 (26.3)
31 (30.4)
1.00
1.00
Moderate
85 (26.6)
25 (26.3)
23 (22.5)
1.45 (0.77–2.72)
1.17 (0.60–2.27)
Low
116 (36.4)
45 (47.4)
48 (47.1)
1.77 (1.00–3.13)
1.28 (0.73–3.26)
Age at interview
≥50
224 (70.2)
65 (68.4)
58 (56.9)
1.00
1.00
40–49
78 (24.5)
26 (27.4)
36 (35.3)
0.96 (0.56–1.63)
1.26 (0.70–2.29)
<40
17 (5.3)
4 (4.2)
8 (7.8)
0.49 (0.14–1.70)
0.74 (0.24–2.27)
Education
≥Bachelor’s degree
81 (25.4)
22 (23.2)
27 (26.5)
1.00
1.00
Some college, university or vocational/technical school
129 (40.4)
39 (41.0)
39 (38.2)
1.16 (0.62–2.16)
0.93 (0.48–1.80)
≤High school
109 (34.2)
34 (35.8)
36 (35.3)
1.16 (0.62–2.17)
1.02 (0.53–1.97)
Marital status
Married/common law
264 (82.8)
77 (81.0)
84 (82.3)
1.00
1.00
Single
55 (17.2)
18 (19.0)
18 (17.7)
1.11 (0.60–2.06)
1.33 (0.66–2.65)
Visits to health professional
≤1 time per year
92 (29.1)
40 (43.5)
38 (37.6)
1.97 (1.15–3.39)*
1.42 (0.79–2.57)
2-3 times per year
145 (45.9)
32 (34.8)
41 (40.6)
1.00
1.00
≥4 times per year
79 (25.0)
20 (21.7)
22 (21.8)
1.18 (0.62–2.25)
1.01 (0.53–1.96)
Clinical breast examination
Yes
313 (98.1)
90 (94.7)
99 (97.1)
1.00
1.00
No
6 (1.9)
5 (5.3)
3 (2.9)
3.10 (0.91–10.50)
1.90 (0.39–9.26)
BRCA1/2 genetic test
Yes
58 (19.5)
13 (14.1)
19 (20.7)
1.00
1.00
No
239 (80.5)
79 (85.9)
73 (79.3)
1.24 (0.62–2.48)
0.78 (0.39–1.57)
Perceived risk of breast cancer
Above average
192 (64.0)
44 (47.8)
64 (65.3)
1.00
1.00
Below/same as average
108 (36.0)
48 (52.2)
34 (34.7)
1.90 (1.15–3.15)*
1.05 (0.58–1.88)
Time since last mammogram
0–12 months
271 (84.9)
73 (76.8)
51 (50.0)
1.00
1.00
>12 months
48 (15.1)
22 (23.2)
51 (50.0)
1.67 (0.94–2.99)
5.22 (3.10–8.80)**
Mammographic finding
Normal/benign
268 (84.0)
86 (90.5)
79 (77.4)
1.00
1.00
Abnormal/incomplete
51 (16.0)
9 (9.5)
23 (22.6)
0.61 (0.28–1.33)
1.80 (0.97–3.34)
P < 0.05. P < 0.0001. Women who reported the month and year of their last screening mammogram. Models adjusted for familial breast cancer risk, age at interview, number of days since last mammogram, and corrected for familial clustering.
